AZ9731-1A-12DC1R1

Relay Automotive Overview

The AZ9731-1A-12DC1R1 is a 40 Amp Mini-ISO automotive relay manufactured by American Zettler. It features a SPST (1 Form A) contact arrangement with a nominal coil voltage of 12 VDC. The component supports a maximum switched current of 40 A and a maximum switched voltage of 75 VDC for resistive loads, delivering up to 560 W of power. It includes quick connect terminals and is designed for chassis mounting.

Relay Automotive Feature Summary

• Supports high-current switching with a 40 Amp contact rating
• Features quick connect terminals for simplified installation
• Designed for high momentary carry current applications

Relay Automotive Applications

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

Relay Automotive Procurement Notes

Verify the specific suffix R1 against official documentation to confirm terminal type and packaging details. Ensure the 12 VDC coil voltage matches the system requirements. Confirm that the SPST configuration aligns with the circuit design. Check for any special precautions required when switching voltages exceed standard limits.

Relay Automotive Selection Notes

Select this relay for applications requiring robust 40 Amp switching capability in a compact Mini-ISO form factor. Consider the 12 VDC coil voltage compatibility with the control circuit. Evaluate the need for quick connect terminals versus other interface options. Assess environmental conditions to ensure suitability for the intended operating temperature range.

Relay Automotive Part Context

This component belongs to the AZ973 series of Mini-ISO automotive relays from American Zettler. The series is characterized by high current ratings and durability for automotive use. Variations within the series differ by contact arrangement, coil voltage, and accessory options like brackets or covers.

Relay Automotive Replacement Considerations

Compatible substitutes include the AZ9731-1A-12DC1 and AZ973-1A-12DC2ED3. Verify pinout compatibility and mechanical dimensions before substitution. Ensure the replacement part meets the same 40 Amp rating and 12 VDC coil specifications.