A3KM1ASQ24VDC1.6D

Relay Automotive Overview

The A3KM1ASQ24VDC1.6D is a sealed automotive relay manufactured by CIT Relay and Switch, designed for high-current switching applications. It features an SPST-NO (Form A) contact arrangement with a heavy-duty rating of up to 80A at 14VDC. The unit operates on a 24VDC coil voltage with a maximum switching voltage of 75VDC and a maximum switching power of 1120W. Contact resistance is less than 30 milliohms initially, utilizing AgSnO2 contact material. The relay supports chassis mounting and includes a built-in diode for arc suppression.

Relay Automotive Feature Summary

• Sealed fully enclosed design with integrated magnetic blowout for arc suppression
• High switching capacity supporting heavy-duty loads up to 80A
• Compatible with both PCB pin and quick connect mounting configurations

Relay Automotive Applications

• Automotive electrical systems
• Lamp accessories
• Industrial control circuits requiring high current switching

Relay Automotive Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm the inclusion of the internal flyback diode and exact terminal configuration. Ensure the 24VDC coil voltage aligns with the target system's power supply capabilities. Confirm that the chassis mount style matches the available installation space and hardware requirements for the intended assembly.

Relay Automotive Selection Notes

Select this component when a robust, sealed relay is required for high-amperage DC loads in automotive or industrial environments. The 24VDC coil specification necessitates a compatible control circuit. Consider the physical dimensions and mounting style constraints during the mechanical design phase to ensure proper fitment within the equipment enclosure.

Relay Automotive Part Context

This part belongs to the CIT A3 series of automotive relays, characterized by large switching capacities and compact form factors. The series is certified under QS-9000 and ISO-9002 standards, indicating suitability for rigorous automotive manufacturing environments. The A3 series typically offers variants with different contact arrangements and coil voltages to accommodate diverse system architectures.

Relay Automotive Replacement Considerations

Public confirmed substitute part numbers are not provided in the available documentation. Verify compatibility with existing socket designs and wiring harnesses before considering alternative components from other manufacturers.