MOV Lightning/Power Surge Suppressor
Kit for Chamberlain Circuit Boards
and Safety Beams - Part #41A5530 
Sears Craftsman LiftMaster Chamberlain MOV Lightning/Power Surge Suppressor Kit - Part # 41A5530
(MOV - Metal Oxide Varistor)
To protect the safety sensors and logic boards from electrical storms and power surges.
Use before a lightning strike, electric storm or power surge occurs. Will decrease that chances of power surge or lightning strike shorting the receiver logic board for Chamberlain Liftmaster machines.
Wiring Instructions:
- Attach MOV wires directly to motor unit terminals 2 & 3 (white & black) located on the receiver logic board. Note: Units with quick connect terminals, both bell wires must be twisted or connected together and reinserted using only one hole leaving the second hole for MOV wire.
- Route green ground wire to the chassis top. Attach wire to chassis with the self threading screw, using the existing hold as illustrated. Note: Screw drive units with side access dor, attach to the chassis hanging brackets with hardware provided.
Note: - This product will not protect receiver logic board or safety sensors from nearby electric storms or lightning strikes, but from power surges caused by those elements.
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Special Orders: All Special Order items require a 50% deposit of the total before ordering. Please call for lead times on Special Order items or request a quote by email or fax. Certain items such as, but not limited to, gate operators, telephone entry systems, card reader systems, access control systems, non-stock transmitters/receivers, any stock or non-stock item we consider to be a special order item, and/or any item being ordered specifically for you are considered a special order. All returns and cancellations within 30 days or exchanges within our 1-year warranty policy are subject to a 50% special order restocking fee. Warranty is void where evidence of misuse or abuse is present. |
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