The legendary SP ACOM family: More than 300,000 relays in use world-wide

The SPAJ 140 Series relays belong to the SPACOM product family –

already a legend in its field. These products were the first in the worldin intro ducing a substation

automation concept based on a genuine communicating microprocessorcontrolled relay solution.

Today, these products still keep pace with the same enduring protection power.

SPAJ 140 C Series Technology summary Integrated solution

Three-phase overcurrent unit and sensitive non-directional earth-fault unit with flexible

tripping and signalling facilities and an integrated circuit-breaker failure protection.

Standard or specific

Four standard inverse definite minimum time (IDMT) time-current curves as per

IEC and BS. Two specific inverse-time characteristics called RI and RXIDG.

Recorded memory for measured fault parameters.

Local and/or remote access to parameters, fault register, events and diagnostic data through local

man-machine interface or remote serial port.

Two or three operation stages in each protection relay module.

Freely configurable output relays for tripping and signalling.