A2M1ACQ24VDC1.9D

Relay Automotive Overview

The A2M1ACQ24VDC1.9D is a Mini ISO automotive relay manufactured by CIT Relay and Switch, designed for high-current switching applications in vehicle electrical systems. It features a 24VDC coil with a maximum rating of 31.2VDC and a contact arrangement of SPST N.O. (Form 1A). The component supports a large switching capacity up to 40A at 14VDC, with a maximum switching voltage of 75VDC and power handling of 630W. Contact resistance is less than 30 milliohms initially, utilizing AgSnO2 material. The unit measures 26.0 x 26.0 x 24.5 mm and offers PCB pin or quick connect mounting options.

Relay Automotive Feature Summary

• Provides large switching capacity suitable for demanding automotive loads
• Compact physical dimensions with lightweight construction
• Supports both PCB pin and quick connect mounting configurations

Relay Automotive Applications

• Automotive electrical systems
• Lamp accessories control
• High-current circuit switching

Relay Automotive Procurement Notes

Verify the specific suffix 'D' against official CIT documentation to confirm the presence of integrated components such as diodes or brackets, as ordering suffixes may alter functional characteristics. Ensure the coil voltage matches the 24VDC requirement and that the contact form aligns with the application's SPST N.O. needs. Cross-reference the manufacturing certification status if QS-9000 or ISO-9002 compliance is required for the supply chain.

Relay Automotive Selection Notes

Select this model when a compact Mini ISO footprint is required alongside high current handling capabilities up to 40A. The 24VDC coil specification must match the system's available control voltage. Consider the mounting preference; this variant supports quick connect terminals which facilitate rapid assembly in harness-based environments compared to standard PCB-only alternatives.

Relay Automotive Part Context

This component belongs to the A2 series of Mini ISO relays from CIT Relay and Switch. The series is characterized by small size, light weight, and robust switching capacities ranging up to 40A. These relays are certified under QS-9000 and ISO-9002 standards, indicating adherence to specific quality management protocols for automotive and industrial applications.

Relay Automotive Replacement Considerations

Compatible substitutes within the same family include A2M1ACQ24VDC1.6D and A2M1USP12VDC1.6, provided the coil voltage and contact configuration requirements are met. Verify that alternative part numbers support the necessary 40A switching capacity and compatible mounting styles.