Specifications

Hydronic Switching Relays
220 customer.honeywell.com 70-6910
RA89; RA832; R845 Hydronic Switching Relay
Provide intermediate switching of a line voltage device from a low
voltage controller.
• Integral transformer provides low voltage power for control circuit.
Application: Provide intermediate switching of a line voltage device
form a low voltage controller.
Dimensions, Approximate: 5 1/4 in. high x 4 1/4 in. wide x 2 5/16 in.
deep (133 mm high x 108 mm wide x 59 mm deep)
Electrical Connections (Control Circuit): 2-Wire
Electrical Rating: Maximum Input: 5.0 W
Transformer Primary Rating: 120 Vac, 50/60 Hz
Transformer Secondary Rating: 24 Vac
Coil Ratings:
Voltage:
24 Vac
Current: 0.4A
Thermostat Compatibility: Low voltage (Class 2) 2-wire
Temperature Range: 115 F maximum ambient for 60 Hz. 105 F Max.
Ambient for 50 Hz. (46 C maximum ambient for 60 Hz. 41 C maximum
ambient for 50 Hz.)
Includes: Integral transformer, enclosure
Approvals:
Canadian Standards Association: Certified: File No. LR1620
Underwriters Laboratories, Inc. Listed: File No. E4436, Guide No.
XAPX
Contact Electrical Ratings
Contacts Maximum
Connected Loaded
(120-240 Vac)
Main Contacts Secondary Contacts
120 Vac 240 Vac 120 Vac 240 Vac DC Rating
Millivolt
Rating
Pilot Duty
Rating
R845 2000 VA 7.4A AFL; 44.4A ALR;
10A Resistive
3.7A ALF; 22.2A ALR;
6.0A Resistive
3A ALF;
18A ALR
2A AFL;
12A ALR
— — 50 VA @ 24V
RA832 2000 VA 7.4A AFL; 44.4A ALR;
10A Resistive
3.7A ALF; 22.2A ALR;
6.0A Resistive
— — 1A @ 12 Vdc 300 mA min. @
750 mV
50 VA @ 24V
RA89 — 10.2A AFL; 61.2A
ALR; 10A Resistive
5.1AA ALF; 30.6A
ALR; 6.0A Resistive
——— — —
Product Number
Electrical
Ratings:
Primary Voltage Switching Action Description
* R845A1030 120V, 50/60 Hz DPST; one pole line voltage, the
other line or low voltage
Switching relay with internal transformer, provides Dpst switching for hot water
zone control systems, or spst control of two separate loads.
* RA832A1066 120V, 50/60 Hz DPST; one pole line voltage, the
other low voltage or millivolt
Switching Relay with internal transformer, for switching two line voltage loads
having a common power source.
* RA832A1074 240V, 50/60 Hz DPST; one pole line voltage, the
other low voltage or millivolt
Switching Relay with internal transformer, for switching two line voltage loads
having a common power source.
* RA89A1074 120V, 50/60 Hz SPST Switching Relay with internal transformer, for switching one line voltage load.
* TRADELINE models • SUPER TRADELINE models