Relay Case
Inspect the outer terminals checking insulation integrity & tightness.
Inspect inside the case and use a blower to remove dust.
Inspect the inner terminals for worn, distorted or tarnished contacts and if necessary clean the
contacts using a brush dipped in a suitable substance.
Case outer terminals
Case inner terminals
Module plug in terminals
Test Intervals
The maintenance tests required will largely depend upon experience and site conditions, but as a
general rule it is recommended that the following inspection and tests are performed every twelve
months.
♦
Mechanical
Inspection
♦
Check of Connections
♦
Insulation Resistance Test
♦
Fault Setting Tests by Secondary Injection
♦
Tests using Load Current
♦
Check the continuity of the neutral CT loop with a bell test set or an ohmmeter
Visit
www.rmspl.com.au
for the latest product information.
Due to RMS continuous product improvement policy this information is subject to change without notice. User_Guide-5/Iss D/10/07/08