Honeywell RC840T-277/U Electromechanical Relay

HONRC840T277U MFG #: RC840T-277/U
  • Contact Form: On/Off
  • Dimensions: 3-7/32 in W x 2-9/32 in H x 1-13/32 in D
  • Frequency Rating: 60
  • Manufacturer: Honeywell
  • Manufacturer #: RC840T-277/U
  • Specifications: -4 to 140 deg F
  • Voltage Rating: 277
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
  • Features
  • Includes
  • 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