A21CCQ24VDC1.9D

Relay Automotive Overview

The A21CCQ24VDC1.9D is an automotive SPDT relay manufactured by CIT Relay and Switch, designed for vehicle and industrial switching applications. It features a 24VDC coil with a resistance of 79.2mA and handles up to 40A at 24VDC. The contact configuration includes 20A normally open and 15A normally closed ratings. This socketable Mini ISO relay ensures reliable performance in demanding environments.

Relay Automotive Feature Summary

• Automotive-grade SPDT design for robust switching
• Socketable Mini ISO form factor for easy installation
• High current capacity suitable for heavy loads

Relay Automotive Applications

• Vehicle electrical systems
• Industrial equipment control
• Power distribution circuits

Relay Automotive Procurement Notes

Verify the specific part number A21CCQ24VDC1.9D against official CIT Relay and Switch documentation to confirm coil voltage, contact rating, and socket compatibility. Ensure the application environment matches the relay's automotive-grade specifications and that the correct Mini ISO socket is utilized for proper connection.

Relay Automotive Selection Notes

Select this relay for applications requiring a 24VDC coil and high current handling up to 40A. The SPDT configuration provides flexibility for both normally open and normally closed circuit control. Consider the Mini ISO footprint for space-constrained automotive or industrial panels where socketable mounting is preferred.

Relay Automotive Part Context

CIT Relay and Switch specializes in durable electromechanical relays and switches for harsh environments. The A21CCQ series represents their automotive-grade offerings, engineered for reliability in power management and control systems across transportation and industrial sectors.

Relay Automotive Replacement Considerations

Check for compatible Mini ISO socket replacements. Verify equivalent SPDT relays with matching 24VDC coil characteristics and 40A contact ratings from other manufacturers if direct substitution is required.