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CIT Relay and Switch A51AS12VDC16 Power Relay

This 12V DC power relay features a single-pole, single-throw (SPST) configuration with a contact rating of 40A, ideal for automotive and lamp applications. Its compact design includes a PC board terminal, providing ease of mounting and integration. The relay operates with a coil power of 1.6W and is designed for reliable switching with a contact resistance of less than 50 milliohms. It boasts a sealed standard PC layout, ensuring durability and stable performance in various environments, including industrial and automation systems.

Authorized Distributors
Source:DigiKey
Part No:A51AS12VDC1.6
Stock:621
Inv Date:05-30-2026
Price: Unit price: $2.09
Buy/RFQ:

CIT Relay and Switch A51AS12VDC16 Power Relay Specifications:

  • Contact Rating: 40A @ 14VDC, 20A @ 120VAC, 15A @ 28VDC
  • Contact Resistance: less than 50 milliohms
  • Coil Voltage: 12VDC
  • Coil Resistance: specified by manufacturer
  • Coil Power: 1.6W
  • Dimensions: 25.8 x 20.5 x 20.8 mm
  • Operating Temperature: -40°C to +85°C
  • Storage Temperature: -40°C to +155°C
  • Insulation Resistance: 100MΩ min. @ 500VDC
  • Dielectric Strength: 750V rms coil to contact, 500V rms contact to contact
  • Electrical Life: 10 million cycles (typical)
  • Mechanical Life: 100,000 cycles (typical)
  • Shock Resistance: 200 m/s² for 11 ms
  • Vibration Resistance: 10-40 Hz, 1.27mm amplitude
  • Weight: 19g (open); 21g (sealed)

Buy the Citrelay 12VDC – Reliable Power Relay for Industrial Applications

Order the Citrelay 12VDC power relay online today to ensure reliable switching in automotive, industrial, and control systems. With a contact rating of 40A, compact size, and sealed standard layout, this relay is designed for durability and efficiency. Its small form factor and PC board mounting options make installation straightforward, providing dependable operation under diverse environmental conditions. Perfect for automation, lighting, and automotive accessories, this relay guarantees performance with minimal maintenance and long-lasting service life. Purchase now for seamless integration into your systems.

Get Citrelay 12VDC relay today—built for precision and long-lasting durability in automotive and automation systems.

Frequently Asked Questions

Where can I buy CIT Relay and Switch A51AS12VDC16?

You can click on the BUY or RFQ button to purchase A51AS12VDC16 from an authorized CIT Relay and Switch distributor.

How do I troubleshoot issues or seek technical support for part A51AS12VDC16?

You can download the A51AS12VDC16 datasheet or visit the CIT Relay and Switch website for support.

Who is the manufacturer of A51AS12VDC16?

CIT Relay and Switch

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