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Environmental & Combustion Controls
AT140A1000
Foot mounted, plate mounted, clamp mounted or panel mounted 120 Vac Transformer with Metal end bells

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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
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Features

• Rated at 40 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, plate mounted, clamp mounted or panel mounted 120 Vac Transformer with Metal end bells
Electrical Ratings -Primary Voltage 120 Vac
Electrical Ratings -Secondary Voltage 27 V.O.C.
Frequency 60 Hz
Mounting Foot mounted, plate mounted on 2x4 in. or 4x4 in. outlet box, clamp mounted using outlet box knockout, or panel mounted
NEMA Rating No
Electrical Connections (Primary)(in.) 9 in. leadwires
Electrical Connections (Primary)(mm) 229 mm leadwires
Electrical Connections (Secondary)(in.) (2) screw terminals
Electrical Connections (Secondary)(mm) (2) screw terminals
Electrical Ratings -Output 24 Vac at 40 VA
Dimensions (in.) 3 3/16 in. high x 2 3/8 in. wide x 3 1/8 in. deep
Dimensions (mm) 81 mm high x 60 mm wide x 79 mm deep
Temperature Ratings (F) -20 F to +105 F
Temperature Ratings (C) -29 C to +41 C
Approvals, Underwriters Laboratories Inc UL Listed: A,C,F models. File # E14881
Approvals, Canadian Standards Association CSA Certified: A & B models.
Includes Metal end bells

Literature and other Resources Download Back To Top
Installation Instructions - (AT140A Universal Transformers)
Product Data - (AT140C Transformers)
Installation Instructions - (AT140D Transformer For TROL-A-TEMP)
Transformers Dimension(LineArt)
Transformers Dimension(LineArt - Web Quality Image)
AT140A 40VA CONTROL TRANSFORMER 3 inch Front(Photo_Color - Web Quality Image)
AT140A 40VA CONTROL TRANSFORMER 3 inch Front(Photo_Color - Print Quality Image)
AT140A 40VA CONTROL TRANSFORMER 6 inch Front(Photo_Color - Web Quality Image)
AT140A 40VA CONTROL TRANSFORMER 6 inch Front(Photo_Color - Print Quality Image)
AT140A 40VA CONTROL TRANSFORMER 3 inch Front(Photo_Color - Web Quality Image)
AT140A 40VA CONTROL TRANSFORMER 3 inch Front(Photo_Color - Print Quality Image)
AT140A 40VA CONTROL TRANSFORMER 6 inch Front(Photo_Color - Web Quality Image)
AT140A 40VA CONTROL TRANSFORMER 6 inch Front(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)
Attaching plate to transformer Installation(LineArt)
Attaching plate to transformer Installation(LineArt - Web Quality Image)
Total Zone Kit Multiple Parts(Photo_BW - Web Quality Image)
Total Zone Kit Multiple Parts(Photo_BW - Print Quality Image)
Total Zone Kit Multiple Parts(Photo_Color - Web Quality Image)
Total Zone Kit Multiple Parts(Photo_Color - Print Quality Image)
Envirazone System Kit for Conventional Systems Multiple Parts(Photo_BW - Web Quality Image)
Envirazone System Kit for Conventional Systems Multiple Parts(Photo_BW - Print Quality Image)
Envirazone System Kit for Conventional Systems Multiple Parts(Photo_BW - Web Quality Image)
Envirazone System Kit for Conventional Systems Multiple Parts(Photo_BW - Print Quality Image)
Envirazone System Kit for Conventional Systems Multiple Parts(Photo_Color - Web Quality Image)
Envirazone System Kit for Conventional Systems Multiple Parts(Photo_Color - Print Quality Image)
Envirazone System Kit for Conventional Systems Multiple Parts(Photo_Color - Web Quality Image)
Envirazone System Kit for Conventional Systems Multiple Parts(Photo_Color - Print Quality Image)
General Purpose Transformer Dimension(LineArt)
General Purpose Transformer Dimension(LineArt - Web Quality Image)
Zoning MiniZone Kit with Sensor and Transformer Multiple Parts(Photo_BW - Web Quality Image)
Zoning MiniZone Kit with Sensor and Transformer Multiple Parts(Photo_BW - Print Quality Image)
Zoning MiniZone Kit with Senosr and Transformer Multiple Parts(Photo_Color - Web Quality Image)
Zoning MiniZone Kit with Senosr and Transformer Multiple Parts(Photo_Color - Print Quality Image)
Universal MiniZone Kit with Sensor and Transformer Multiple Parts(Photo_BW - Web Quality Image)
Universal MiniZone Kit with Sensor and Transformer Multiple Parts(Photo_BW - Print Quality Image)
Universal MiniZone Kit with Sensor and Transformer Multiple Parts(Photo_Color - Web Quality Image)
Universal MiniZone Kit with Sensor and Transformer Multiple Parts(Photo_Color - Print Quality Image)
AT140B General Purpose Transformer Quick Connect model Ad Slick(LineArt)
AT140B General Purpose Transformer Quick Connect model 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)
AT140 General Purpose Transformer Ad Slick(LineArt)
AT140 General Purpose Transformer Ad Slick(LineArt - Web Quality Image)
General Purpose Transformer Main(Photo_BW - Web Quality Image)
General Purpose Transformer Main(Photo_BW - Print Quality Image)
General Purpose Transformer Main(Photo_BW - Web Quality Image)
General Purpose Transformer Main(Photo_BW - Print Quality Image)
Transformer Main(Photo_BW - Web Quality Image)
Transformer Main(Photo_BW - Print Quality Image)
Transformer Main(Photo_BW - Web Quality Image)
Transformer Main(Photo_BW - Print Quality Image)
B and E model transformer dimensions Dimension(LineArt)
B and E model transformer dimensions Dimension(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)
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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