Brochure

42 63-8702
R847 Heavy Duty Relay
Designed for control of relatively heavy duty 120 or 240 Vac electrical
loads such as cooling compressors.
• Internal, flexible leads permit SPST or DPST switching.
Application: Enclosed heavy duty DPST or SPST switching relay for 24
volt 2-wire thermostat control of high-current loads such as cooling
compressors. 120 volt primary power supply.
Electrical Connections: Main- 2-Wire; Control Circuit- 2-Wire
Coil Ratings Voltage: 24 Vac; Maximum Pull-in Voltage-2.0 A
Coil Ratings: 8.4 VA (Sealed); 21.4 VA (inrush)
Coil Ratings Current: 0.4A
Contact Ratings (AFL): 22A @ 120 Vac: 10A @ 240 Vac
Contact Ratings (ALR): 120 Vac – 100A; 240 Vac – 50A
Approximate, Dimensions: 5 1/4 in. high x 4 1/4 in. wide x 2 3/4 in.
deep (133 mm high x 108 mm wide x 70 mm deep)
Approvals, CSA: Certified: File No. LR1620
Approvals, Underwriters Laboratories Inc.: Listed: File No. SA481,
Guide No. SDF4
Tradeline Value: Tradeline
R847A wired to break one side of the circuit with SPST switching.
M16562
POWER
SUPPLY
MOVE
FLEXIBLE
LEAD
TO L1
THERMOSTAT
R847A
T
T
L1
3
4
L2
LOAD
ADD
JUMPER
Material Number Input Voltage Frequency Switching Description Includes
R847A1085/U 120V 50 Hz; 60 Hz DPST or SPST This 120V, 50 Hz or 60 Hz Heavy Duty Switching Relay with integral transform,
and DPST or SPST line voltage relays, is used for 24 volt 2-wire thermostat control
of high-current loads such as cooling compressors.
Integral transformer,
enclosure
R856 Control Center
Provides 24 volt control of line voltage motors, fans, blowers, or
pumps up to 1 hp.
• Integral 45 VA transformer to supply low voltage power for the
system.
• Low voltage terminal strip for easy thermostat and panel
connections.
Application: Enclosed fan center for 24 volt control of a line voltage
motor, evaporator fan, or pump up to 1 horsepower. Includes wring
terminal board and 45 VA transformer.
Input Voltage: 120V
Frequency: 60 Hz
Coil Ratings: 6 VA (Sealed); 11 VA (inrush)
Coil Ratings Current: 0.22A
Electrical Ratings, Contacts: Horsepower – 3/4 hp N.O.; 1/2 hp N.C.
Contact Ratings (AFL): 14.0A N.O.; 10.0A N.C. @ 120 Vac
Contact Ratings (ALR): 120 Vac – 84.0A N.C., 80.0A N.C.
Approximate, Dimensions: 7 1/8 in. high x 4 1/2 in. wide x 3 5/16 in.
deep (181 mm high x 114 mm wide x 84 mm deep)
Approvals, CSA: Certified: File No. LR95329-1
Approvals, Underwriters Laboratories Inc.: Listed: File No. E4436, Vol.
6 Sec. 9
Includes: External transformer, enclosure
Material Number Coil Ratings Voltage Switching
R856B1002/U 24 Vac SPST
Hydronic Switching Relays