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CIT Relay and Switch A21ACQ12VDC16 Automotive Relay

This automotive relay is designed for automotive and lamp accessory applications, featuring a single pole single throw normally open contact arrangement with a 12 V DC coil. It handles up to 40A switching capacity, suitable for high current loads. The relay offers options for sealing and mounting, including dust cover, PCB pins, and quick connect terminals. It operates reliably within a temperature range of -40°C to +125°C, with a compact size of approximately 26 mm x 26 mm x 24.5 mm. Designed for durability, it includes standard coil suppression and has a RoHS-compliant construction for environmentally friendly use.

Authorized Distributors
Source:DigiKey
Part No:A21ACQ12VDC1.6
Stock:0
Inv Date:05-30-2026
Price: Unit price: $1.56478
Buy/RFQ:

CIT Relay and Switch A21ACQ12VDC16 Automotive Relay Specifications:

  • Dimensions: 26.0 x 26.0 x 24.5 mm
  • Operating Temperature: -40°C to +125°C
  • Contact Resistance: < 30 milliohms
  • Contact Material: AgSnO2
  • Maximum Switching Power: 630W
  • Maximum Switching Voltage: 75VDC
  • Contact Ratings: 40A @ 14VDC, 30A @ 14VDC, 130A N.C.
  • Coil Voltage: 12VDC
  • Coil Resistance: 15.6 ohms
  • Coil Power: 1.6W
  • Operate Time: 22.5 ms
  • Release Time: 19 ms
  • Electrical Life: 100,000 cycles
  • Mechanical Life: 10 million cycles
  • Insulation Resistance: 100MΩ @ 500VDC
  • Dielectric Strength: 750V rms coil to contact, 500V rms contact to contact
  • Weight: 31 g

Buy the Buy Automotive Relay Part Number A21ACQ12VDC16 Online

Purchase the A21ACQ12VDC16 automotive relay online for your automotive electrical projects. Designed for high current loads up to 40A, this relay features a compact size, quick connect terminals, and a dust cover for protection. Ideal for automotive lighting and accessories, it operates efficiently within a wide temperature range. Reliable and RoHS-compliant, it offers excellent durability, fast switching times, and long-lasting performance. Order now to ensure your vehicle's electrical systems operate smoothly with this high-quality relay.

Get A21ACQ12VDC16 automotive relay today—compact, reliable, and suitable for high-current automotive and lighting applications. Perfect for durable, high-performance switching.

Frequently Asked Questions

Where can I buy CIT Relay and Switch A21ACQ12VDC16?

You can click on the BUY or RFQ button to purchase A21ACQ12VDC16 from an authorized CIT Relay and Switch distributor.

How do I troubleshoot issues or seek technical support for part A21ACQ12VDC16?

You can download the A21ACQ12VDC16 datasheet or visit the CIT Relay and Switch website for support.

Who is the manufacturer of A21ACQ12VDC16?

CIT Relay and Switch

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