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CIT Relay and Switch A21ACQ12VDC16D Automotive Relay

This is a 12 VDC automotive relay with a quick connect terminal shape. It features a single-pole single-throw normally open contact arrangement with a current capacity of 40 A. The relay operates on a coil power of 1.6 W and includes a dust cover for sealing. It has a diode coil suppression (1N4005) with the cathode on the '86' terminal. Suitable for automotive and lamp accessories, it offers reliable switching with a maximum switching power of 630W and a coil resistance of 7.8 ohms. Designed for durability, it withstands operating temperatures from -40°C to +125°C.

Authorized Distributors
Source:DigiKey
Part No:A21ACQ12VDC1.6D
Stock:0
Inv Date:05-30-2026
Price: Unit price: $1.59848
Buy/RFQ:

CIT Relay and Switch A21ACQ12VDC16D Automotive Relay Specifications:

  • Voltage Rating: 12VDC
  • Coil Resistance: 7.8 ohms
  • Coil Power: 1.6W
  • Maximum Switching Power: 630W
  • Contact Arrangement: SPST N.O.
  • Contact Rating: 40A @ 14VDC
  • Sealing: Dust Cover
  • Operating Temperature: -40°C to +125°C
  • Dimensions: 26.00 x 26.00 x 24.5 mm
  • Terminal Type: Quick Connect
  • Shock Resistance: 147m/s2 for 11 ms
  • Vibration Resistance: 1.5mm double amplitude 10~40Hz
  • Dielectric Strength, Coil to Contact: 750V rms
  • Insulation Resistance: 100MΩ min @ 500VDC

Buy the Buy Circuit Interruptions Automotive Relay Part Number A21ACQ12VDC16D Online

Choose the automotive relay suitable for your vehicle or lamp application. This relay features a 12V DC coil, 40A switching capacity, quick connect terminals, and a dust cover for sealing. It operates in a single-pole single-throw configuration with a maximum power of 630W. The relay includes a coil suppression diode (1N4005) for enhanced durability and safety. Its robust construction withstands temperatures from -40°C to +125°C, ensuring long-lasting performance in demanding environments. Ideal for automotive and lighting industries, it guarantees dependable switching and easy installation for professional or DIY users.

Buy Circuit Interruptions automotive relay A21ACQ12VDC16D now and experience reliable switching capacity with sealed design and coil suppression diode.

Frequently Asked Questions

Where can I buy CIT Relay and Switch A21ACQ12VDC16D?

You can click on the BUY or RFQ button to purchase A21ACQ12VDC16D from an authorized CIT Relay and Switch distributor.

How do I troubleshoot issues or seek technical support for part A21ACQ12VDC16D?

You can download the A21ACQ12VDC16D datasheet or visit the CIT Relay and Switch website for support.

Who is the manufacturer of A21ACQ12VDC16D?

CIT Relay and Switch

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