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Overview

The AT140 is a 24V, 40 VA universal mount transformer

Features

  • Provides a low voltage power source for any Honeywell Home zone control panel or damper
  • Powers up to 5 ZD or ARD damper motors and 14 RRD damper motors from one 40VA transformer
  • Mounting options include plate or foot mounting
  • 120/240 VAC primary

Product Specifications

Temperature Range (F)
-20 F to +105 F
Temperature Range (C)
-29 C to +41 C
Item Type
Product
Mounting
Universal (Plate, Foot or Knockout)
Electrical Ratings
Primary voltage--208 Vac, 240 Vac; Secondary voltage--24V
Frequency
60 Hz
Approvals, Underwriters Laboratories Inc.
UL Listed
Approvals, Canadian Standards Association
CSA Listed
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
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