Description
Honeywell R847A1085 Heavy Duty Relay Overview
The Honeywell R847A1085 is a heavy duty switching relay engineered for demanding HVAC control applications. Featuring a 120Vac primary voltage and selectable DPST or SPST switching action, this 2-wire relay delivers reliable performance in residential and light commercial systems. An integral transformer is included, simplifying installation and reducing the need for additional components.
Electrical Specifications
- Primary Voltage: 120Vac
- Switching Action: DPST or SPST (selectable)
- Wiring Configuration: 2-Wire
- Full Load Contact Rating: 22 Amp @ 120Vac / 10 Amp @ 240Vac
- Locked Rotor Contact Rating: 100 Amp @ 120Vac / 50 Amp @ 240Vac
- Includes Integral Transformer
Key Features & Benefits
- Heavy duty construction for long-lasting, reliable operation
- High locked rotor ratings (100A @ 120Vac) handle demanding motor loads at startup
- Selectable DPST or SPST switching provides installation flexibility
- Integral transformer eliminates the need for a separate control transformer
- 2-wire design simplifies field wiring and reduces installation time
- Suitable for controlling fan coil units, air handlers, and other HVAC equipment
Typical Applications
- Fan coil unit control
- Air handler switching
- Zone control systems
- Residential and light commercial HVAC equipment
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