Technical Specifications:

Ø  Non draw out OC & EF protection 

Ø  Wide range Aux supply, Fix BI Threshold 

Ø  Control keys / USB front port 

Ø  4 CT 6 BI 6 BO /9BI, 6BO (7SR1003) 

Ø  4CT 3 VT 9BI 6 BO (7SR1004) 

Ø  Serial RS485 with IEC103/Modbus RTU

USP’s:  

Ø  BI suitable for AC /DC supply 

Ø  Programmable logic equations and editor 

Ø  Configuration from relay front facia / software 

Ø  Special functions like Broken conductor 

Ø  THD / High Imp REF 

Ø  1000 events , 15 Disturbance records 

Ø  Conformal Coating

Applications:

Ø  Protection for cable /OH Lines, Trafo. etc 

Ø  Broken conductor OH/cable feeder 

Ø  EF : Measured CBCT / residual connection 

Ø  High Imp REF 

Ø  THD measurements up to 15th harmonic 

Ø  Arc protection for LV & MV Panels 

Ø  BCPU for MV/LV