A2HM1ASQ12VDC1.6

Relay Automotive Overview

The A2HM1ASQ12VDC1.6 is an automotive relay manufactured by CIT Relay and Switch, featuring a non-latching coil type and SPST-NO (Form A) contact configuration. It supports a maximum switching voltage of 75VDC with a rated current capacity of 50A at 12VDC. The unit operates on a 12VDC coil voltage requiring 133.3 mA, with a coil resistance of 90 Ohms and power consumption of 1.6W. Key electrical parameters include a must-operate voltage of 7.8 VDC and a must-release voltage of 1.2 VDC. The device utilizes AgSnO2 contact material and offers quick connect termination options for secure installation.

Relay Automotive Feature Summary

• High switching capacity up to 50A for demanding automotive loads
• Compact design suitable for space-constrained vehicle applications
• Quick connect mounting terminals for efficient assembly

Relay Automotive Applications

• Automotive lighting circuits
• Vehicle accessory power distribution
• General automotive control systems

Relay Automotive Procurement Notes

Verify the specific suffix 'D' if present in your source documentation, as it may indicate a distinct variant or manufacturing revision compared to the base model. Confirm that the 50A rating aligns with your circuit requirements. Ensure compatibility with the 12VDC system voltage and check for any specific packaging or handling instructions provided by the manufacturer for this component series.

Relay Automotive Selection Notes

Select this model when a single-pole normally-open configuration is required for high-current automotive switching. The 50A rating provides significant headroom for heavy loads compared to standard 40A variants. Consider the quick-connect interface for ease of maintenance and replacement. Verify that the 12VDC coil drive capability matches your vehicle's electrical architecture before integration into the design.

Relay Automotive Part Context

This component belongs to the CIT A-Series automotive relay family, designed for robust performance in harsh environments. The series is characterized by small size, light weight, and large switching capacities. These relays are certified under QS-9000 and ISO-9002 standards, ensuring consistent quality for automotive and lamp accessory applications where reliability is critical.

Relay Automotive Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.