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CIT Relay and Switch A51AO12VDC16 Power Relay

This power relay is suitable for PCB mounting with a 12 VDC coil, consuming 1.6 W of power. It supports a 40A current rating and features a single-pole, single-throw (SPST) normally open contact arrangement. The relay is designed for reliable switching in automotive and industrial applications, with an open-frame sealing configuration for ease of integration. It is built to operate within a temperature range of -40°C to +85°C, offering excellent durability, electrical life of 100,000 cycles, and high insulation resistance. Compact and lightweight at 19g, it is ideal for various high-current switching tasks.

Authorized Distributors
Source:DigiKey
Part No:A51AO12VDC1.6
Stock:23
Inv Date:05-30-2026
Price: Unit price: $1.95
Buy/RFQ:

CIT Relay and Switch A51AO12VDC16 Power Relay Specifications:

  • Contact Arrangement: SPST N.O.
  • Maximum Switching Power: 360W
  • Rated Current: 40A @ 14VDC
  • Maximum Switching Voltage: 75VDC
  • Coil Voltage: 12VDC
  • Coil Resistance: 15.6 ohms
  • Coil Power: 1.6W
  • Operating Temperature: -40°C to +85°C
  • Electrical Life: 100K cycles
  • Mechanical Life: 10 million cycles
  • Insulation Resistance: 100MΩ min. @ 500VDC
  • Dielectric Strength: 750V rms (coil to contact), 500V rms (contact to contact)
  • Shock Resistance: 200 m/s² for 11 ms
  • Vibration Resistance: 1.27mm double amplitude 10-40Hz
  • Solderability: 260°C for 5 seconds
  • Weight: 19g (open frame)

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

Purchase the Citrelay 12VDC Power Relay online today and ensure your automotive or industrial projects benefit from high current capacity and reliable performance. With a 40A contact rating, SPST configuration, and durable open-frame design, this relay offers easy PCB mounting and excellent electrical life. Compact at only 19 grams, it is perfect for space-sensitive applications requiring robust switching solutions. Enjoy quick delivery, assured quality, and seamless integration for all your high-current control needs.

Order your Citrelay 12VDC Power Relay today and give your projects the dependable quality they deserve with high-current switching capability and compact design.

Frequently Asked Questions

Where can I buy CIT Relay and Switch A51AO12VDC16?

You can click on the BUY or RFQ button to purchase A51AO12VDC16 from an authorized CIT Relay and Switch distributor.

How do I troubleshoot issues or seek technical support for part A51AO12VDC16?

You can download the A51AO12VDC16 datasheet or visit the CIT Relay and Switch website for support.

Who is the manufacturer of A51AO12VDC16?

CIT Relay and Switch

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