myMectronic
myMectronic

A Premier B2B Part Search

CIT Relay and Switch A21CSP24VDC19D Automotive Relay

This is a 24 VDC automotive relay with PCB pin terminals. It features a single pole double throw contact arrangement rated for 40 A, designed for high current switching. The relay is sealed, suitable for automotive and lamp accessories, with a coil power consumption of 1.9 W and includes a diode for coil suppression with cathode on the '86' terminal. It offers reliable operation with a maximum switching power of 630W, operating temperature from -40°C to +125°C, and complies with RoHS standards. Its dimensions are approximately 26.0 x 26.0 x 24.5 mm, making it compact and versatile.

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

CIT Relay and Switch A21CSP24VDC19D Automotive Relay Specifications:

  • Operating Voltage: 24VDC
  • Coil Power: 1.9W
  • Contact Arrangement: SPDT
  • Contact Resistance: <30 milliohms
  • Maximum Switching Power: 630W
  • Switching Current: 40A at 14VDC
  • Electrical Life: 100K cycles
  • Mechanical Life: 10M cycles
  • Operating Temperature: -40°C to +125°C
  • Storage Temperature: -40°C to +155°C
  • Dimensions: 26.0 x 26.0 x 24.5 mm
  • Sealed or Dust Cover options available
  • Includes coil suppression diode with cathode on '86' terminal
  • RoHS Compliant
  • Construction: Copper alloy terminals, sealed design
  • Shock Resistance: 147m/s²
  • Vibration Resistance: 1.5mm at 10-40Hz
  • Contact Material: AgSnO₂
  • Insulation Resistance: 100MΩ @ 500VDC
  • Dielectric Strength: 750V rms coil to contact

Buy the Innovative Series Automotive Relay: 24VDC 40A SPDT Compact Switch

Order the CIT automotive relay with 24VDC operation and a 40A switching capacity online today. This sealed SPDT relay features coil suppression diode and compact dimensions, perfect for automotive and lighting applications. Manufactured to high standards with RoHS compliance, it offers excellent durability, electrical and mechanical life, and reliable high-current switching. With easy PCB or quick connect terminals, it guarantees seamless integration into your electrical systems. Buy online now for swift delivery and exceptional performance.

Buy CIT relay 24VDC automotive relay now and experience unmatched reliability and performance with its sealed design and high current capacity.

Frequently Asked Questions

Where can I buy CIT Relay and Switch A21CSP24VDC19D?

You can click on the BUY or RFQ button to purchase A21CSP24VDC19D from an authorized CIT Relay and Switch distributor.

How do I troubleshoot issues or seek technical support for part A21CSP24VDC19D?

You can download the A21CSP24VDC19D datasheet or visit the CIT Relay and Switch website for support.

Who is the manufacturer of A21CSP24VDC19D?

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