Protection:

Ø  21LB Load blinder

Ø  27 Under voltage protection – 3 phase

Ø  32 Power protection

Ø  37/37G Undercurrent protection

Ø  46 Negative sequence over current protection

Ø  46BC Broken conductor detection

Ø  47 Sequence overvoltage protection

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  51V Voltage dependent over current – phase

Ø  55 Power factor

Ø  59/ 59Vx Overvoltage protection

Ø  59N Neutral Voltage protection

Ø  67/ 67G/ 67GS/67N Directional – phase/earth fault

Ø  78VS Voltage vector shift

Ø  81 Frequency protection – "f>" or "f<"

Ø  81R Frequency protection – "df/dt“

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  60VTS VT Supervision

Ø  74CC Close-circuit supervision

Ø  74TC Trip –circuit supervision

Ø  81HB2 Inrush current detection                                   

Control & Plant:

Ø  25 Synchrocheck – synchronizing function

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,4VT,9BI ,8BO

Ø  4CT,4VT,14BI,10BO

Ø  4CT, 4VT, 19BI,12BO

Ø  4CT,4VT,39BI,20BO

Ø  Optional AFD & TSI