12v spst relay MPQ1-S-112D-A is a 30A 12vdc one normally open 4pin PCB power relay , suitable for water heaters, electric cooker, air conditioners.


Contact Arrangement:1A,Change-over type

Contact material:AgNi,AgSnO2

Contact rating:30A

Coil voltage:12VDC

Electrical lift:100,000 cycles

Mechanical Life:1,000,000 cycles

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Operate Voltage


Release Voltage


Max Allowable
coil voltage

Coil Resistanc


Coil Power

(W) 0.9

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It is applied in air conditioners, electric cooker, water heaters, UPS, microwave oven, etc.


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Carton size: 42X29X34cm

-50pcs/plastic box

-500pcs/master carton

The inside of the carton is protected by pearl cotton, high quality cartons, no any problem for long-distance export transport.


1-Meishuo is a manufacturer in Wenzhou,  built in 2007 and have own building.


2-Meishuo have a great cooperate with  many customers, some are very famous , such as: Hella, Steel Mate, Midea ,  Whirool….


3-Meishuo pay a lot attention to the  clearness of workshops, Our workshops are dust-free and constant temperature  & humidity workshops. Every person entering the workshop should wear  anti-static clothing


4-Meishuo have professional R&D team,  have standard development process with excellent customized service.

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