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Circuit breaker trip circuit supervision relay - TCS series

Photo: Trip Circuit Supervision Relay For DIN35 rail 110-220VDC 230VAC TCS421D Ediseja 21 Trip Circuit Supervision Relay For Panel Mount 96x48mm  110-220VDC 230VAC TCS461P Ediseja 21 Trip Circuit Supervision Relay For Combiflex 110-220VDC 230VAC SPER 1C1 and RXEM 1 Replacement TCS411C Ediseja 21    
DIN35 RAIL PANEL 96x48 mm COMBIFLEX®    
TCS xxxD TCS xxxP TCS xxxC    
   
Description:

For proper electrical networks operation, proper protection and circuit breaker operation in medium and high voltage substations is crucial. For proper circuit breaker operation, healty trip coil circuit is crucial. The healtiness of circuit breaker trip coil circuit is monitored by the trip circuit supervision relay TCS which monitors the circuit in open and close circuit breaker position (ANSI 74TC).

In normal operation TCS supervision relay is always energised. In case of trip coil circuit fault, trip voltage fault or TCS relay fault, TCS supervision relay will deenergise and indicate "Trip Circuit Fault".

TCS comes in many variants, from one to three coils supervision in single relay. TCS supervison relay comes in two types; with active power supply (TCS 1xxx, 2xxx, 4xxx) or passively supplied through supervision circuit (TCS Axxx, Bxxx, Cxxx, Dxxx).

Devices with active power supply draws very low supervision current which is crucial in autonomous protection systems with trip capacitor power bank.
Active power supply
TCS 111x, 211x, 411x has one supervision channel. With additional external resistor those devices can supervise circuit breaker trip circuit in both circuit breaker positions.
TCS 121x, 221x, 421x has two supervision channels. Second channel (no need for external resistor) and enables use of latched trip contact or permanent trip (e.g. undervoltage protection).
TCS device has one output which is controlled with supervision inputl(s). If the supervision current is below treshold, digital output drops after time delay.
Passively supplied
TCS A11x, B11x, C11x, D11xhas one supervision channel. With additional external resistor those devices can supervise circuit breaker trip circuit in both circuit breaker positions.
TCS A22x, B22x, C22x, D22x has two supervision channels. With two additional external resistors those devices can supervise two circuit breakers trip circuit in both circuit breaker positions.
TCS A11x, B11x, C11x, D11x device has one digital output which is controlled with supervision input. TCS A22x, B22x, C22x, D22x device has two outputs.

Power supply and supervision inputs are made for standard substation voltages; 24 V DC, 48 V-60 V DC and 110 V-250 V DC .
For device operation visual inspection device is equipped with green LED and one red lamp for digital output state.
TCS xxxDis intended for DIN35 rail mounting, TCS xxxP is intended for panel mounting ,TCS xxxC is in HX1 housing and is intended for installing into ABB Combiflex® system.

   
Features:

- ABB Combiflex® system HX1, DIN 35 rail or panel mount housing
- ABB SPER 1C1, ABB RXEM 1 pin compatible

- One, two or three coils supervision in single relay
- With active power supply or passive supplied version
- Standard substation battery and network voltages
- Low auxiliary voltage burden

- Universal input voltage supervision circuit
- Low supervision current; below 1 mA (TCS with power supply)
- LED operation indicators
- Galvanically separated supervision, auxiliary and output circuits
- 1 input with the use of external resistor or 2 inputs no external resistor required
- Latched trip and permanent closed trip contact position (e.g. undervoltage protection) independent
- Both circuit breaker positions circuit supervision
- Power supply loss, wire, coil and contact failure and relay self supervision

   
Schematic: TCS 111x, 211x, 411x - 1 coil with ext. R - act. power sup., 1 low current input, 2xCO relay output
TCS 121x, 221x, 421x - 1 coil - act. power sup., 2 low current inputs, 2xCO relay output
TCS 141P, 241P, 441P - 2 coils - act. power sup., 4 lowcurrent inputs, 2xCO relay output
TCS 161P, 261P, 461P - 3 coils - act. power sup., 6 low current inputs, 2xCO relay output
TCS A11x, B11x, C11x, D11x - 1 coil with ext. R - 1 input, 2xCO relay output
TCS A22x, B22x, C22x, D22x - 2 coils with ext. R - 2 inputs, 2x 2xCO relay outputs
   
Model types:
Power supply
Num. of sup. inputs
Num. of outputs
Voltage
24 VCD
48-60 VDC
110 VDC
220 VDC
230 VAC
active
1
1
TCS 111x
TCS 211x
TCS 411x
TCS 411x
TCS 411x
active
2
1
TCS 121x
TCS 221x
TCS 421x
TCS 421x
TCS 421x
active
4
1
TCS 141P
TCS 241P
TCS 441P
TCS 441P
TCS 441P
active
6
1
TCS 161P
TCS 261P
TCS 461P
TCS 461P
TCS 461P
/
1
1
TCS A11x
TCS B11x
TCS C11x
TCS D11x
/
/
2
2
TCS A22x
TCS B22x
TCS C22x
TCS D22x
/
  TCS xxxD - DIN35 rail mount, TCS xxxP - panel mount 96x48 mm, TCS xxxC - Combiflex system (see photos above)
   
Downloads:

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