TRASA3 Knowledge Base

Electrical Component Parameter Reference

An open technical reference for electrical component types, their applications, and selection parameters.

This material is also available in PL and RU.

Device description

Weekly Time Switch

Programmable time switch for controlling a load according to schedules that differ by weekday.

A weekly time switch automatically controls a load according to a schedule repeated over a weekly cycle.

Different ON and OFF times may be assigned to individual weekdays, or days may be combined into groups using the same schedule.

Compared with a simple daily time switch, a weekly device allows separate operating programs for working days, weekends, and other combinations of weekdays.

Digital models may support many events, multiple channels, manual override, automatic daylight-saving-time changeover, clock power reserve, and program copying.

Selection criteria include number of channels, memory capacity, weekday grouping methods, minimum switching interval, and additional calendar functions.

Components in this subcategory

This subcategory includes analogue and electronic weekly time switches and programmable time switches with individual schedules for weekdays.

Available parameters

Weekly Time Switch

202 parameters
General6
Product Series

Commercial or technical designation of a manufacturer's product family sharing a common design and compatible characteristics.

Application

Range of tasks and systems for which the manufacturer recommends the component.

Intended Use

Primary function of the device and its intended use as defined by its design and the manufacturer's documentation.

Installation Location

Permissible installation location of the product: indoors, outdoors, in a technical area, or as part of equipment.

Installation Environment

Environmental conditions under which installation and operation of the product are permitted.

Orientation

Permissible spatial orientation of the component during installation and operation.

Dimensions3
Widthmm

External horizontal dimension of the product between its outermost lateral points.

Heightmm

External vertical dimension of the product from its lowest to its highest point.

Depthmm

External distance between the foremost and rearmost surfaces of the product.

Capacity and Layout7
Maximum Lamp Count

Maximum number of lighting units of the declared reference type and unit power that may be switched by the contactor.

Switching Channel Count

Number of independently controlled switching channels provided by the time switch.

Switching Program Memory Locations

Number of switching events, switching times or program entries that can be stored by the time switch.

Switching Program Count

Number of complete independent switching schedules or program sets that can be stored or selected.

Time Switch External Input Count

Number of dedicated external control inputs available to the time-switch function.

Analog Programming Element Count

Number of physical segments, tappets, pins or equivalent programming elements available on the analogue switching programme.

Maximum Weekday Group Count

Maximum number of reusable or independently configurable weekday groups supported by the product.

Materials and Finish5
Color

Primary visually perceived colour of the product's external surface.

RAL Color

Designation of the product's primary surface colour according to the RAL colour system.

Surface Finish

Type of final surface finish of the product determining its appearance and service properties.

Material

Primary material from which the product is manufactured.

Material Grade

Grade, alloy, class, or technical designation of the product's primary material.

Mounting and Installation5
DIN Rail Type

Profile type of the DIN rail installed in the product or specified for compatible mounting.

Mounting Type

Installation arrangement permitted by the product design, such as wall-mounted, flush-mounted, floor-mounted, or another specified mounting type.

Mounting Method

Method used to mechanically secure the product to a support, surface, or load-bearing structure.

DIN Rail Mounting Supported

Indicates whether the design provides for mounting equipment on a DIN rail.

Direct Device Mounting Supported

Indicates whether equipment may be mounted directly to the mounting surface without an intermediate DIN rail.

Electrical Parameters59
Supply Current Type

Type of electrical current for which the product's main supply circuit is intended.

Rated FrequencyHz

AC frequency assigned to the product for normal operating conditions.

Auxiliary Supply VoltageV

Rated external auxiliary supply voltage required for the product's active functions.

Auxiliary Supply Type

Type of current and source used for the product's auxiliary supply.

Conductor Connection Type

Conductor connection methods supported by the specified terminals or connection elements.

Terminal Tightening TorqueNm

Tightening torque specified by the manufacturer for a screw or bolted terminal connection.

Rated Insulation VoltageV

Voltage with reference to which the product's insulation clearances and dielectric properties are specified.

Rated Impulse Withstand VoltagekV

Peak value of an impulse voltage of specified waveform that the product insulation must withstand without breakdown.

Dielectric Test VoltageV

Test voltage applied to verify the dielectric strength of the product insulation.

Minimum Insulation ResistanceMΩ

Minimum permissible insulation resistance between the specified electrically separated parts.

Overvoltage Category

Category characterizing the expected level of impulse overvoltages at the product's point of use.

Pollution Degree

Degree of pollution of the surrounding microenvironment considered when selecting insulation distances and product characteristics.

Insulation Type

Type of electrical insulation used, considered in terms of its protective function and construction.

Electrical Protection Class

Class of protection against electric shock determined by the product design and protective connection method.

Utilization Category

Manufacturer-declared utilization category defining the load characteristics and switching conditions according to the applicable standard.

Mechanical Endurancecycles

Declared number of mechanical operating cycles that the product can perform without electrical switching load.

Electrical Endurancecycles

Declared number of electrical load-switching cycles under the conditions specified by the manufacturer.

Relay Output Count

Number of independent relay outputs or sets of switching contacts provided by the product.

Relay Output Contact Configuration

Contact configurations provided for the product relay outputs.

Relay Output Functions

Functions permanently assigned or assignable to the product relay outputs.

Relay Contact Maximum Switching VoltageV

Maximum manufacturer-declared voltage that may be switched by the relay-output contacts.

Relay Contact Maximum Switching CurrentA

Maximum manufacturer-declared current that may be switched by the relay-output contacts.

Relay Contact Maximum Switching PowerW

Maximum manufacturer-declared active power that may be switched by the relay-output contacts.

Minimum Conductor Cross-Sectionmm²

Minimum conductor cross-section permitted by the connection system within its general conductor-size range.

Maximum Conductor Cross-Sectionmm²

Maximum conductor cross-section permitted by the connection system within its general conductor-size range.

Minimum Stripping Lengthmm

Minimum conductor stripping length specified by the manufacturer.

Maximum Stripping Lengthmm

Maximum conductor stripping length specified by the manufacturer.

Lighting Load Type

Lighting technologies or lamp-load types for which the switching rating is declared.

Rated Lighting Load PowerW

Manufacturer-declared total lighting-load power at the associated load type and reference voltage.

Lighting Load Reference VoltageV

Operational voltage associated with the stored lighting-load rating.

Rated Lighting Load CurrentA

Manufacturer-declared continuous switching current for the specified lighting load.

Maximum Lighting Inrush CurrentA

Maximum permissible inrush current of the connected lighting equipment, including electronic drivers or ballasts.

Maximum Lighting Inrush Current Ratio

Maximum permissible lighting inrush current expressed as a multiple of the relevant steady-state current.

Lighting Reference Unit PowerW

Power of one lamp, driver or lighting unit associated with a manufacturer-declared maximum quantity rating.

Normally Open Relay Contact Count

Number of normally open switching contact sets provided by the relay.

Normally Closed Relay Contact Count

Number of normally closed switching contact sets provided by the relay.

Changeover Relay Contact Count

Number of changeover contact sets provided by the relay.

Relay Contact Structure

Mechanical structure of an individual switching contact system, for example single, double or bifurcated contact.

Relay Contact Material

Electrical contact material or contact-material system used by the relay switching contacts.

Relay Contact Minimum Switching VoltageV

Minimum manufacturer-declared switching voltage for reliable operation of the relay contact.

Relay Contact Minimum Switching CurrentA

Minimum manufacturer-declared switching current for reliable relay-contact operation.

Relay Contact Limiting Continuous CurrentA

Maximum continuous current permitted through a closed relay contact under the manufacturer-declared conditions.

Relay Contact Maximum Inrush CurrentA

Maximum short-duration inrush current permitted through the relay switching contact.

Relay Contact Maximum AC Switching VoltageV

Maximum AC switching voltage of the relay output contact.

Relay Contact Maximum DC Switching VoltageV

Maximum DC switching voltage of the relay output contact.

Relay Contact Maximum Switching Apparent PowerVA

Maximum manufacturer-declared AC switching capacity of the relay contacts expressed as apparent power.

Relay Contact ResistancemΩ

Manufacturer-declared electrical resistance of a closed relay switching contact under the specified measurement condition.

RTC Backup Timeh

Manufacturer-declared duration for which the real-time clock continues to retain valid time information without normal supply voltage.

Zero-Cross Switching Supported

Indicates that load switching is synchronized with the AC voltage zero crossing to reduce contact stress and switching inrush effects.

Standby Power ConsumptionW

Manufacturer-declared electrical power consumption while the product is energized but not actively switching the controlled load.

Minimum Switching Intervals

Shortest manufacturer-supported programmed ON or OFF interval. Stored in seconds; UI may display minutes or hours.

Switching Time Resolutions

Smallest time increment with which a programmed switching event can be positioned.

Clock Time Base

Physical or electronic timekeeping principle used by a device for clock, timer or cumulative elapsed-time functions.

Clock Accuracys/day

Maximum or manufacturer-declared deviation of the internal timekeeping function per day under stated reference conditions.

Minimum Time Zone Offsetmin

Minimum configurable time-zone offset relative to UTC, expressed in minutes.

Maximum Time Zone Offsetmin

Maximum configurable time-zone offset relative to UTC, expressed in minutes.

Clock Drive Power Reserve Timeh

Duration for which an electromechanical or quartz-controlled clock drive continues to keep time without normal supply voltage.

Backup Energy Storage Type

Technology used by the product as an internal backup energy-storage source for clock, control, buffer, UPS or other stored-energy operation.

Backup Energy Storage Full Charge Timeh

Manufacturer-declared supply time required to reach the specified full backup reserve after a discharged rechargeable storage element.

Protection and Safety9
Halogen-Free

Indicates whether the product material is classified as halogen-free according to the characteristics declared by the manufacturer.

IP Rating

Degree of enclosure protection against access to hazardous parts and ingress of solid objects and water, designated by the IP code.

IK Rating

Class of enclosure resistance to external mechanical impacts designated by the IK code.

Protection Against Direct Contact

Method or level of protection of the user against direct contact with hazardous live parts.

Finger-Safe

Indicates whether the design prevents finger access to hazardous live parts in the intended condition.

Touch-Safe

Indicates whether the design provides protection against accidental contact with hazardous live parts.

Flammability Class

Classification of a material according to its ability to ignite, sustain combustion, and cease burning under a specified test.

Glow-Wire Test Temperature°C

Temperature of the heated wire used when testing the material or product against an ignition source.

Input-to-Output Galvanic Isolation

Indicates that galvanic isolation is provided between the relevant electrical input and output circuits of the product.

Environmental Conditions18
Minimum Operating Temperature°C

Minimum ambient temperature at which normal operation of the product is permitted.

Maximum Operating Temperature°C

Maximum ambient temperature at which normal operation of the product is permitted.

Maximum 24-Hour Average Temperature°C

Maximum permissible average ambient temperature over a consecutive 24-hour period.

Minimum Storage Temperature°C

Minimum ambient temperature permitted during storage of the product while not in operation.

Maximum Storage Temperature°C

Maximum ambient temperature permitted during storage of the product while not in operation.

Minimum Transport Temperature°C

Minimum ambient temperature permitted during transportation of the product.

Maximum Transport Temperature°C

Maximum ambient temperature permitted during transportation of the product.

Temperature Derating Required

Indicates whether permissible electrical or thermal loading must be reduced as temperature changes.

Temperature Derating Start°C

Temperature above which the permissible product load must be reduced.

Temperature Derating Curve Available

Indicates whether the manufacturer has published the relationship between permissible product load and temperature.

Minimum Relative Humidity%

Minimum relative air humidity permitted for the declared operating or test condition.

Maximum Relative Humidity%

Maximum relative air humidity permitted for the declared operating or test condition.

Non-Condensing Humidity

Indicates whether the permissible humidity value applies only to non-condensing conditions.

Maximum Installation Altitudem

Maximum altitude above sea level at which the product may be installed without exceeding the declared conditions.

Altitude Derating Required

Indicates whether the permissible product load must be reduced as installation altitude increases.

Altitude Derating Startm

Altitude above sea level above which the permissible product load must be reduced.

Vibration Resistant

Indicates whether the product's resistance to vibration has been verified under the declared conditions.

Mechanical Shock Resistant

Indicates whether the product's resistance to short-duration mechanical shocks has been verified.

Included Equipment19
Documentation Included

Indicates whether documentation is included in the product's standard supply.

Installation Manual Included

Indicates whether an installation manual is included with the product.

Terminal Diagram Included

Indicates whether a terminal diagram is included with the product.

Local HMI Present

Indicates whether a local human-machine interface (HMI) is provided for monitoring, configuration, or control.

Display Present

Indicates whether the product has an integrated local display.

Display Type

Technology or construction type of the product's integrated display.

Display Backlight

Indicates whether the integrated display has a backlight.

Status LED Count

Number of integrated LEDs used to indicate product status or operating modes.

Real-Time Clock Present

Indicates whether an integrated real-time clock is provided for timekeeping, event time-stamping, or time-based functions.

Status Indicator Present

Indicates whether the product has a local visual or mechanical indicator of operating, fault, or end-of-life status.

Status Indicator Types

Types of local visual or mechanical status indication provided by the product design.

Local Key Count

Number of integrated user keys or buttons available for local navigation, programming or control.

Time Switch External Input Present

Indicates that the time switch provides one or more dedicated external control inputs in addition to its clock program.

Analog Programming Element Type

Physical programming element used to define switching times on an analogue time switch, for example segments, tappets or pins.

Clock Hands Present

Indicates that the local time is indicated by physical clock hands.

Backup Energy Storage Replaceable

Indicates that the backup battery or equivalent energy-storage component is designed to be replaced.

Backup Energy Storage State Indication Supported

Indicates that backup battery or energy-storage condition, level or replacement requirement can be indicated locally or diagnostically.

External Time Synchronization Antenna Supported

Indicates that an external radio or satellite time-reference antenna can be connected to the product.

Display Text Guidance Supported

Indicates that the local display provides text-based menu guidance for programming, configuration or operation.

Special Features38
Manual Override Supported

Indicates whether local manual override is provided with intended priority over automatic, programmed, or electrically commanded operation.

Communication Supported

Indicates whether the product supports digital data exchange with external devices or systems.

Communication Protocols

List of supported digital data communication protocols.

Communication Interfaces

List of supported physical or logical digital communication interfaces.

Remote Configuration Supported

Indicates whether specified product settings can be read or changed remotely through a supported communication interface.

Operating Hours Counter Supported

Indicates whether accumulated product operating time or loaded operating time is counted according to the manufacturer's definition.

Parameter Lock Supported

Indicates whether product settings can be protected against unauthorized modification by means of a specified mechanical, software, or password-based locking mechanism.

Manual Override Positions

Positions or modes available on the local manual override mechanism.

Programming Methods

Methods by which a user application, switching schedule or other programmable product configuration can be created, transferred or modified.

Programming Software Name

Manufacturer product name or family of the programming software used with the device.

Local Programming Supported

Indicates that a user application, switching schedule or programmable configuration can be created or edited directly from the local device interface.

PC Programming Supported

Indicates that the product can be programmed or its switching schedule configured using manufacturer-supported PC software.

Remote Programming Supported

Indicates that a user program, switching schedule or programmable configuration can be transferred or modified through a remote communication connection.

Nonvolatile Program Memory

Indicates that a stored user program, control program or switching schedule is retained without continuous supply voltage.

Program Password Protection Supported

Indicates that access to a stored user program, switching schedule or programmable configuration can be restricted by a password, PIN or equivalent authentication mechanism.

Firmware Updatable

Indicates that device firmware can be updated by a manufacturer-supported procedure.

Memory Card Supported

Indicates that removable memory media can be used by the device for program transfer, storage, logging or firmware functions.

Memory Card Types

Types of removable memory card or manufacturer-specific memory media supported by the product.

Program Transfer via Memory Card Supported

Indicates that a user program or switching schedule can be loaded, copied, stored or transferred using removable memory media.

Time-Switch Functions Supported

Indicates that calendar, daily, weekly or similar real-time-clock-based switching functions can be implemented.

Time Switch Program Types

Real-time-clock or clockwork switching program types supported by the product, such as daily, weekly, calendar or astronomical programs.

Time Switch Program Functions

Switching and scheduling functions supported within the time-switch program.

Independent Channel Programming Supported

Indicates that each switching channel can use its own independently configured schedule.

Factory-Preset Date and Time

Indicates that date and/or time are preset before commissioning.

Programming without Mains Supply Supported

Indicates that the time switch can be viewed or programmed while normal mains or auxiliary supply voltage is absent.

Switching Preselection Supported

Indicates support for temporary manual switching that remains effective until the next programmed switching event.

Automatic Daylight Saving Time Changeover Supported

Indicates automatic daylight-saving-time and standard-time changeover.

Supported Daylight Saving Time Rule Types

Types of daylight-saving-time changeover rules that can be selected or configured.

Time Zone Configurable

Indicates that the local time-zone offset relative to UTC can be configured.

Switching Program Copy Supported

Indicates that stored switching schedules, days or program sets can be copied within the device or supported programming system.

Time Switch External Input Functions

Functions that may be initiated through dedicated external time-switch inputs.

Service Interval Monitoring Supported

Indicates that a maintenance or service interval can be monitored based on calendar time, accumulated operating time or manufacturer-defined service criteria.

Manual Daylight Saving Time Correction Supported

Indicates that the clock mechanism provides a dedicated manual correction or adjustment for daylight-saving-time changes.

External Time Synchronization Supported

Indicates that the internal clock can be synchronized from an external radio, satellite, network or other reference time source.

External Time Synchronization Sources

External reference systems supported for automatic clock synchronization.

Program Access Code Length

Number of digits or characters used by the local program-access PIN or code when such protection is supported.

Weekday Selection Modes

Methods supported for assigning switching events to individual weekdays or groups of weekdays.

Custom Weekday Groups Supported

Indicates that arbitrary groups of weekdays can be created and used when assigning switching schedules.

Standards and Compliance23
Conformity Regions

Regions or markets for which the manufacturer declares regulatory or certification compliance of the product.

Certification and Conformity Marks

Certification, market-approval, or conformity marks applicable to the product.

Primary Product Standard

Primary normative document or standard according to which the manufacturer classifies or assesses the product.

Additional Standards

Additional normative documents and standards declared by the manufacturer as applicable to the product.

Declaration of Conformity Available

Indicates whether an official declaration of conformity is available for the product.

Certificate Available

Indicates whether a certificate relating to the declared certification or conformity of the product is available.

Certificate Number

Identification number of the certificate relating to the product or its certified version.

Certification Body

Name of the organization that issued the certificate or performed the relevant conformity assessment.

Third-Party Tested

Indicates whether the product was tested by an organization independent of the manufacturer.

CE Marked

Indicates whether the CE marking is applied to the product where applicable.

UKCA Marked

Indicates whether the UKCA marking is applied to the product where applicable.

EAC Marked

Indicates whether the EAC marking is applied to the product where applicable.

UL Listed

Indicates whether the product has a declared UL Listed certification or recognition status.

UL Recognized

Indicates whether the product has a declared UL Recognized certification or recognition status.

cULus Marked

Indicates whether the cULus mark is applied to the product where applicable.

CSA Certified

Indicates whether the product has a declared CSA certification or recognition status.

TÜV Certified

Indicates whether the product has a declared TÜV certification or recognition status.

VDE Certified

Indicates whether the product has a declared VDE certification or recognition status.

RoHS Compliant

Indicates whether product compliance with applicable RoHS restrictions on hazardous substances has been declared.

REACH Compliant

Indicates whether the manufacturer declares compliance of the product with applicable REACH Regulation requirements.

WEEE Applicable

Indicates whether the product falls within the scope of WEEE requirements for waste electrical and electronic equipment.

IEC 60730-1 Compliant

Compliance with applicable IEC 60730-1 general requirements for automatic electrical controls.

IEC 60730-2-7 Compliant

Compliance with applicable IEC 60730-2-7 particular requirements for timers and time switches.

Logistics10
Net Weightkg

Mass of the product itself, excluding transport packaging, additional accessories, and external equipment.

Gross Weightkg

Mass of the product together with its individual packaging and the accessories included in it.

Package Widthmm

External horizontal dimension of the product's individual package.

Package Heightmm

External vertical dimension of the product's individual package.

Package Depthmm

External depth dimension of the product's individual package.

Packaging Type

Design type of the product's individual or transport packaging.

Units per Package

Number of individual products contained in one packaging unit at the specified level.

Country of Origin

Country of origin of the goods declared for customs or commercial purposes.

HS Code

Commodity code under the international Harmonized Commodity Description and Coding System.

Combined Nomenclature Code

Commodity code under the Combined Nomenclature of the European Union.