SG3L0050FE - Hammond Power Solutions 50kVA Single Phase Transformer 277V Primary 120/240V Secondary 60Hz Aluminum Wound 150C Rise NEMA 3R

SG3L0050FE

SG3L0050FE is a 50kVA single phase transformer from Hammond Power Solutions designed for general purpose distribution with a 277V primary and 120/240V secondary voltage rating.

This transformer features aluminum windings, a 150°C temperature rise insulation system, and is rated for 60Hz operation. It is part of the HPS Sentinel G series, known for energy efficiency and reliability, with a NEMA 3R enclosure suitable for outdoor use. The core is constructed from cold rolled silicon steel laminations with moisture-resistant coating, and the transformer includes integral mounting brackets for floor or wall installation.

Key Specifications
• Power Rating: 50kVA
• Phase: Single Phase
• Primary Voltage: 277V
• Secondary Voltage: 120/240V
• Frequency: 60Hz
• Winding Material: Aluminum
• Temperature Rise: 150°C
• Enclosure Type: NEMA 3R
• Series: HPS Sentinel G
• Mounting: Integral floor and wall brackets

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Specifications

• Part Number: SG3L0050FE
• Manufacturer : Hammond Power Solutions
• Brand : Hammond Power Solutions
• Category : Transformer
• Phase : 1
• Enclosure Grade : Standard
• Duty : General Duty
• Frequency : 60Hz
• Primary Voltage : 277
• Primary Connection : Series (V)
• Primary FCAN (NPL) : 2x2.5%
• Primary FCBN (NPL) : 2x2.5%
• Secondary Voltage : 120/240
• Secondary Connection : Parallel/Series-N (V/2V)
• Material : Aluminum
• Temperature Rise : 150°C
• Insulation Class : 220°C
• EKVA : 50
• Efficiency Regulation : DOE 2016 (US), NRCAN 2019 (Canada), NMX 2021 (Mexico)
• Seismic Compliance : OSHPD, IBC 2018 (Sds=2.0, z/h=1, lp=1.5)
• Sound Level : 45 dBA (NEMA ST-20)
• Impedance (Std) : 3% - 6.1%
• Secondary Termination (NPL) : Mechanical Lugs
• Enclosure Type : Type 3R / IP24
• Enclosure Finish : ANSI 61 Grey, UL50
• Enclosure PN (NPL) : DH2-N3R
• Enclosure Dimensions : 28.75in/731mm(H), 25.75in/655mm(W), 23.8in/605mm(D)
• Nameplate : Standard
• Standard kVA : 50
• Vector Configuration : 0°
• Seismic Standard Value : IBC 2018
• OSHPD : Yes
• Seismic IP : lp=1.5
• Seismic ZH : z/h=1
• Seismic SDS Value : Sds=2.0
• Enclosure IR Window : No

Product Data

• UPC : 803423140861
• Weight : 330
• Certification : CSA, UL

Documentation and Resources

• Engineering Drawing (PDF)
• Brochure
• Hammond Product Application Videos
• Frequently Asked Questions
• Troubleshooting Guide
• Enclosure CAD Drawing (PDF)