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CIT Relay and Switch A21ASQ24VDC19 Automotive Relay

This automotive relay features a quick connect terminal design, single pole single throw normally open contact arrangement, and operates at 24 V DC. Capable of switching up to 40 A, it is sealed for environmental protection, with a coil power consumption of 1.9 W, making it suitable for automotive and lamp accessories. The relay has a compact size of 26.0 x 26.0 x 24.5 mm, with a coil resistance of 303.2 Ω, and offers reliable performance across -40°C to +125°C. It’s ideal for high-current switching applications needing robust, sealed relay components.

Authorized Distributors
Source:DigiKey
Part No:A21ASQ24VDC1.9
Stock:0
Inv Date:05-30-2026
Price: Unit price: $1.68255
Buy/RFQ:

CIT Relay and Switch A21ASQ24VDC19 Automotive Relay Specifications:

  • Dimensions: 26.0 x 26.0 x 24.5 mm
  • Contact Resistance: < 30 milliohms
  • Contact Material: AgSnO2
  • Contact Arrangement: SPST N.O.
  • Maximum Switching Power: 630W
  • Maximum Switching Voltage: 75VDC
  • Maximum Switching Current: 40A at 14VDC
  • Coil Voltage: 24 VDC
  • Coil Power: 1.9 W
  • Coil Resistance: 303.2 Ω ± 10%
  • Release Time: 8.4 ms
  • Operate Time: 16.8 ms
  • Electrical Life @ Rated Load: 100,000 cycles
  • Mechanical Life: 10 million cycles
  • Insulation Resistance: 100 MΩ min. @ 500VDC
  • Dielectric Strength: 750V rms coil to contact, 500V rms contact to contact
  • Operating Temperature: -40°C to +125°C
  • Sealed: Yes
  • Weight: Not specified
  • Vibration Resistance: 1.5 mm amplitude, 10–40 Hz
  • Shock Resistance: 147 m/s² for 11 ms

Buy the CIT Relay & Switch Series Automotive Relay: A21ASQ24VDC19

Discover the high-quality automotive relay with quick connect terminals, capable of switching up to 40 A at 24 V DC. Its sealed construction ensures protection against environmental factors, making it ideal for automotive, lamp accessories, and industrial automation. Compact and lightweight at 26.0 x 26.0 x 24.5 mm, it boasts a coil resistance of 303.2 Ω and a coil power of 1.9 W. Reliable for high-current switching, it operates effectively between -40°C and +125°C, ensuring durability and performance in demanding applications.

Buy CIT Relay & Switch Series Automotive Relay A21ASQ24VDC19 now and experience unmatched reliability and performance with sealed design and high current handling.

Frequently Asked Questions

Where can I buy CIT Relay and Switch A21ASQ24VDC19?

You can click on the BUY or RFQ button to purchase A21ASQ24VDC19 from an authorized CIT Relay and Switch distributor.

How do I troubleshoot issues or seek technical support for part A21ASQ24VDC19?

You can download the A21ASQ24VDC19 datasheet or visit the CIT Relay and Switch website for support.

Who is the manufacturer of A21ASQ24VDC19?

CIT Relay and Switch

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