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- Compatible with 2- and 3-wire thermostat, this all-in-one relay includes a built-in 24 V transformer.
Electromechanical Relay, 277 VAC, 60 Hz, On/Off, For Use With: Model TH140-28-01-B, TH135-01-B, TH114-A-024T, TH115-A-024T Programmable Hydronic Heating Thermostat, -4 to 140 deg F, 3-7/32 in W x 2-9/32 in H x 1-13/32 in D
- Direct replacement for any brand name relay
- Built-in 24 V transformer for easy installation
- 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
- 24V/40 mA /1.2 VA control signal
- 19 A at 277 VAC transformer
- 12 AWG terminal wire
- 0 to 95% RH, non-condensing operating humidity
- 24 V transformer
- Lock-nut
- Contact FormOn/OffDimensions3-7/32 in W x 2-9/32 in H x 1-13/32 in DFrequency Rating60ManufacturerHoneywellManufacturer #RC840T-277/USpecifications-4 to 140 deg FVoltage Rating277