RA89; RA832; R845
Hydronic Switching Relay
User Manual
RA89 Hydronic Switching Relay
Provides intermediate switching of a line voltage device from a low voltage controller.
• Integral transformer provides low voltage power for control circuit
Input Voltage: 120V
Electrical Connections: Control Circuit- 2-Wire
Frequency: 50 Hz; 60 Hz
Coil Ratings Voltage: 24 Vac
Coil Ratings Current: 0.4A
Electrical Ratings: Maximum Input-5.0 W
Contact Ratings (resistive): At 120 Vac –10A; 240 Vac – 6.0A
Temperature Ratings: 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.)
Approximate, Dimensions: 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)
Approvals, CSA: Certified: File No. LR1620
Approvals, Underwriters Laboratories Inc.: Listed: File No. E4436, Guide No. XAPX
Includes: Integral transformer, enclosure Tradeline Value: Tradeline
| Material Number | Application | Switching | Electrical Ratings, Contacts | Contact Ratings (AFL) | Contact Ratings (ALR) | Pilot Duty Ratings | Description | Comment |
| R845A1030/U | Enclosed intermediate DPST switching relay for 24 volt 2 wire thermostat control of one line voltage and one line or low voltage devices. 120 volt primary power supply. | DPST; one pole line voltage, the other line or low voltage | Maximum connected load is 2000 VA (120 Vac to 240 Vac) | At 120 Vac — 7.4A; 240 Vac — 3.7A: Secondary — at 120 Vac 3A; at 240 Vac 2A | At 120 Vac — 44.4A; 240 Vac —22.2A: Secondary — at 120 Vac 18A; at 240 Vac 12A | Secondary — 50 VA @ 24V | This 120V, 60 Hz Switching relay with internal transformer, provides DPST switching for hot water zone control systems, or SPST control of two separate loads. | Thermostat Compatibility — Low voltage (Class 2) 2-wire |
| RA832A1066/U | Provide intermediate DPST switching of a line voltage device from a low voltage controller. | DPST; one pole line voltage, the other low voltage or millivolt | Maximum connected load is 2000 VA (120 Vac to 240 Vac); Secondary DC Rating — 1A @ 12 Vdc; Secondary millivolt Rating — 300 mA min. @ 750 mV | At 120 Vac — 7.4A AFL; 240 Vac — 3.7A | At 120 Vac — 44.4A; 240 Vac — 22.2A | Secondary — 50 VA @ 24V | This 1 20V Switching Relay with internal transformer is used for DPST switching of two line voltage loads having a common power source. | |
| RA89A1074/U | Provide intermediate SPST switching of a line voltage device from a low voltage controller. | SPST | At 120 Vac At 120 Vac — 10.2A; — 61.2A; 240 Vac — 240 Vac — 5.1A 30.6A | At 120 Vac – 61.2A; 240 Vac – 30.6A | This 1 20V Switching Relay with internal transformer, provides intermediate SPST switching of a line voltage device from a low voltage controller. |
63-8702
