Acme T-2-53144-1S General Purpose Transformer 5kVA 208V Pri 120/240V Sec 1Ph

Acme T-2-53144-1S General Purpose Transformer 5kVA 208V Pri 120/240V Sec 1Ph

The Acme T-2-53144-1S is a 5kVA single-phase general purpose transformer manufactured by Acme Electric Corporation in Lumberton, North Carolina. It steps down a 208V primary supply to a 120/240V secondary, making it suitable for powering standard single-phase loads from a 208V distribution source. The unit features a NEMA 3R outdoor-rated steel enclosure and a Class 180 insulation system for extended thermal service life.

Specifications & What's Included

• Catalog Number: T-2-53144-1S
• Style: SR
• Power Rating: 5.0 kVA
• Primary Voltage: 208V with 2–5% BNFC taps
• Secondary Voltage: 120/240V
• Phase: Single Phase
• Frequency: 60 Hz
• Impedance: 5%
• Winding Temperature Rise: 115°C
• Enclosure Type: NEMA 3R (outdoor rated)
• Insulation System: H-3180-L, Class 180
• Shielded for cleaner power (electrostatic shield)
• Minimum Field Installed Clearances: Side – 4 in., Vertical – 4 in.
• Wiring information on inside cover
• Manufacturer: Acme Electric Corporation, Power Distribution Products Division, Lumberton, NC
• Country of Manufacture: USA
• UL and CSA listed (markings visible on rating plate)

Applications

Acme Electric general purpose transformers are standard equipment in commercial and light industrial power distribution systems throughout North America. The T-2-53144-1S is designed to step 208V three-phase building power down to a 120/240V single-phase output — a common need when feeding individual loads such as lighting panels, HVAC controls, small machinery, or receptacle circuits from a 208V source. The NEMA 3R enclosure allows installation in outdoor or semi-protected locations such as utility cabinets, rooftop equipment pads, and covered industrial areas. The electrostatic shield between primary and secondary windings reduces noise coupling, making these transformers a common choice in environments where clean power matters, such as control panels and sensitive equipment feeds. Acme Electric has been producing transformers of this style since the mid-twentieth century; units like this remain in active production and widespread use today in building electrical infrastructure across the United States.