WIC1 CT Powered Time Overcurrent and Earth Current Relay (WIC11PE.)

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Product number: WIC11PE.

Configuration

With blocking funktion (IBLOCK)
  • WIC1 – ANSI 50, 51

The WIC1 is a self/ct powered protection relay. No aux. voltage needed. Designed for harsh environment from -40°C up to +85°C. 20 years maintenance free.

Available Variants of the WIC1

WIC11PE

Self/CT powered Time Overcurrent and Earth Current protection relay, i. e. no aux. voltage needed. Designed for harsh environment from −40°C up to +85°C. 20 years maintenance-free. Settable via PC interface.

WIC11PEW

Self/CT powered Time Overcurrent and Earth Current protection relay with backup protection element, i. e. no aux. voltage needed. Designed for harsh environment from −40°C up to +85°C. 20 years maintenance-free. Settable via PC interface.

WIC12PE

Self/CT powered Time Overcurrent and Earth Current protection relay, i. e. no aux. voltage needed. Designed for harsh environment from −40°C up to +85°C. 20 years maintenance-free. Settable via DIP switches.

WIC12PEW

Self/CT powered Time Overcurrent and Earth Current protection relay with backup protection element. No aux. voltage needed. Designed for harsh environment from −40°C up to +85°C. 20 years maintenance-free. Settable via DIP switches.

WIC13PE

Self/CT powered Time Overcurrent and Earth Current protection relay, i. e. no aux. voltage needed. Designed for harsh environment from −40°C up to +85°C. 20 years maintenance-free. Settable via HEX switches.

WIC14PE

Self/CT powered Time Overcurrent and Earth Current protection relay, i. e. no aux. voltage needed. Designed for harsh environment from −40°C up to +85°C. 20 years maintenance-free.

With 2 PC interfaces, one at right angles to the other. Settable via PC interface, and the user can decide which one of the PC interfaces is positioned best related to his mounting needs.

WIC1 Accessories: Current Transformers

Current Transformer (1 piece) (usable only for WIC1)

Order Code 1

Order Code 2 (*)

16 … 56 A

⌀ = 50 mm

Class = 10P80

WIC1W2AS1

WIC1-CT2-10P (*)

16 … 56 A

⌀ = 50 mm

Class = 5P80

WIC1WE2AS1

WIC1-CT2-5P (*)

32 … 112 A

⌀ = 50 mm

Class = 5P80

WIC1W3AS1

WIC1-CT3 (*)

64 … 224 A

⌀ = 50 mm

Class = 5P80

WIC1W4AS1

WIC1-CT4 (*)

128 … 448 A

⌀ = 50 mm

Class = 5P80

WIC1W5AS1

WIC1-CT5 (*)

256 … 896 A

⌀ = 50 mm

Class = 5P80

WIC1W6AS1

(*) Ask for availability.

General consideration how to select the right CT:

Calculate the nominal current: IN = SNtransformer / (UN ⋅ √3)

Look up the CT in the table above with the current range that fits best to this calculation.

If the table lists two matching CTs then it is advisable to prefer the one that allows for an optimal measurement of the short-circuit current to be expected. The short-circuit current can be measured up to the listed upper value multiplied by 20. For example: For the WIC1W2AS1, the short-circuit current can be measured up to 20⋅56 A = 1120 A. The system can withstand a primary current of 20 kA for 3 seconds, and 25 kA for 1 second.

WIC1 Accessory: Communication Adapter WIC1PC3

Order Code

PC adapter for a USB connection incl. software (usable only for WIC1)

The adapter allows for making settings via PC (only WIC11 and WIC14), and for transmitting settings values and fault values from the WIC1 to the PC.

WIC1PC3

WIC1 Accessory: Watchdog Test Unit WIC1TU

Order Code

Watchdog Test Unit, for a function test of the CPU of a WIC1.

WIC1TU

WIC1+WIB1+WIP1 Accessory: Flag Indicators

Order Code

Flag indicator, for a mechanical trip signaling independent of external (auxiliary) voltages.

WI1SZ4

Flag indicator, for a mechanical trip signaling independent of external (auxiliary) voltages, including a bistable signal contact 230 V AC, 3 A.

WI1SZ5


  • CT/Self-powered – No auxiliary supply voltage needed

  • Designed for harsh environment

  • Compact form factor

  • The WI Line devices are self-powered – The protection relay does not need supply voltages for Ring Main Units (RMUs).

  • The primary application of WI Line devices is Feeder Protection (also as backup) that does not need supply voltage.

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