myMectronic
myMectronic

A Premier B2B Part Search

CIT Relay and Switch A21ASQ24VDC19R Automotive Relay

This is an automotive relay with a quick connect terminal shape, featuring a single-pole single-throw (SPST N.O.) contact arrangement. It operates on a 24 VDC coil voltage and can handle a current of up to 40 A. The relay has a single side stable switching function and is designed to be sealed for protection against environmental factors. It consumes 1.9 W of coil power and is equipped with a resistor (680 Ohms) for coil suppression. Ideal for automotive and lamp accessory applications, this relay offers reliable performance in harsh conditions with RoHS compliance.

Authorized Distributors
Source:DigiKey
Part No:A21ASQ24VDC1.9R
Stock:0
Inv Date:05-30-2026
Price: Unit price: $1.71613
Buy/RFQ:

CIT Relay and Switch A21ASQ24VDC19R Automotive Relay Specifications:

  • Dimensions: 26.0 x 26.0 x 24.5 mm
  • Operating Temperature: -40°C to +125°C
  • Coil Voltage: 24VDC
  • Coil Power: 1.9W
  • Coil Resistance: 680Ω
  • Contact Arrangement: SPST N.O.
  • Maximum Switching Power: 630W
  • Maximum Switching Current: 40A at 14VDC
  • Contact Resistance: <30 milliohms
  • Contact Material: AgSnO2
  • Electrical Life at Rated Load: 100,000 cycles
  • Mechanical Life: 10 million cycles
  • Insulation Resistance: >100MΩ at 500VDC
  • Dielectric Strength: 750V rms coil to contact, 500V rms contact to contact
  • Shock Resistance: 147 m/s² for 11 ms
  • Vibration Resistance: 1.5mm double amplitude 10-40Hz
  • Terminal: Quick connect
  • Sealing Option: Sealed

Buy the Citrelay Series A2 Automotive Relay: A21ASQ24VDC19R

Experience reliable switching with the Citrelay Series A2 automotive relay, featuring 24VDC operation, 40A current capacity, sealed protective design, and quick connect terminals. Perfect for automotive and lamp accessories, this relay offers high switching power with minimal contact resistance. Its robust construction withstands extreme temperatures from -40°C to +125°C, ensuring consistent performance even in harsh environments. The relay's coil suppression resistor enhances durability, making it an ideal choice for automotive applications requiring dependable and long-lasting switching solutions. Shop online now for fast delivery and excellent performance.

Get Citrelay Series A2 automotive relay with quick connect terminals, 24V DC coil, 40A capacity, sealed design, and coil suppression resistor today—built for automotive reliability and long-lasting durability.

Frequently Asked Questions

Where can I buy CIT Relay and Switch A21ASQ24VDC19R?

You can click on the BUY or RFQ button to purchase A21ASQ24VDC19R from an authorized CIT Relay and Switch distributor.

How do I troubleshoot issues or seek technical support for part A21ASQ24VDC19R?

You can download the A21ASQ24VDC19R datasheet or visit the CIT Relay and Switch website for support.

Who is the manufacturer of A21ASQ24VDC19R?

CIT Relay and Switch

CIT Relay and Switch Part List

Browse and search other CIT Relay and Switch parts, locate datasheets and stock

Sponsored by