A51CO24VDC1.9

Relay Automotive Overview

The A51CO24VDC1.9 is an automotive relay manufactured by CIT Relay and Switch, belonging to the A5 series. It features a single pole single throw (SPST) configuration with one normally open contact. The coil operates at 24 VDC, while the switching contacts support up to 40A at 380VAC or 75VDC. This component utilizes PCB pin mounting for secure installation on printed circuit boards. Designed for robust automotive environments, it offers high switching capacity within a compact form factor.

Relay Automotive Feature Summary

• High current switching capability up to 40A
• Compact design suitable for space-constrained applications
• Dual mounting options including PCB pins and quick connects

Relay Automotive Applications

• Automotive electrical systems
• Industrial control circuits
• General purpose switching applications

Relay Automotive Procurement Notes

Verify the specific datasheet version for the A51CO24VDC1.9 to confirm mechanical dimensions and terminal compatibility. Ensure the application voltage aligns with the 24VDC coil rating. Check for RoHS compliance status if required by project specifications. Confirm that the 40A switching capacity meets the load requirements of the target circuit.

Relay Automotive Selection Notes

Select this relay when a high-current automotive-grade solution is needed. Compare against other A5 series variants for different coil voltages or contact configurations. Consider the PCB pin mounting style for assembly processes. Evaluate thermal management needs given the 40A capacity. Verify environmental ratings against operating conditions.

Relay Automotive Part Context

This part belongs to the CIT Relay and Switch A5 series, which focuses on automotive and industrial relay solutions. The series emphasizes durability and high switching performance in small packages. Other models in this line may vary in coil voltage, contact arrangement, or mounting style while maintaining similar core characteristics.

Relay Automotive Replacement Considerations

Check for direct substitutes within the A5 series offering identical 24VDC coil and 40A contact ratings. Verify pinout compatibility before replacing existing components. Ensure mechanical footprint matches the original design constraints.