AZ979-1C-24D

Relay Automotive Overview

The AZ979-1C-24D is an electromechanical power relay manufactured by American Zettler, designed for automotive and industrial applications. It features a SPDT (1 Form C) contact arrangement with a nominal coil voltage of 24 VDC. The device supports a maximum switched current of 60 A at 30 VDC resistive loads, providing up to 840 W switching capacity. Key electrical parameters include a coil resistance of 360 Ohms and a dielectric strength of 500 Vrms between coil and contacts. The unit measures approximately 29.8 x 33.4 x 56.2 mm and utilizes chassis mounting.

Relay Automotive Feature Summary

• High current switching capability rated at 60 A for demanding automotive circuits
• SPDT configuration allowing single circuit control with change-over functionality
• Robust construction engineered for high momentary carry currents up to 500 A
• Chassis mount design suitable for secure installation in vehicle environments

Relay Automotive Applications

• Automotive high-current circuit switching
• Industrial load management systems
• Power distribution control units

Relay Automotive Procurement Notes

Verify the specific datasheet version to confirm exact dimensional tolerances and terminal configurations. Ensure the application environment does not exceed the specified operating temperature limits. Confirm that the 30 VDC switching voltage constraint aligns with the target circuit requirements. Cross-reference the coil resistance value with the driving source capabilities to ensure proper actuation.

Relay Automotive Selection Notes

Select this model when a 60 A continuous switching capacity is required within a compact form factor. The 24 VDC coil specification suits standard automotive electrical architectures. Consider the SPDT contact type if circuit reversal or dual-path selection is necessary. Evaluate the mechanical dimensions against available panel space before finalizing the design.

Relay Automotive Part Context

This component belongs to the AZ979 series of miniature power relays from American Zettler. The series is characterized by high durability and suitability for harsh automotive environments. The AZ979-1C-24D variant specifically denotes the 24 VDC coil voltage and SPDT contact configuration within this product line.

Relay Automotive Replacement Considerations

Direct substitutes may include other Super ISO style relays with matching 60 A ratings and 24 VDC coils. Verify pinout compatibility and physical footprint dimensions before swapping. Alternative models from the same manufacturer family should be checked for identical switching voltage constraints.