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CIT Relay and Switch A51CO12VDC19 High-current Power Relay

This power relay features a single-pole, single-throw contact configuration, suitable for use in automotive and industrial applications. Operating at 12 VDC, it supports a switching current of up to 40 A and features an open frame design for easy integration. The relay is sealed with a standard sealing option, making it suitable for varied environments. Its coil power consumption is 1.9 W, ensuring efficient operation with a coil resistance of 15.6 ohms. The relay offers high electrical and mechanical durability, with a working temperature range from -40°C to +85°C.

Authorized Distributors
Source:DigiKey
Part No:A51CO12VDC1.9
Stock:0
Inv Date:05-30-2026
Price: Unit price: $1.51026
Buy/RFQ:

CIT Relay and Switch A51CO12VDC19 High-current Power Relay Specifications:

  • Contact Arrangement: Single-Pole, Single-Throw (SPST N.C.)
  • Contact Material: AgSnO2
  • Maximum Switching Power: 360W
  • Switching Current: 40A at 14VDC
  • Switching Voltage: 75VDC
  • Coil Voltage: 12VDC
  • Coil Resistance: 15.6 Ohms
  • Coil Power: 1.9W
  • Pick Up Voltage: 90VDC
  • Release Voltage: 75.8VDC
  • Operating Temperature: -40°C to +85°C
  • Electrical Life: 100K cycles
  • Mechanical Life: 10 million cycles
  • Insulation Resistance: 100MΩ @ 500VDC
  • Dielectric Strength (Coil to Contact): 750V rms
  • Weight: 21g
  • Sealing: Open or Standard PC layout

Buy the Buy Power Relay Power Switch Part Number A51CO12VDC19 Online

Order the high-current power relay with a 12VDC coil voltage, supporting a switching capacity of 40A. Its robust design features an open frame, sealed options, and a coil power consumption of 1.9W. Ideal for automotive, industrial, and automation systems needing durable switching components. This relay boasts long electrical and mechanical life, maximum switching power of 360W, and excellent insulation resistance. It is engineered to operate reliably within a temperature range of -40°C to +85°C, ensuring consistent performance in demanding environments.

Get Power Relay Power Switch A51CO12VDC19 today—designed for high-current automotive and industrial applications with reliable performance.

Frequently Asked Questions

Where can I buy CIT Relay and Switch A51CO12VDC19?

You can click on the BUY or RFQ button to purchase A51CO12VDC19 from an authorized CIT Relay and Switch distributor.

How do I troubleshoot issues or seek technical support for part A51CO12VDC19?

You can download the A51CO12VDC19 datasheet or visit the CIT Relay and Switch website for support.

Who is the manufacturer of A51CO12VDC19?

CIT Relay and Switch

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