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CIT Relay and Switch A21ACQ12VDC19 Automotive Relay

This automotive relay features a quick connect terminal design, with a single-pole, single-throw normally open contact arrangement. Operating on 12 V DC, it supports a maximum current of 40 A and includes a dust cover for enhanced sealing. The relay is designed for reliable switching with a coil power consumption of 1.9 W, and it has a coil resistance suitable for quick and stable operation. Certified with RoHS compliance, it is ideal for automotive and lamp accessory applications, offering durability and efficient performance under harsh conditions.

Authorized Distributors
Source:DigiKey
Part No:A21ACQ12VDC1.9
Stock:0
Inv Date:05-30-2026
Price: Unit price: $1.56478
Buy/RFQ:

CIT Relay and Switch A21ACQ12VDC19 Automotive Relay Specifications:

  • Dimensions: 26.0 x 26.0 x 24.5 mm (39.5 mm with spacer)
  • Operating Temperature: -40°C to +125°C
  • Coil Voltage: 12 VDC
  • Coil Resistance: 15.6 ohms (approximate)
  • Coil Power: 1.9 W
  • Maximum Switching Power: 630W
  • Maximum Switching Current: 40A at 14VDC
  • Contact Material: AgSnO2 (Silver Tin Oxide)
  • Contact Arrangement: SPST N.O.
  • Terminal Type: Quick Connect and PCB Pins
  • Sealing: Dust Cover included
  • Insulation Resistance: 100MΩ min @ 500VDC
  • Dielectric Strength: 750V rms coil to contact, 500V rms contact to contact
  • Mechanical Life: 10 million cycles
  • Electrical Life: 100K cycles at rated load

Buy the Buy Circuit Interruptions Automotive Relay Part Number A21ACQ12VDC19 Online

Secure your automotive applications with our high-quality relay, featuring quick connect terminals, 12 VDC coil voltage, supporting up to 40A current. Its dust cover provides sealed protection for reliable operation in harsh environments. The relay’s coil consumes only 1.9 W, ensuring energy-efficient performance. Certified for RoHS compliance, it is suitable for automotive and lamp accessories, offering durability, quick switching, and long operational life, making it the ideal choice for dependable vehicle electrical systems.

Buy Circuit Interruptions automotive relay with part number A21ACQ12VDC19 now and experience reliable switching, sealed protection, and efficient automotive performance.

Frequently Asked Questions

Where can I buy CIT Relay and Switch A21ACQ12VDC19?

You can click on the BUY or RFQ button to purchase A21ACQ12VDC19 from an authorized CIT Relay and Switch distributor.

How do I troubleshoot issues or seek technical support for part A21ACQ12VDC19?

You can download the A21ACQ12VDC19 datasheet or visit the CIT Relay and Switch website for support.

Who is the manufacturer of A21ACQ12VDC19?

CIT Relay and Switch

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