A3K1ACQ24VDC1.6D

Relay Automotive Overview

The A3K1ACQ24VDC1.6D is a Maxi ISO sized automotive relay manufactured by CIT Relay and Switch. It features an SPST-NO (1 Form A) contact configuration with a rated switching current of 150A. The coil operates at 24VDC, requiring a must-operate voltage of 15.6VDC and releasing at 2.4VDC. It supports switching up to 145VDC and includes internal blowout magnets for arc suppression. The component functions within a temperature range of -40°C to 125°C.

Relay Automotive Feature Summary

• Maxi ISO form factor designed for automotive applications
• High current capacity of 150A for DC motor and lamp control
• Internal blowout magnets enhance switching reliability
• Capable of handling high voltage loads up to 145VDC

Relay Automotive Applications

• Automotive power management systems
• DC motor control circuits
• Lamp control applications
• General purpose automotive relaying

Relay Automotive Procurement Notes

Verify the specific suffix '1.6D' against official CIT Relay and Switch documentation to confirm the presence of internal protection components or specific terminal configurations. Ensure the procurement source provides valid manufacturer traceability. Cross-reference the datasheet for exact pinout and mounting requirements to guarantee compatibility with the target PCB or socket assembly.

Relay Automotive Selection Notes

Select this component when a high-current automotive relay is required for 24VDC systems. The 150A rating makes it suitable for heavy loads such as starter motors or high-power lighting. The Maxi ISO size ensures standard footprint compatibility in vehicle electrical architectures. Verify that the 145VDC switching capability aligns with the maximum circuit voltage to prevent insulation breakdown.

Relay Automotive Part Context

This part belongs to the A3K series of automotive relays from CIT Relay and Switch. The series is engineered for rugged performance in demanding vehicle environments. The A3K1ACQ24VDC1.6D specifically utilizes the Maxi ISO package, which is widely adopted in modern automotive designs for its compact size and high current handling capabilities compared to traditional relay formats.

Relay Automotive Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Users should consult the manufacturer's official cross-reference guide for compatible alternatives.