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Environmental & Combustion Controls
R845A1030
120V, 60 Hz Switching Relay with internal transformer, for Dpst switching of line voltage and either line or low voltage loads

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Overview
Switching Relay provides DPST switching for hydronic zone controlled heating systems or SPST control of two seperate loads. One load must be line voltage; the other may be either line or low voltage. The R845A may be directly controlled by any 2-wire series 80 thermostat, such as the T86A Round Thermostat or T852A Electric Clock Thermostat.

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Product Prices
Product No Product Base Price($) Order Quantity
R845A1030/U
1 + $171.07

Features

• Integral transformer provides low voltage power for control circuit.
Product Specifications  Back To Top
Description Switching relay with internal transformer, provides Dpst switching for hot water zone control systems, or spst control of two separate loads.
Application 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.
Switching Action DPST; one pole line voltage, the other line or low voltage
Coil Ratings Current 0.4A
Coil Ratings Voltage 24 Vac
Temperature Range (F) 115 F maximum ambient for 60 Hz. 105 F Max. Ambient for 50 Hz.
Temperature Range (C) 46 C maximum ambient for 60 Hz. 41 C maximum ambient for 50 Hz.
Thermostat Compatibility Low voltage (Class 2) 2-wire
Dimensions (in.) 5 1/4 in. high x 4 1/4 in. wide x 2 5/16 in. deep
Dimensions (mm) 133 mm high x 108 mm wide x 59 mm deep
Electrical Connections (Control Circuit) 2-Wire
Electrical Ratings (Maximum Input) 5.0 W
Electrical Ratings (Primary Voltage) 120V, 50/60 Hz
Includes Integral transformer, enclosure
Approvals, Underwriters Laboratories Inc Listed: File No. E4436, Guide No. XAPX
Approvals, Canadian Standards Association Certified: File No. LR1620
Tradeline Value Tradeline
Contacts Electrical Rating (Main) 120 Vac 7.4A AFL; 44.4A ALR; 10A Resistive
Contacts Electrical Rating (Main) 240 Vac 3.7A ALF; 22.2A ALR; 6.0A Resistive
Contacts Electrical Rating (Max. Connected Load) 2000 VA (120 Vac to 240 Vac)
Contacts Electrical Rating (Secondary) 120 Vac 3A ALF; 18A ALR
Contacts Electrical Rating (Secondary) 240 Vac 2A AFL; 12A ALR
Contacts Electrical Rating (Secondary) Pilot Duty Rating 50 VA @ 24V

Literature and other Resources Download Back To Top
Product Data - (R845A Switching Relays)
Installation Instructions - (R845A Switching Relays)
Installation Instructions - (R845A Switching Relays-TRADELINE)
Installation Instructions - (R845A Switching Relay TRADELINE)
SWITCHING RELAY front Front(Photo_BW - Web Quality Image)
SWITCHING RELAY front Front(Photo_BW - Print Quality Image)
Switching Relay Rear Back view Back(Photo_BW - Web Quality Image)
Switching Relay Rear Back view Back(Photo_BW - Print Quality Image)
R845 Hydronic Switching Relays Ad Slick(LineArt)
R845 Hydronic Switching Relays Ad Slick(LineArt - Web Quality Image)
Round Thermostat Wiring(LineArt)
Round Thermostat Wiring(LineArt - Web Quality Image)
Round Thermostat Wiring(LineArt)
Round Thermostat Wiring(LineArt - Web Quality Image)
Internal schematic for R8182 Protectorelay Hydronic Controller and R845 Wiring(LineArt)
Internal schematic for R8182 Protectorelay Hydronic Controller and R845 Wiring(LineArt - Web Quality Image)
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