A21CCQ24VDC1.6D

Relay Automotive Overview

The A21CCQ24VDC1.6D is an automotive relay manufactured by CIT Relay and Switch, featuring a SPDT (1 Form C) contact arrangement with a 24VDC coil voltage. It provides a large switching capacity of up to 40A at 14VDC for normally open contacts and 30A for normally closed contacts. The unit measures 26.0 x 26.0 x 24.5 mm and utilizes quick connect terminals for mounting. It operates within a temperature range of -40°C to 85°C.

Relay Automotive Feature Summary

• SPDT configuration with high current switching capacity
• Compact physical dimensions suitable for space-constrained designs
• Quick connect terminal interface for simplified assembly

Relay Automotive Applications

• Automotive power distribution systems
• Vehicle lighting accessories control
• General industrial equipment switching

Relay Automotive Procurement Notes

Verify the specific pinout configuration against the manufacturer datasheet before integration. Confirm that the 24VDC coil voltage matches the system supply. Ensure the PCB or harness supports the quick connect terminal style. Check environmental ratings if operating in extreme temperatures.

Relay Automotive Selection Notes

Select this component when a single pole double throw circuit is required for moderate to high current loads. The 40A rating suits heavy-duty applications compared to standard low-current relays. Consider the 26mm footprint for board layout constraints. Verify coil resistance requirements for driver circuit compatibility.

Relay Automotive Part Context

This part belongs to the A21 series of automotive relays from CIT Relay and Switch. The series is designed for durability and reliability in harsh environments. It offers various coil voltages and contact configurations to support diverse vehicle and industrial control needs.

Relay Automotive Replacement Considerations

Check for equivalent SPDT automotive relays with matching 24VDC coil specifications. Verify that substitute parts support the same 40A switching capacity and quick connect mounting style. Ensure dimensional compatibility for existing enclosures.