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Environmental & Combustion Controls
AT150B1252
Foot mounted 277 Vac Transformer with 9 in. leadwires and plastic end caps

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Overview
Provide power to 24 Vac circuits in heating/cooling control systems. Intended for use in systems with predictable, uniform loads. Can be used in any application that does not exceed the listed ratings.

Product Prices
Package Type Product Base Price($) Order Quantity
U
1 + $32.16
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Features

• Rated at 50 VA.
• Color-coded leadwires for primary connections and screw terminals for secondary connections, fixed 1/4 inch (6 mm) male quick-connects or color-coded leadwires for both primary and secondary, are standard.
• Meet NEC Class 2 requirements.
• Meet Underwriters Laboratories Inc. Standard UL 1585 and are identified. Class 2 not wet, Class 3 wet.
Product Specifications  Back To Top
Description Foot mounted 277 Vac Transformer with 9 in. leadwires and plastic end caps
Electrical Ratings -Primary Voltage 277 Vac
Electrical Ratings -Secondary Voltage 27.5 V.O.C.
Frequency 60 Hz
Frequency 50 Hz
Mounting Foot-mounted
NEMA Rating No
Electrical Connections (Primary)(in.) 9 in. leadwires with 1/4 in. male quick-connects
Electrical Connections (Primary)(mm) 229 mm leadwires with 1/4 in. male quick-connects with plastic (2) end covers
Electrical Connections (Secondary)(in.) 9 in. leadwires with 1/4 in. male quick-connects with plastic (2) end covers
Electrical Connections (Secondary)(mm) 229 mm leadwires with 6.4 mm male quick-connects with plastic (2) end covers
Electrical Ratings -Output 24 Vac at 50 VA
Dimensions (in.) 1 11/16 in. high x 3 1/2 in. wide x 1 3/4 in. deep
Dimensions (mm) 43 mm high x 89 mm wide x 75 mm deep
Temperature Ratings (F) -20 F to +105 F
Temperature Ratings (C) -29 C to +41 C
Approvals, Underwriters Laboratories Inc UL Component Recognized: B, D, E models. File# E14881
Approvals, Canadian Standards Association CSA Certified: A & B models.
Includes Plastic end caps

Literature and other Resources Download Back To Top
Installation Instructions - (AT150A Universal Transformers)
Installation Instructions - (AT150F Universal Circuit Breaker Transformers -TRADELINE)
Product Data - (AT150B Transformers)
Circuit Breaker Transformer for heating/cooling systems 3 inch Main(Photo_BW - Web Quality Image)
Circuit Breaker Transformer for heating/cooling systems 3 inch Main(Photo_BW - Print Quality Image)
Circuit Breaker Transformer for heating/cooling systems 6 inch Main(Photo_BW - Web Quality Image)
Circuit Breaker Transformer for heating/cooling systems 6 inch Main(Photo_BW - Print Quality Image)
Circuit Breaker Transformer for heating/cooling systems 3 inch Main(Photo_Color - Web Quality Image)
Circuit Breaker Transformer for heating/cooling systems 3 inch Main(Photo_Color - Print Quality Image)
Circuit Breaker Transformer for heating/cooling systems 6 inch Main(Photo_Color - Web Quality Image)
Circuit Breaker Transformer for heating/cooling systems 6 inch Main(Photo_Color - Print Quality Image)
Transformer conduit/panel mounting Installation(LineArt - Web Quality Image)
Securing the mounting screw and tab plate on transformer with Installation(LineArt)
Securing the mounting screw and tab plate on transformer with Installation(LineArt - Web Quality Image)
General Purpose Transformer Dimension(LineArt)
General Purpose Transformer Dimension(LineArt - Web Quality Image)
AT150 AT175 Circuit Breaker Transformer Ad Slick(LineArt)
AT150 AT175 Circuit Breaker Transformer Ad Slick(LineArt - Web Quality Image)
AT140B AT 150B General Purpose Transformer Trade model Ad Slick(LineArt)
AT140B AT 150B General Purpose Transformer Trade model Ad Slick(LineArt - Web Quality Image)
Oil & Hydronic Training Aquastat Wiring(LineArt)
Oil & Hydronic Training Aquastat Wiring(LineArt - Web Quality Image)
Oil & Hydronic Training Wiring(LineArt)
Oil & Hydronic Training Wiring(LineArt - Web Quality Image)
Oil & Hydronic Training Wiring(LineArt)
Oil & Hydronic Training Wiring(LineArt - Web Quality Image)
Oil & Hydronic Training Wiring(LineArt)
Oil & Hydronic Training Wiring(LineArt - Web Quality Image)
B and E model transformer dimensions Dimension(LineArt)
B and E model transformer dimensions Dimension(LineArt - Web Quality Image)
Schematic for single and multitap transformers Wiring(LineArt)
Schematic for single and multitap transformers Wiring(LineArt - Web Quality Image)
Transformer plate mounting Callouts(LineArt)
Transformer plate mounting Callouts(LineArt - Web Quality Image)
F model transformer dimensions Dimension(LineArt)
F model transformer dimensions Dimension(LineArt - Web Quality Image)
C and D model transformer dimensions Dimension(LineArt)
C and D model transformer dimensions Dimension(LineArt - Web Quality Image)
A model transformer dimensions Dimension(LineArt)
A model transformer dimensions Dimension(LineArt - Web Quality Image)
Transformer mounting plate dimensions Dimension(LineArt)
Transformer mounting plate dimensions Dimension(LineArt - Web Quality Image)
Tightening the clamp to hold the plate into Transformer Installation(LineArt)
Tightening the clamp to hold the plate into Transformer Installation(LineArt - Web Quality Image)
Mounting E model transformer in a panel cutout Installation(LineArt)
Mounting E model transformer in a panel cutout Installation(LineArt - Web Quality Image)
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