AZ9731-1C-48DC2D1

Relay Automotive Overview

The AZ9731-1C-48DC2D1 is a Mini-ISO automotive relay manufactured by American Zettler. It features a 40 A contact current rating and utilizes a 48 VDC coil voltage. The switch configuration is Single Pole Double Throw (SPDT). The unit employs screw-type contacts made from silver alloy for reliable conductivity. Mounting is achieved via chassis mount methods, ensuring secure installation in vehicle electrical systems.

Relay Automotive Feature Summary

• SPDT switching configuration for versatile circuit control
• Silver alloy contact material ensures stable electrical performance
• Chassis mounting design provides robust mechanical stability

Relay Automotive Applications

• Automotive electrical system protection
• Vehicle lighting circuit control
• Industrial machinery power distribution

Relay Automotive Procurement Notes

Verify the specific suffix codes to confirm coil voltage and terminal type compatibility with existing harnesses. Ensure the chassis mount style matches the enclosure requirements. Cross-reference the 40A rating against peak load currents to prevent thermal overload during operation.

Relay Automotive Selection Notes

Select this model when a 48VDC control signal is available and SPDT functionality is required. The 40A rating suits high-current automotive loads. Confirm that the physical dimensions of the Mini-ISO form factor fit within the designated panel space.

Relay Automotive Part Context

This component belongs to the AZ9731 series of Mini-ISO automotive relays. The series offers various coil voltages and contact ratings to accommodate different vehicle architectures. The AZ9731 variant specifically targets applications requiring moderate current handling with standard automotive interface protocols.

Relay Automotive Replacement Considerations

Compatible substitutes include the AZ9731T5 series for higher current needs or the AZ9731F for lower current applications. Verify that alternative part numbers maintain the same 48VDC coil specification and chassis mounting footprint.