AZ9861-1A-24DC4R1

Relay Automotive Overview

The American Zettler AZ9861-1A-24DC4R1 is a sealed SPST automotive relay with a 40 Amp contact rating and 24 VDC coil voltage. It features a high operating temperature capability of 125°C and includes a shrouded weatherproof cover for environmental protection. The unit utilizes terminal pin connections and is designed for chassis mounting in demanding automotive environments.

Relay Automotive Feature Summary

• Sealed construction with integrated shrouded weatherproof cover
• High thermal endurance rated for 125°C operation
• Robust 40 Amp switching capacity for heavy loads

Relay Automotive Applications

• Automotive electrical systems
• Heavy-duty vehicle power distribution
• Industrial control circuits requiring weather resistance

Relay Automotive Procurement Notes

Verify the specific model suffix to confirm the contact configuration, as the series includes both SPST and SPDT variants. Ensure the procurement documentation explicitly references the 24VDC coil specification and the 40Amp rating to distinguish this high-current unit from lower-capacity alternatives within the same product family.

Relay Automotive Selection Notes

Select this component when a single-pole normally-open circuit requires significant current handling in exposed conditions. The sealed design and high temperature rating make it suitable for under-hood or exterior automotive installations where standard relays might fail due to moisture or heat exposure.

Relay Automotive Part Context

This part belongs to the American Zettler AZ9861 series of automotive relays, which are characterized by their robust sealing and high current capabilities. The series offers various coil voltages and contact configurations to support diverse automotive electrical architectures.

Relay Automotive Replacement Considerations

Direct substitutes must match the 24VDC coil voltage, 40Amp rating, and SPST (Form A) contact configuration. Verify that any replacement also includes a shrouded cover and supports chassis mounting to maintain the original equipment's environmental protection standards.