A21ASP24VDC1.6D

Relay Automotive Overview

The A21ASP24VDC1.6D is an automotive relay from the CIT Relay and Switch A2 series, designed for high-current switching applications. It features a non-latching coil with a rated voltage of 24VDC and a maximum switching voltage of 75VDC. The device utilizes a Single Pole Single Throw Normally Open (SPST-NO) contact arrangement capable of handling up to 40A. Key electrical parameters include a coil current of 66.7 mA, a release time of 5 ms, and an operating temperature range of -40°C to 125°C.

Relay Automotive Feature Summary

• Supports large switching capacity up to 40A
• Compact design with small size and light weight
• Offers flexible mounting via PCB pins or quick connect terminals

Relay Automotive Applications

• Automotive electrical systems
• Lamp accessories control
• High-current load switching in vehicles

Relay Automotive Procurement Notes

Verify the specific ordering suffix against official CIT documentation to confirm terminal configuration and mounting style. Ensure the selected variant matches the required coil voltage and contact form for the target application. Cross-reference datasheet specifications for environmental ratings before integration.

Relay Automotive Selection Notes

Select this component for applications requiring robust 40A switching capability within automotive environments. The SPST-NO configuration suits simple on/off control tasks. Consider the 24VDC coil requirement and the -40°C to 125°C operating range when designing for extreme thermal conditions.

Relay Automotive Part Context

This part belongs to the CIT A2 series of automotive relays, known for durability in vehicle environments. The A21ASP24VDC1.6D specifically denotes a 24VDC coil, SPST-NO contact, and standard pin configuration. It is distinct from latching variants or different contact arrangements like SPDT found in other model numbers.

Relay Automotive Replacement Considerations

Compatible socket: HD-1002. Verify pinout compatibility when substituting with other A2 series relays such as A21ASQ24VDC1.6R. Ensure coil voltage and contact rating match the original circuit requirements.

Relay Automotive FAQ

What is the maximum switching voltage for this relay?

The maximum switching voltage is 75VDC.

Does this relay have a latching mechanism?

No, it is a non-latching relay.