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CIT Relay and Switch A21CSQ12VDC19D Automotive Relay

This automotive relay features a quick connect terminal design and SPDT operation, supporting up to 40A current at 14VDC. It operates on 12 V DC with a coil power of 1.9W, ensuring reliable switching for automotive and lighting applications. The relay is sealed for protection, with coil suppression options including a diode (1N4005). It is available with different mounting options, sealing, and terminal types. Designed for durability under harsh conditions, it is suitable for various automotive and industrial switching needs.

Authorized Distributors
Source:DigiKey
Part No:A21CSQ12VDC1.9D
Stock:0
Inv Date:05-30-2026
Price: Unit price: $1.86658
Buy/RFQ:

CIT Relay and Switch A21CSQ12VDC19D Automotive Relay Specifications:

  • Dimensions: 26.0 x 26.0 x 24.5 mm
  • Contact Arrangement: SPDT
  • Contact Resistance: < 30 milliohms
  • Maximum Switching Power: 630W
  • Maximum Switching Voltage: 75VDC
  • Switching Current: 40A at 14VDC
  • Coil Voltage: 12 VDC
  • Coil Resistance: 15.6 ohms
  • Coil Power: 1.9W
  • Operate Time: 6 ms
  • Release Time: 1.2 ms
  • Electrical Life: 100,000 cycles
  • Mechanical Life: 10 million cycles
  • Insulation Resistance: 100MΩ at 500VDC
  • Dielectric Strength: 750V rms
  • Operating Temperature: -40°C to +125°C
  • Storage Temperature: -40°C to +155°C
  • Weight: 31g

Buy the Automotive Relay Series A2 SPDT Switch: A21CSQ12VDC19D

Enhance your automotive or industrial wiring with the reliable CIT automotive relay featuring SPDT switching and 40A capacity. Designed for high durability, sealed construction, and quick connect terminals, this relay ensures seamless switching in demanding environments. Operating at 12VDC with a coil power of 1.9W, it offers consistent performance with excellent coil suppression options such as diodes. Perfect for automotive lighting, control systems, and other demanding applications, order online today for fast delivery and trusted quality.

Order your CIT Series A2SPDT Automotive Relay with quick connect terminals today and give your automotive projects the dependable switching power they need.

Frequently Asked Questions

Where can I buy CIT Relay and Switch A21CSQ12VDC19D?

You can click on the BUY or RFQ button to purchase A21CSQ12VDC19D from an authorized CIT Relay and Switch distributor.

How do I troubleshoot issues or seek technical support for part A21CSQ12VDC19D?

You can download the A21CSQ12VDC19D datasheet or visit the CIT Relay and Switch website for support.

Who is the manufacturer of A21CSQ12VDC19D?

CIT Relay and Switch

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