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CIT Relay and Switch A2S1ASQ12VDC19 Automotive Relay

This is a 12 V DC automotive relay with a quick connect terminal shape designed for switching applications up to 40 A. It features a single-pole single-throw normally open contact configuration, suitable for automotive and lamp accessory use. The sealed relay operates reliably in demanding environments, consuming 1.9 W of coil power with standard coil suppression. Its compact size and light weight make it ideal for tight spaces, while its robust construction ensures durability and long life, supporting frequent switching cycles and environmental resistance.

Authorized Distributors
Source:DigiKey
Part No:A2S1ASQ12VDC1.9
Stock:0
Inv Date:05-30-2026
Price: Unit price: $2.45578
Buy/RFQ:

CIT Relay and Switch A2S1ASQ12VDC19 Automotive Relay Specifications:

  • Contact Arrangement: SPST N.O.
  • Maximum Switching Power: 630W
  • Maximum Switching Current: 40A at 14VDC
  • Coil Voltage: 12VDC
  • Coil Resistance: 15.6 Ohms
  • Coil Power: 1.9W
  • Operating Voltage Range: 10% to 70% of rated voltage
  • Contact Resistance: <30 milliohms initial
  • Dielectric Strength: 750V rms between coil and contact
  • Electrical Life: 100K cycles at rated load
  • Mechanical Life: 10 million cycles
  • Operating Temperature: -40°C to +125°C
  • Storage Temperature: -40°C to +155°C
  • Shock Resistance: 147 m/s² for 11 ms
  • Vibration Resistance: 1.5 mm double amplitude, 10-40Hz
  • Weight: 31g

Buy the CIT Series Automotive Relay: 12VDC, 40A, Sealed, Quick Connect - A2S1ASQ12VDC19

Purchase the CIT automotive relay with 12VDC coil and a switching capacity of 40A online today. This durable, sealed relay with quick connect terminals is ideal for automotive and lighting applications. It offers reliable performance with standard coil suppression, supporting frequent switching cycles and environmental resistance. Compact and lightweight, it fits easily into tight spaces in vehicles or industrial equipment. Its proven durability and precision design ensure long-term operation in demanding conditions, making it the perfect choice for professional use or DIY projects.

Get CIT automotive relay with 12VDC coil and 40A switching capacity today—built for high power switching, environmental protection, and long-lasting durability.

Frequently Asked Questions

Where can I buy CIT Relay and Switch A2S1ASQ12VDC19?

You can click on the BUY or RFQ button to purchase A2S1ASQ12VDC19 from an authorized CIT Relay and Switch distributor.

How do I troubleshoot issues or seek technical support for part A2S1ASQ12VDC19?

You can download the A2S1ASQ12VDC19 datasheet or visit the CIT Relay and Switch website for support.

Who is the manufacturer of A2S1ASQ12VDC19?

CIT Relay and Switch

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