A1M1ASQ12VDCD

Relay Automotive Overview

The A1M1ASQ12VDCD is an automotive relay manufactured by CIT Relay and Switch, designed for socketable installation. It features a single-pole single-throw normally open (SPST-NO) contact configuration with a 40A rated current capacity. The coil operates at 12VDC with a resistance of 90 Ohms and consumes 1.6W of power. The device supports a maximum switching voltage of 75VDC and utilizes silver tin oxide (AgSnO2) contacts to ensure reliable performance in automotive applications.

Relay Automotive Feature Summary

• Socketable design for easy integration into vehicle electrical systems
• High current handling capability suitable for demanding automotive loads
• Sealed construction providing environmental protection against moisture and contaminants

Relay Automotive Applications

• Automotive lighting circuits
• Vehicle accessory power distribution
• General automotive control systems

Relay Automotive Procurement Notes

Verify the specific ordering suffix to confirm the presence of integrated components such as suppression diodes, as variations exist within the product family. Ensure compatibility with standard automotive relay sockets. Confirm RoHS compliance status and manufacturing origin requirements prior to finalizing procurement orders to meet project specifications.

Relay Automotive Selection Notes

Select this component when a 12VDC coil voltage and 40A continuous current rating are required for automotive use. The SPST-NO configuration is ideal for simple on/off control applications. Consider the socketable form factor if maintenance or replacement accessibility is a priority over PCB mounting solutions.

Relay Automotive Part Context

This part belongs to the CIT A Series automotive relays, which are widely used in transportation industries. The series offers various contact arrangements and coil voltages to support diverse electrical load requirements. The A1M1ASQ12VDCD specifically addresses high-current switching needs in 12-volt automotive architectures.

Relay Automotive Replacement Considerations

Direct substitutes may include other CIT Automotive Relays with identical 12VDC coil ratings and 40A SPST-NO contact configurations. Verify mechanical footprint and pinout compatibility before substitution. Cross-reference with equivalent models from other manufacturers ensuring matching voltage, current, and sealing standards.