standard 4 pin relay MAH-112-B-1R is a 12v one normally closed with resistor plug car relay without bracket, suitable for air conditioner, oil pumb control, fan control.
standard 4 pin relay parameters
30A/40A or 45A/60A
standard 4 pin relay Coil date
Operate Voltage (VDC)
Release Voltage (VDC)
Coil Resistance (Ω±10%)
Coil power (W)
Parallel Resistance (Ω±10%)
Equivalent Resistance (Ω±10%)
standard 4 pin relay Dimensions and wiring diagram
standard 4 pin relay appliance
It is used in car head light control ,fog light, head light, battery control, oil pumb control, fan control, air conditioner, harness.
standard 4 pin relay packing
Carton size: 45X40X22cm
The inside of the carton is protected by corrugated paper, high strength cartons, no problems for long-distance export transport.
We are China high quality manufacturer, founded in 2007, we have own buildings.
2.We produce relay by automatic production line, Now, we have 15 automatic production lines. And daily capacity is more than 600000pcs. Some production lines are designed by ourselves.
3.Have batch code for each relay, When product is abnormal, we can find the problem in the shortest time, Has a good traceability.
4.We have a strict management system for suppliers and raw materials，We usually choose best quality material for relays. For example: Copper wiring buy from Elektrisola, Silver contact buy from FUDA, plastic part from DOPONT
Q: Are you factory?
A: Yes,We focus on PCB and Auto Relay more than 11 Years.
Q:How about your Product Quality?
A: I cannot answer to you from our side. But our customers said to us our products quality is good and most of all products approval of UL and TUV. After you use it, you will know more understanding for our quality.
Q:How about your price?
A: Our price no expensive, but also not cheap, in general, quality is better than price.