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Essential Honeywell Rc840 Electromechanical 120 To 347 - Us Warehouse [Bk5ZrwSP]

$20.99 $67.99 -69%

Optimize your electrical system with the Honeywell RC840 Electromechanical Relay. Designed for versatility, it supports voltage inputs from 120V to 347V, making it ideal for various applications. This easy-to-install relay ensures instant activation

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Essential Honeywell Rc840 Electromechanical 120 To 347 - Us Warehouse [Bk5ZrwSP]

Optimize your electrical system with the Honeywell RC840 Electromechanical Relay. Designed for versatility, it supports voltage inputs from 120V to 347V, making it ideal for various applications. This easy-to-install relay ensures instant activation and seamless compatibility with 2- and 3-wire 24V thermostats, providing reliable performance and enhanced control.

Specifications:

Brand HONEYWELL
Manufacture Honeywell International Inc.
Unit of Measurement EA (Each)
TYPE Transformer
Condition New
Weight 11.2 oz.
Input Voltage 120 VAC, 208 VAC, 240 VAC, 277 VAC, 347 VAC
Temperature Rating -4°F to 140°F
Storage Temperature -40°F to 175°F
Operating Humidity 0% to 95% (non-condensing)
Frequency 60 Hz


Features:

  • Direct replacement for any brand name relay
  • Compatible with 24V thermostats with 2-wire connections (R,W) or 3-wire connections (R,W,C)
  • Immediate relay activation provides improved temperature control and comfort
  • Epoxy-soundproofed relay ensures quiet operation
  • Terminal board connection enables easy installation
  • Low current consumption means multiple relays can be controllers by a single thermostat

What Our Customers Say

January 27, 2026

Absolutely no complaints!

A top product at a good price.

- Messiah J..

January 27, 2026

Absolutely no complaints!

Very satisfied with this order.

- David H..

January 27, 2026

Absolutely no complaints!

It has my highest recommendation.

- Rylee V..

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