A3KM1ASP12VDC1.6

Relay Automotive Overview

The A3KM1ASP12VDC1.6 is an automotive relay from the CIT Relay and Switch A3KM series, designed for high-current applications. It features a single-pole single-throw normally open (SPST-NO) contact configuration capable of switching up to 80A at a maximum voltage of 145V DC. The coil operates on a 12V DC supply with a rated power consumption of 1.6W. Key electrical parameters include a coil resistance of approximately 90 Ohms, an operate time of 15ms, and a release time of 15ms. The device utilizes silver tin oxide (AgSnO) contact material to ensure durability under heavy load conditions.

Relay Automotive Feature Summary

• High current capacity suitable for demanding automotive loads
• Robust construction using silver tin oxide contacts
• Standard 12V DC coil operation for vehicle compatibility

Relay Automotive Applications

• Automotive lighting circuits
• Heavy-duty accessory control systems
• Industrial power distribution panels

Relay Automotive Procurement Notes

Verify that the specific part number matches the required 80A rating and SPST-NO configuration before ordering. Confirm coil voltage tolerance aligns with the target system's 12V DC environment. Ensure proper chassis mounting provisions are available in the design. Cross-reference official datasheets for thermal derating requirements under continuous operation.

Relay Automotive Selection Notes

Select this component when high current switching is required within standard automotive voltage ranges. Compare against lower-amperage alternatives if load requirements are reduced. Consider physical dimensions and terminal type compatibility with existing harnesses. Evaluate environmental sealing needs against the specific operating conditions of the installation site.

Relay Automotive Part Context

This relay belongs to the A3KM series, which focuses on robust performance for automotive and industrial sectors. The series offers various contact configurations and coil voltages to support diverse power management tasks. CIT Relay and Switch designs these components to withstand harsh environments while maintaining reliable electrical connections over extended service life.

Relay Automotive Replacement Considerations

Public confirmed substitute part numbers: None identified.