Available Extension Cards:

– 8x digital inputs (programmable threshold voltage)

– 5x output relays

– Arc-Flash Protection – 4x sensor channels, 2x HSO1. 1x BI *)

– 8x RTD input

– 2x RJ45 100Mb Ethernet & IRIG-B *)

– 2x ST 100Mb Ethernet & IRIG-B *)

– 4x mA outputs – 1 x mA input

– 2x LC 100MB Ethernet (HSR, PRP redundant protocols)

– 2x RJ45 100MB Ethernet (HSR, PRP redundant protocols) *)

– RS-232 – Serial Fiber

Features

Protection Functions:

• (Sensitive) Earth fault protection stages INST, DT or IDMT (ANSI 50N/51N(S))

• Breaker failure protection (ANSI 50BF)

• Cable-end differential protection (ANSI 87)

• Current transformer supervision (ANSI 60L)

• Current unbalance/broken conductor protection stages INST, DT or IDMT (ANSI 46 /R/L)

• Harmonic over-current protection/inrush blocking stages INST, DT or IDMT (ANSI 50H/51H/68)

• Programmable stage (ANSI 99)

• Restricted low-impedance earth fault protection (ANSI 87N)

• Switch onto fault logic (SOTF)

• Three-phase over-current protection INST, DT or IDMT (ANSI 50/51)

• Transformer thermal overload protection (ANSI 49T)

• Transformer, motor or generator differential protection, 2 winding (ANSI 87T/G/M)