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CIT Relay and Switch A21ACQ24VDC19D Automotive Relay

This automotive relay features a 24 V DC coil and a single pole, single throw normally open contact with a 40 A switching capacity. It includes a dust cover for sealing, quick connect terminals, and a coil power of 1.9 W. The relay is designed for reliable switching with a maximum switching power of 630 W and incorporates coil suppression with a diode (1N4005). Suitable for automotive and lamp accessories, it operates across -40°C to +125°C with high electrical and mechanical life cycles, ensuring durability in demanding environments.

Authorized Distributors
Source:DigiKey
Part No:A21ACQ24VDC1.9D
Stock:0
Inv Date:05-30-2026
Price: Unit price: $1.66578
Buy/RFQ:

CIT Relay and Switch A21ACQ24VDC19D Automotive Relay Specifications:

  • Dimensions: 26.0 x 26.0 x 24.5 mm
  • Coil Voltage: 24 VDC
  • Coil Power: 1.9 W
  • Maximum Switching Power: 630 W
  • Switching Current: 40 A at 14 VDC
  • Contact Resistance: < 30 milliohms
  • Contact Material: AgSnO2
  • Electrical Life: 100K cycles
  • Mechanical Life: 10M cycles
  • Operating Temperature: -40°C to +125°C
  • Storage Temperature: -40°C to +155°C
  • Shock Resistance: 147 m/s² for 11 ms
  • Vibration Resistance: 1.5 mm double amplitude 10~40 Hz
  • Insulation Resistance: 100 MΩ min. @ 500 VDC
  • Dielectric Strength: 750 V rms coil to contact
  • Weight: 31 g

Buy the Auto Relay Series A2 SPST N.O. 24VDC: A21ACQ24VDC19D

Purchase the CIT Series A2 automotive relay with 24 V DC coil online today and enjoy superior switching capacity, reliable electrical performance, and durable construction designed for demanding automotive environments. This relay features a compact size, quick connect terminals, and coil suppression diode for enhanced durability. With a maximum switching power of 630 W and 40 A current capacity, it’s perfect for automotive and lamp accessories, offering high electrical and mechanical life cycles. Shop now for fast delivery and quality assurance.

Buy CIT Relay and Switch Series A2 automotive relay with 24V DC coil now and experience unmatched reliability and performance in demanding vehicle applications.

Frequently Asked Questions

Where can I buy CIT Relay and Switch A21ACQ24VDC19D?

You can click on the BUY or RFQ button to purchase A21ACQ24VDC19D from an authorized CIT Relay and Switch distributor.

How do I troubleshoot issues or seek technical support for part A21ACQ24VDC19D?

You can download the A21ACQ24VDC19D datasheet or visit the CIT Relay and Switch website for support.

Who is the manufacturer of A21ACQ24VDC19D?

CIT Relay and Switch

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