Protection:

Ø  37/37G Undercurrent protection

Ø  46 Negative sequence over current protection

Ø  46BC Broken conductor detection

Ø  49 Thermal overload protection

Ø  50/50N/50G Instantaneous over current

Ø  50AFD Arc Flash Detection

Ø  50GS Instantaneous sensitive earth fault - measured

Ø  50SOTF Switch onto fault

Ø  51/51N/51G Time delayed over current

Ø  51CL Cold load over current – phase

Ø  51GS Time delayed sensitive earth fault – measured

Ø  87GH Restricted earth fault protection – high-impedance

Ø  87NL Restricted earth fault protection – low impedance

Supervision:                                           

Ø  50BF Circuit-breaker failure protection – 3 pole

Ø  60CTS CT supervision

Ø  74CC Close-circuit supervision

Ø  74TC Trip –circuit supervision

Ø  81HB2 Inrush current detection

Control & Plant:

Ø  52 Circuit Breaker control

Ø  52 CB Counters Trip & Delta Trip

Ø  52 I2t Counter

Ø  79 Automatic reclosing

Ø  86 Lockout

Available with following CT, VT & BI / BO: 

Ø  4CT, 8BI ,6BO 

Ø  4CT, 13BI,8BO 

Ø  4CT, 23BI,12BO 

Ø  4CT, 38BI,18BO 

Ø  Optional AFD & TSI