Power Supplies

AT87A, AT140A, AT150A



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AT87A, AT140A, AT150A

Class 2 Control Transformers AT87A, AT140A,  AT150A

Class 2 Control Transformers

 

The AT87A, AT140A, AT150A Class 2 control transformers are general purpose transformers that provide power to nominal 24 volt AC control circuits. They are typically used in heating and cooling control systems and Building Automation Systems, BAS. They also can be used in any application that does not exceed the load ratings. Each transformer model is UL listed or recognizes and meets NEC Class 2 "not wet" and Class 3 "wet" requirements.


Products
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QtyModelDescriptionIn StockList PriceInternet Price
AT140A1000 TRANSFORMER, 40 VA,120 VAC TO 24 VAC,UNIVERSAL MOUIn Stock46.0023.00
AT140A1018 TRANSFORMER, 40 VA,120 VAC/208 VAC/240 VAC TO 24 VIn Stock50.0025.00
AT150A1007 TRANSFORMER, 50 VA,120 VAC/208 VAC/240 VAC TO 24 VIn Stock58.0029.00
AT150B1237 TRANSFORMER, 50 VA,120 VAC/208 VAC/240 VAC TO 24 VINFO69.0034.50
AT150B1252 TRANSFORMER, 50 VA,277 VAC TO 24 VAC,FOOT MOUNTINFO81.0040.50
AT87A1155 TRANSFORMER, 48 VA,480 VAC TO 24 VAC,FOOT MOUNTIn Stock152.0076.00
AT87A1189 TRANSFORMER, 48 VA,277 VAC TO 24 VAC,FOOT MOUNTIn Stock131.0065.50
AT88A1005 TRANSFORMER, 75 VA,120 VAC TO 24 VAC,FOOT MOUNTINFO266.00133.00

Accessories

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Features
  • Meets NEC Class 2 "not wet" and Class 3 "wet" transformer requirements
  • Color-coded leads
  • Screw terminal secondary (AT140A, AT150A)
  • Models with multi-tap primary
Specifications

Primary Voltage:120/208/240 VAC, 480 VAC, 277 VAC

Frequency:60 Hz, 50/60 Hz

Secondary Voltage:24 VAC

VA Rating:40 VA, 50 VA, 48 VA

Wiring Terminations:Primary: 9" (22.8 cm) colored leads; Secondary: screw terminals, 12" (30.5 cm) colored leads

Dimensions:3.12" H x 2.36" W x 3.19" D (7.92 x 6.05 x 8.10 cm), 2.38" H x 2.19" W X 2.8" D (6.05 x 5.55 x 7.11 cm)

Approvals:UL1585, UL5085-3 File #E14881; CSA, NEC Class 2 "not wet", Class 3 "wet", UL File #E14881; CSA, NEC Class 2 "not wet", Class 3 "wet"

Weight:2 lb (0.91 Kg), 1.75 lb (0.79 Kg)

Warranty:1 year

Certifications