Contact Details:

NewElec (Pty) Ltd

298 Soutter Street cnr Maltzan Street
Pretoria West
Pretoria
0058
South Africa

Tel: +27 (0)12 327 1729
Alt. Tel: 0860 103 041
Fax: +27 (0)12 327 1733

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The modular MA electronic motor protection relay from NewElec,  controls, monitors and protects the performance of 3-phase LV motors.  The relay measures electrical motor variables such as current, phase unbalances, phase loss, earth leakage, earth fault, short circuit and voltage conditions. It can be used as either a standalone electronic motor protection relay or as part of an automated process communicating to a PLC.

 

Designed for advanced motor protection, the MA comes complete with integrated current transformers and earth leakage core in the range from 0.5 to 250 A. The current range can be extended using interposing CTs. Individual fault status indication is provided by LEDs for easy diagnostics. It also stores the last four faults with time and date stamping.

 

The relay has five digital inputs and four output contacts (two are programmable). The inputs will accommodate voltages from 24 to 220 volt a.c or d.c and for this reason it is an ideal choice for rapidly automating older plants utilising the customer’s existing switchgear and optimising the electrician’s circuit knowledge.

 

The relay is very robust with its steel enclosure and supports Profibus DP, Canbus and Modbus communications protocols. Devicenet is supported through a third-party gateway card.