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Environmental & Combustion Controls
AT87A1189
Foot mounted 277 Vac Transformer with 12 in. leadwires and energy limiting overload protection

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Overview
Used primarily for powering 24V air conditioning circuits. Can also be used in other applications that do not exceed the listed ratings.

Product Prices
Package Type Product Base Price($) Order Quantity
U
1 + $71.49
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Features

• Meets NEC Class 2 not wet, Class 3 wet and UL 1585 requirements.
• Meets NEMA Standard DC20-1992.
• Transformer marked NEMA Type E.
• Overload protection provided.
• Color-coded leadwires for primary connections.
Product Specifications  Back To Top
Description Foot mounted 277 Vac Transformer with 12 in. leadwires and energy limiting overload protection
Electrical Ratings -Primary Voltage 277 Vac
Electrical Ratings -Secondary Voltage 26.5 V.O.C.
Frequency 60 Hz
Frequency 50 Hz
Mounting Foot-mounted
NEMA Rating NEMA type E
Electrical Connections (Primary)(in.) 12 in. leadwires
Electrical Connections (Primary)(mm) 305 mm leadwires
Electrical Connections (Secondary)(in.) 12 in. leadwires
Electrical Connections (Secondary)(mm) 305 mm leadwires
Electrical Ratings -Output 24 Vac at 48 VA
Dimensions (in.) 2 15/16 in. deep x 2 7/32 wide
Dimensions (mm) 74.6 mm deep x 65.4 mm wide
Temperature Ratings (F) -20 F to +105 F
Temperature Ratings (C) -29 C to +41 C
Approvals, Underwriters Laboratories Inc UL Component Recognized.
Approvals, Canadian Standards Association Certified
Includes Energy limiting overload protection

Literature and other Resources Download Back To Top
Installation Instructions - (AT87 AT Transformers)
Product Data - (AT87 Transformers)
Installation Instructions - (AT87A1205 Transformer)
Transformer Dimension(LineArt)
Transformer Dimension(LineArt - Web Quality Image)
Transformer for powering 24V Air Conditioning Circuits Multiple Parts(Photo_BW - Web Quality Image)
Transformer for powering 24V Air Conditioning Circuits Multiple Parts(Photo_BW - Print Quality Image)
Transformer for powering 24V Air Conditioning Circuits Multiple Parts(Photo_BW - Web Quality Image)
NEMA Standard Transformer Dimension(LineArt)
NEMA Standard Transformer Dimension(LineArt - Web Quality Image)
AT87 NEMA Standard Transformer Foot Mounted Ad Slick(LineArt)
AT87 NEMA Standard Transformer Foot Mounted Ad Slick(LineArt - Web Quality Image)
Transformer for powering 24V Air Conditioning Circuits Main(Photo_BW - Web Quality Image)
Transformer for powering 24V Air Conditioning Circuits Main(Photo_BW - Print Quality Image)
Transformer for powering 24V Air Conditioning Circuits Main(Photo_BW - Web Quality Image)
Transformer for powering 24V Air Conditioning Circuits Main(Photo_BW - Print Quality Image)
Transformer for powering 24V Air Conditioning Circuits Main(Photo_BW - Web Quality Image)
Transformer for powering 24V Air Conditioning Circuits Main(Photo_BW - Print Quality Image)
Transformer for powering 24V Air Conditioning Circuits Main(Photo_BW - Web Quality Image)
Transformer for powering 24V Air Conditioning Circuits Main(Photo_BW - Print Quality Image)
Transformer for powering 24V Air Conditioning Circuits Main(Photo_BW - Web Quality Image)
Transformer for powering 24V Air Conditioning Circuits Main(Photo_BW - Print Quality Image)
Transformer for powering 24V Air Conditioning Circuits Main(Photo_BW - Web Quality Image)
Transformer for powering 24V Air Conditioning Circuits Main(Photo_BW - Print Quality Image)
Transformer Main(Photo_BW - Web Quality Image)
Transformer Main(Photo_BW - Print Quality Image)
Motorized Valve Wiring(LineArt)
Motorized Valve Wiring(LineArt - Web Quality Image)
Wiring for transformers Wiring(LineArt)
Wiring for transformers Wiring(LineArt - Web Quality Image)
Wiring for transformers Wiring(LineArt)
Wiring for transformers Wiring(LineArt - Web Quality Image)
Wiring for transformers Wiring(LineArt)
Wiring for transformers Wiring(LineArt - Web Quality Image)
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