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Item 4 Of 4
Foot mounted 277 Vac Transformer

AT87A1189/U

Foot mounted 277 Vac transformer with 12 in. leadwires

This product is available in Canada only.

  • Product Info
  • Literature

Overview

Resideo 48 VA powers 24V air conditioning circuits and other applications that do not exceed the listed ratings.

Features

  • Meets NEC Class 2 not wet, Class 3 wet and UL 1585 requirements.
  • Transformer marked NEMA Type E.
  • Overload protection provided.
  • Color-coded leadwires for primary connections.

Product Specifications

Dimensions (in.)
2 15/16 in. deep x 2 7/32 wide
Dimensions (mm)
74.6 mm deep x 65.4 mm wide
Temperature Range (F)
-20 F to +105 F
Temperature Range (C)
-29 C to +41 C
Includes
Energy limiting overload protection
Item Type
Product
Mounting
Foot-mounted
Electrical Ratings
Primary voltage--277 Vac; Secondary voltage--26.5 V.O.C.
Frequency
50 Hz; 60 Hz
Approvals, Underwriters Laboratories Inc.
UL Component Recognized.
Approvals, Canadian Standards Association
Certified
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

Marketing Collateral

Sales/Promotional Materials-Cross Reference Guide for Residential Combustion Heating and Cooling Parts (English)

Dimension-Transformer

Dimension-NEMA Standard Transformer

Technical Documents

Product Data and Specifications-Product Data for AT20, AT40, AT72, AT87, AT88 Transformers (English) - Legacy Product Document

Installation Materials-Installation Instructions for AT Transformers (English, French)