Industrial Controls RA89 Hydronic Switching Relay User Manual
- June 8, 2024
- Industrial Controls
Table of Contents
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
Documents / Resources
|
Industrial Controls RA89 Hydronic Switching
Relay
[pdf] User Manual
RA89 Hydronic Switching Relay, RA89, Hydronic Switching Relay, Switching Relay
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