How to install Surge Suppressor used in Vamp relays.

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When VAMP protection relays with surge suppressors are used the surge suppressor shall
be installed close to the contactor according to the manufacturer‘s instruction of the surge
suppressor or using contactor with integrated surge suppressor. When external surge
suppressor is used the length of wires should be minimized.

Poor wiring and earthing are most common reason for electromagnetic problems.
Checking and preparing wiring and earthing might solve many of disturbance problems.
refer Surge suppressor installation.jpg