A1M1ASQ24VDCR

Relay Automotive Overview

The A1M1ASQ24VDCR is an automotive SPST-NO relay from the CIT Relay and Switch A1 series, rated for 24 VDC coil voltage. It features a 40 A contact current rating and supports up to 75 VDC switching voltage. The unit utilizes silver tin oxide (AgSnO) contacts and includes an integrated resistor of 680 ohms within the coil circuit. Designed for base mounting with quick connect terminals, it operates reliably within a temperature range of -40°C to 125°C.

Relay Automotive Feature Summary

• Sealed construction designed for automotive environments
• Integrated coil resistor for direct circuit integration
• Silver tin oxide contact material for durability

Relay Automotive Applications

• Automotive electrical systems
• Vehicle lighting circuits
• General automotive load control

Relay Automotive Procurement Notes

Verify the specific suffix 'R' indicates the integrated resistor configuration as documented in distributor listings. Confirm that the 680 ohm resistance value aligns with the target application's coil drive requirements. Ensure the sealed design meets the environmental protection standards required for the intended installation location within the vehicle or equipment.

Relay Automotive Selection Notes

Select this component when a 24 VDC coil voltage is required for automotive applications. The 40 A rating suits high-current loads such as headlights or fans. The integrated resistor simplifies driver circuit design by eliminating external components. Verify that the SPST-NO form factor matches the logical control requirements of the system being designed.

Relay Automotive Part Context

This part belongs to the CIT Relay and Switch A1 series of automotive relays. The series offers various coil voltages and contact configurations. The A1M1ASQ variant specifically denotes the SPST-NO configuration with quick connect terminals. The model number structure identifies the series, contact form, coil voltage, and specific feature variations like the integrated resistor.

Relay Automotive Replacement Considerations

Cross-reference with other CIT A1 series parts for different coil voltages if system voltage differs. Check A2 or A3 series models for higher current ratings if the 40 A limit is insufficient. Ensure mechanical footprint and terminal type compatibility when substituting with other manufacturers' automotive relays.