Residential Comfort/Combustion : Electrical Components : Transformers : AT20 : AT20B1056/U
Foot mounted 120 Vac Transformer with 9 in. lead wires
Overview
Honeywell 19 VA transformers power 24V systems including thermostats, gas valves and relays.
Features
- Channel frame mounting feet and slots allow for three mounting positions
- Features color-coded leadwires for primary connections
- Overload protection provided
- Energy limiting, meet NEMA DC20-1992 Standard
- Meet NEC Class 2 not wet, Class 3 wet and UL 1585 requirements
Product Specifications
- Dimensions (in.)
- 2 in. high x 2 1/4 in. wide x 1 7/8 in. deep
- Dimensions (mm)
- 50.8 mm high x 57 mm wide x 47.6 mm deep
- Temperature Range (F)
- -20 F to +105 F
- Temperature Range (C)
- -29 C to +41 C
- Mounting
- Channel Frame Mounting allows for Direct, Horizontal, or Vertical Foot mounting.
- Electrical Ratings
- Primary voltage--120 Vac; Secondary voltage--26.5 V.O.C.
- Frequency
- 50 Hz; 60 Hz
- Approvals, Underwriters Laboratories Inc.
- UL Component Recognized.
- Approvals, CSA
- Certified
- Tradeline Value
- Tradeline
- NEMA Rating
- NEMA type B
- Electrical Connections (Primary)(in.)
- 9 in. color coded primary and secondary leadwires
- Electrical Connections (Primary)(mm)
- 229 mm color coded primary and secondary leadwires
- Electrical Connections (Secondary)(in.)
- 9 in. color coded primary and secondary leadwires
- Electrical Connections (Secondary)(mm)
- 229 mm color coded primary and secondary leadwires.
- Electrical Ratings, Output
- 24 Vac at 19 VA
