A51CE24VDC1.6U

Relay Automotive Overview

The A51CE24VDC1.6U is a micro ISO automotive relay manufactured by CIT Relay and Switch, designed for high-current switching applications within compact spaces. It features a 24VDC coil with a rated power of 1.6W and utilizes quick-connect mounting terminals for efficient PCB integration. The relay supports a maximum switching current of 40A at 14VDC, making it suitable for demanding automotive loads. Its contact arrangement is SPST-NO (Form A), ensuring reliable signal or power transmission in vehicle electrical systems.

Relay Automotive Feature Summary

• Compact micro ISO form factor optimized for space-constrained automotive installations
• High switching capacity supporting up to 40A load currents
• Quick-connect terminal style facilitates rapid assembly and maintenance

Relay Automotive Applications

• Automotive lighting circuits
• Accessory power distribution modules
• Vehicle security system actuation

Relay Automotive Procurement Notes

Verify the specific ordering suffix against the manufacturer's official catalog to ensure correct coil voltage and terminal configuration. Confirm that the selected variant matches the required contact arrangement and mounting style for your specific PCB design. Cross-reference the part number with the latest CIT Relay and Switch documentation to validate availability and any recent specification updates before finalizing procurement orders.

Relay Automotive Selection Notes

Select this component when a robust, high-current relay is needed for automotive environments where physical space is limited. Ensure the control circuit can provide the necessary 24VDC coil drive current. Verify that the PCB layout accommodates the quick-connect terminal spacing and that the thermal management strategy supports the relay's power dissipation characteristics during continuous operation.

Relay Automotive Part Context

This model belongs to the CIT micro ISO automotive relay series, which is engineered for durability and performance in harsh vehicular conditions. The series offers various coil voltages and contact configurations to meet diverse automotive electrical requirements. These relays are widely utilized in modern vehicles for managing high-power accessories and critical safety systems.

Relay Automotive Replacement Considerations

Direct substitutes include other CIT micro ISO relays with identical 24VDC coils and 40A ratings, such as the A51CE24VDC1.6. Ensure mechanical footprint compatibility and terminal alignment when replacing units from different manufacturers.