A3M1CSQ12VDC2

Relay Automotive Overview

The A3M1CSQ12VDC2 is a sealed automotive relay manufactured by CIT Relay and Switch, designed for chassis mounting. It features an SPDT (1 Form C) contact arrangement with a standard current rating of 60A at 14VDC and a heavy-duty rating of 80A at 14VDC. The coil operates at 12VDC with a resistance of 80 Ohms and consumes 1.8W. Key electrical parameters include a maximum switching voltage of 75VDC, a maximum switching power of 1120W, and an initial contact resistance of less than 30 milliohms. The unit utilizes AgSnO2/In2O3 contact material and functions within a temperature range of -40°C to 125°C.

Relay Automotive Feature Summary

• Sealed construction suitable for harsh automotive environments
• High switching capacity up to 80A for heavy loads
• SPDT configuration providing versatile circuit control
• RoHS compliant manufacturing standards

Relay Automotive Applications

• Automotive lighting systems
• Lamp accessories control
• General automotive electrical circuits

Relay Automotive Procurement Notes

Verify the specific ordering suffix against official CIT documentation to ensure correct terminal style and coil characteristics. Confirm that the required switching current aligns with the standard or heavy-duty ratings specified in the datasheet. Check for RoHS compliance requirements if applicable to the end product. Ensure the chassis mounting type matches the design constraints. Cross-reference the part number with the manufacturer's latest release notes to confirm availability and any potential specification updates.

Relay Automotive Selection Notes

Select this component when a high-current SPDT switch is required for 12VDC automotive applications. The 80A heavy-duty rating supports significant load switching compared to lower-capacity relays. The sealed design offers protection against environmental factors. Consider the 80 Ohm coil resistance and 1.8W power consumption for driver circuit compatibility. Verify that the 75VDC maximum switching voltage meets the circuit requirements.

Relay Automotive Part Context

This part belongs to the A3M series of automotive relays from CIT Relay and Switch. The series is characterized by large switching capacities and suitability for automobile and lamp accessory applications. The A3M series typically includes various contact arrangements and coil voltages, all adhering to QS-9000 and ISO-9002 certified manufacturing processes. This specific model represents the 12VDC coil variant with SPDT contacts.

Relay Automotive Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source data.