A2HM1ASQ12VDC1.6D

Relay Automotive Overview

The A2HM1ASQ12VDC1.6D is a sealed automotive relay manufactured by CIT Relay and Switch, designed for chassis mounting applications. It features an SPST-NO (Form A) contact arrangement with a rated switching current of 50A at 14VDC. The coil operates on a 12VDC supply with a power consumption of 1.6W and a resistance of 90 Ohms. Key electrical specifications include a maximum switching voltage of 75VDC, a maximum switching power of 630W, and an initial contact resistance of less than 30 milliohms. The device utilizes AgSnO2 contact material and is RoHS compliant.

Relay Automotive Feature Summary

• Sealed construction suitable for harsh automotive environments
• High switching capacity rated up to 50A
• Chassis mount design with quick connect termination

Relay Automotive Applications

• Automotive lighting circuits
• Lamp accessories control
• General automotive load switching

Relay Automotive Procurement Notes

Verify the specific suffix 'D' against the manufacturer's official datasheet to confirm if it denotes an integrated diode or other functional modification. Ensure the required 50A rating aligns with the application load requirements. Confirm that the chassis mounting style and quick connect terminals match the system interface constraints before finalizing procurement.

Relay Automotive Selection Notes

Select this component when a high-current single-pole switch is required in automotive systems. The 12VDC coil voltage matches standard vehicle electrical architectures. The sealed design provides environmental protection compared to open relays. Verify that the physical dimensions and mounting flange configuration fit within the available chassis space.

Relay Automotive Part Context

This part belongs to the CIT A2 series of automotive relays, which are characterized by large switching capacities and compact form factors. The series supports various contact arrangements including SPST and SPDT configurations. These relays are certified under QS-9000 and ISO-9002 standards, indicating adherence to automotive manufacturing quality protocols.

Relay Automotive Replacement Considerations

The A2S1ASQ12VDC1.6 is a related model within the same series but has a lower 40A rating. The A2M1USP12VDC1.6 is another variant with similar coil characteristics but different contact ratings. Cross-reference the exact current handling and terminal configuration before substituting.