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CIT Relay and Switch A21CSP24VDC19R Automotive Relay

This automotive relay with PCB pin terminals offers reliable switching with a single pole double throw (SPDT) contact configuration, capable of handling up to 40 A at 14 VDC. Designed for durability, it is sealed and features a 24 VDC coil voltage, with a coil power consumption of 1.9 W. It includes a 680 Ohm resistor for coil suppression, ensuring stable operation. The relay is suitable for automotive and lamp accessory applications, providing a compact, lightweight solution with quick connect mounting options and RoHS compliance.

Authorized Distributors
Source:DigiKey
Part No:A21CSP24VDC1.9R
Stock:0
Inv Date:05-30-2026
Price: Unit price: $1.9332
Buy/RFQ:

CIT Relay and Switch A21CSP24VDC19R Automotive Relay Specifications:

  • Dimensions: 26.0 x 26.0 x 24.5 mm
  • Sealing: Sealed
  • Contact Arrangement: SPDT
  • Contact Resistance: < 30 milliohms
  • Maximum Switching Power: 630W
  • Maximum Switching Voltage: 75VDC
  • Maximum Switching Current: 40A at 14VDC
  • Coil Voltage: 24 VDC
  • Coil Power: 1.9W
  • Coil Resistance: 31.2 ohms
  • Pick Up Voltage: 22.5 VDC
  • Release Voltage: 19 VDC
  • Operate Time: 4.20 ms
  • Release Time: 6 ms
  • Electrical Life: 100K cycles
  • Mechanical Life: 10 million cycles
  • Operating Temperature: -40°C to +125°C
  • Storage Temperature: -40°C to +155°C
  • Weight: 31g
  • Insulation Resistance: 100MΩ at 500VDC
  • Dielectric Strength: 750V rms (coil to contact)
  • Shock Resistance: 147 m/s² for 11 ms
  • Vibration Resistance: 1.5 mm double amplitude, 10-40Hz

Buy the Automotive Relay Series A2 SPDT: A21CSP24VDC19R

Order the automotive relay with SPDT contact configuration online today to ensure reliable switching capacity of 40A at 24 VDC. Featuring sealed design, compact size, and coil suppression resistor for stable operation, this relay is perfect for automotive and lighting accessories. With quick connect mounting options, RoHS compliance, and robust durability, it delivers exceptional performance. Enhance your electrical systems with this high-quality, lightweight relay that guarantees long life and consistent switching performance, all available for easy online purchase.

Buy automotive relay Series A2 with SPDT contact arrangement and 24 VDC coil now and experience unmatched reliability and performance in your automotive or lighting projects.

Frequently Asked Questions

Where can I buy CIT Relay and Switch A21CSP24VDC19R?

You can click on the BUY or RFQ button to purchase A21CSP24VDC19R from an authorized CIT Relay and Switch distributor.

How do I troubleshoot issues or seek technical support for part A21CSP24VDC19R?

You can download the A21CSP24VDC19R datasheet or visit the CIT Relay and Switch website for support.

Who is the manufacturer of A21CSP24VDC19R?

CIT Relay and Switch

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