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Home > Honeywell > Relays > Honeywell R8845U1003 Universal Switching Relay with Internal Transformer
Honeywell R8845U1003 Universal Switching Relay with Internal Transformer
MSRP: $84.84
Price: $51.65
You Save: $33.19 (39 %)
Please check for availability
Item Number: 11250
Manufacturer Name: Honeywell
Manufacturer Part No: R8845U1003
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Product Manuals and Downloads:
Product Data
Installation Instructions
Universal
Switching Relay with Internal Transformer, two line voltage SPST relays
and one low voltage SPST relay with PowerPile rating.
The R8845U Universal Switching
Relay with 24 V transformer provides intermediate switching of line-and
low-voltage devices from a line- or low-voltage controller and is
typically applied in Hydronic heating systems.
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Replaceable socketed relays.
Two troubleshooting LED.
Push-to-test button.
Replaceable transformer fuse.
Low-voltage contact rating for Powerpile applications.
Long-life DC relay drive control technology.
Relay for use with external 24 Vac or 24 Vdc supply, with line-voltage control, or with internal 24 V transformer supply.
One model replaces many competitor models.
One model may replace many Honeywell models:R182A,B,C,J; R482A,B,C,J; R845; R882A,B,C,J and RA832.
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Product Specifications
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Description
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Universal
switching relay with internal transformer, two line voltage SPST relays
and one low voltage SPST relay with PowerPile rating.
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Application
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Provides intermediate switching of line and low voltage devices from a line or low voltage controller
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Switching Action
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Two SPST, plus PowerPile® rated low voltage SPST relay. (If normally closed contacts are needed, use RA889A).
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Coil Ratings Current
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0.4A
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Coil Ratings Voltage
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24 Vac
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Thermostat Heat Anticipator Setting
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0.12A
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Transformer Primary Rating
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120 Vac, 60 Hz
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Transformer Secondary Rating
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24 Vac, 12 VA max., 9 VA available for external load. Secondary protected by replaceable 1A automotive fuse.
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Temperature Range (F)
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(Ambient) -20 F to +120 F
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Temperature Range (C)
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(Ambient) -29 C to +49 C
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Thermostat Compatibility
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Honeywell electromechanical and electronic 2- or 3-wire
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Dimensions (in.)
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6 1/4 in. high x 4 7/16 in. wide x 3 1/2 in. deep
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Dimensions (mm)
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159 mm high x 118 mm wide x 89 mm deep
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Electrical Connections (Control Circuit)
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2 or 3-wire
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Operating Humidity Range (% RH)
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0 to 90% RH, non-condensing
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Electrical Ratings (Primary Voltage)
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120V, 60 Hz
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Contacts Electrical Ratings (120 Vac AFL)
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7.4A AFL, 44.4A ALR on each set of line-voltage contacts. Maximum connected load is 2000 VA.
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Approvals, Canadian Underwriters Laboratories
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Listed: Guide No. XAPX7.
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Includes
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Integral transformer, enclosure
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Approvals, Underwriters Laboratories Inc
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Listed: File No. E4436, Guide No. XAPX
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