A2HM1ACQ12VDC1.6D

Relay Automotive Overview

The A2HM1ACQ12VDC1.6D is a sealed automotive relay manufactured by CIT Relay and Switch, designed for high-current switching applications. It features an SPST-NO (1 Form A) contact arrangement with a rated current of 50A at 12VDC. The coil operates on 12VDC with a maximum voltage of 15.6VDC and a resistance of 90 ohms. The unit measures 26.0 x 26.0 x 24.5 mm, utilizing quick connect mounting terminals. It is certified under QS-9000 and ISO-9002 standards, ensuring reliability in automotive environments.

Relay Automotive Feature Summary

• High switching capacity up to 50A for demanding automotive loads
• Sealed construction protects internal components from environmental factors
• Compact chassis mount design with quick connect terminals for efficient installation

Relay Automotive Applications

• Automotive lighting systems
• Lamp accessories control
• General automotive electrical circuits

Relay Automotive Procurement Notes

Verify the specific contact configuration matches the circuit requirement, as this model is SPST-NO. Confirm that the 12VDC coil voltage aligns with the vehicle's power supply system. Ensure the mounting method supports the quick connect terminals specified in the datasheet. Check for any required diode protection if used with inductive loads, although some variants include built-in suppression.

Relay Automotive Selection Notes

Select this component when a single-pole normally-open switch is needed for high-current automotive applications. The 50A rating suits heavy loads like headlights or fans. Consider the physical dimensions and terminal type for PCB or panel integration. Compare against lower-rated models if the load current exceeds specifications to prevent premature failure.

Relay Automotive Part Context

This relay belongs to the A2 series from CIT Relay and Switch, characterized by robust performance in automotive sectors. The series offers various contact arrangements and coil voltages. The A2HM1 variant specifically targets high-capacity needs with a sealed housing. It complements other CIT relays like the A2M1 and A3K1 series for diverse current requirements.

Relay Automotive Replacement Considerations

Direct substitutes may include the A2HM1ASQ12VDC1.6D if the contact form remains consistent. Verify coil voltage and current ratings match exactly. Check terminal compatibility for quick connect interfaces. Cross-reference part numbers within the CIT A2 series family for equivalent sealing and mounting features.