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CIT Relay and Switch A51AS12VDC19 High Current Power Relay

This high-current power relay operates at 12V DC and is designed for reliable switching in automotive and industrial applications. It features a sealed standard PC layout with a contact arrangement of 1A, capable of handling up to 40A at 14VDC. The relay uses high-quality AgSnO2 contact material for low contact resistance below 50 milliohms and offers a coil power of 1.9 W with quick operate and release times. Its compact size of 25.8 x 20.5 x 20.8 mm ensures ease of installation in demanding environments with a temperature range from -40°C to +85°C. Suitable for controlling high current loads efficiently, it supports multiple mounting styles including open frame and sealed configurations, meeting safety and durability standards.

Authorized Distributors
Source:DigiKey
Part No:A51AS12VDC1.9
Stock:0
Inv Date:05-30-2026
Price: Unit price: $1.49476
Buy/RFQ:

CIT Relay and Switch A51AS12VDC19 High Current Power Relay Specifications:

  • Coil Voltage: 12VDC
  • Coil Resistance: Not specified
  • Contact Arrangement: 1A
  • Contact Resistance: < 50 milliohms
  • Contact Material: AgSnO2
  • Max Switching Power: 360W
  • Max Switching Current: 40A at 14VDC
  • Electrical Life: 10 million cycles typical
  • Mechanical Life: 100,000 cycles typical
  • Insulation Resistance: 100MΩ min. @ 500VDC
  • Dielectric Strength: 750V rms coil to contact, 500V rms contact to contact
  • Operate Time: 10 ms
  • Release Time: 10 ms
  • Operating Temperature Range: -40°C to +85°C
  • Storage Temperature Range: -40°C to +155°C
  • Solderability: 260°C for 5 seconds
  • Dimensions: 25.8 x 20.5 x 20.8 mm
  • Weight: 19g open, 21g covered

Buy the Buy Reliable Power Relay Part Number A51AS12VDC19 Online

Upgrade your control systems with this 12V DC power relay featuring a 40A capacity and sealed PC layout. Compact size, quick response times, and high durability make it ideal for automotive, automation, and industrial applications. Purchase online today to ensure your equipment operates smoothly with robust switching performance, excellent contact quality, and versatile mounting options that meet rigorous safety standards. Get the best value and fast delivery—order your power relay now!

Buy Citrelay A51AS12VDC19 now and experience unmatched reliability and high current switching in automotive and industrial applications.

Frequently Asked Questions

Where can I buy CIT Relay and Switch A51AS12VDC19?

You can click on the BUY or RFQ button to purchase A51AS12VDC19 from an authorized CIT Relay and Switch distributor.

How do I troubleshoot issues or seek technical support for part A51AS12VDC19?

You can download the A51AS12VDC19 datasheet or visit the CIT Relay and Switch website for support.

Who is the manufacturer of A51AS12VDC19?

CIT Relay and Switch

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