AZ9731-1A-12DC1

Relay Automotive Overview

The AZ9731-1A-12DC1 is a 40 Amp Mini-ISO automotive relay manufactured by American Zettler. It features SPST (1 Form A) contacts with a maximum switched current of 40 A and voltage up to 30 VDC for resistive loads. The coil operates at 12 VDC with a typical operate time of 3 ms and release time of 1.5 ms. It supports high operating temperatures up to 125°C and utilizes quick connect terminals.

Relay Automotive Feature Summary

• High current switching capability rated at 40 Amps
• Designed for high operating temperatures up to 125°C
• Compact Mini-ISO form factor with quick connect terminals

Relay Automotive Applications

• Automotive electrical systems
• Industrial control circuits
• High-current switching applications

Relay Automotive Procurement Notes

Verify the specific contact arrangement matches the required SPST (1 Form A) configuration. Confirm the coil voltage is strictly 12 VDC for proper operation. Ensure the mounting type and terminal style are compatible with the target assembly. Check temperature ratings against environmental conditions.

Relay Automotive Selection Notes

Select this component when a compact, high-current relay is needed for automotive or industrial use. The 40 Amp rating suits heavy loads. The 12 VDC coil fits standard vehicle electrical architectures. Consider the 125°C temperature rating for harsh environments.

Relay Automotive Part Context

This part belongs to the AZ9731 series of Mini-ISO automotive relays from American Zettler. These relays are designed to replace standard ISO fuses while providing switching functionality. The series offers various contact arrangements and coil voltages for diverse application needs.

Relay Automotive Replacement Considerations

Check datasheets for direct substitutes within the AZ9731 series or comparable Mini-ISO relays from other manufacturers. Verify pinout compatibility and mechanical dimensions before substitution.