Brochure

63-8702 43
RA89; RA832; R845 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 120V 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
– 10.2A;
240 Vac –
5.1A
At 120 Vac
– 61.2A;
240 Vac –
30.6A
This 120V Switching Relay
with internal transformer,
provides intermediate
SPST switching of a line
voltage device from a low
voltage controller.
Hydronic Switching Relays