A21ACQ24VDC1.6D

Relay Automotive Overview

The A21ACQ24VDC1.6D is an automotive relay manufactured by CIT Relay and Switch, designed for high-current switching applications in vehicle electrical systems. It features a sealed construction to protect internal components from environmental factors. The relay operates with a 24VDC coil and utilizes quick-connect terminals for installation. Key specifications include a 40A contact rating and a maximum switching voltage of 75VDC, ensuring reliable performance under demanding automotive conditions.

Relay Automotive Feature Summary

• Sealed design protects against environmental contaminants
• High current capacity suitable for automotive loads
• Quick-connect terminal style for efficient assembly

Relay Automotive Applications

• Automotive lighting circuits
• Vehicle accessory power distribution
• Industrial control panels requiring sealed relays

Relay Automotive Procurement Notes

Verify the specific part number suffixes to ensure compatibility with existing harness connectors and socket types. Confirm that the 24VDC coil voltage matches the target system architecture. Check datasheet revisions for any updates to contact material or thermal ratings before finalizing procurement orders.

Relay Automotive Selection Notes

Select this model when a sealed relay with a 40A rating is required for 24VDC automotive systems. Ensure the application does not exceed the 75VDC maximum switching voltage limit. Consider the physical dimensions and mounting style if space constraints exist within the equipment enclosure.

Relay Automotive Part Context

This component belongs to the A2 series of automotive relays from CIT Relay and Switch. The series is characterized by compact dimensions and robust switching capabilities. It is engineered specifically for the automotive industry, offering durability and consistent performance across a wide range of operating temperatures and vibration conditions.

Relay Automotive Replacement Considerations

Direct substitutes may include other CIT models within the A2 series with identical pinouts and ratings. Verify coil voltage and contact configuration (SPST-NO) before swapping. Cross-reference with equivalent sealed automotive relays from other manufacturers only if mechanical and electrical parameters match exactly.