A world-class relay collection for optimised protection functions

The SPAJ 140 C Series relays serve your network with reliable and versatile technical features:

– The SPAJ 140 C relay comprises a reliable basic relay solution for non-directional overcurrent and

earth-fault protection.

– The SPAJ 141 C relay includes a very sensitive earth-fault input circuit.

– The SPAJ 142 C is a version of SPAJ 140 C with more sensitive earth-fault protection.

– The SPAJ 144 C is the newest member of SPAJ 140 C Series with enhanced protection functionality

and even more protective stages.

The external control input in SPAJ 140 C Series relays enables you to build busbar protection and other

special applications based on blocked overcurrent relays.

Also for off-shore applications IP54 class water- and dustproof aluminium

case endures mechanical stress.

All in one No external auxiliary relays for tripping are needed.

Wide auxiliary voltage ranges 18-80 V DC and 80-265 V AC/DC

Improved reliability and availability supported by built-in self-supervision

system with auto-diagnosis.

Long life-time MTBF higher than 200 years based on delivery and fault statistics.

CE marking according to the EC directive for EMC.