SG3A0300DB - Hammond Power Solutions 3-Phase 300kVA 240D-208Y/120V Aluminum 60Hz 150C NEMA 3R Transformer

SG3A0300DB

SG3A0300DB is a Hammond Power Solutions 3-phase dry type transformer designed for general purpose distribution applications. This unit features aluminum windings, a 150°C temperature rise rating, and is housed in a NEMA 3R/IP24 enclosure for reliable indoor or outdoor use. The SG3A0300DB is engineered for efficient power distribution with a 240V delta primary and 208Y/120V wye secondary configuration. It is suitable for a wide range of commercial and industrial loads, including lighting, heating, and motorized equipment. The transformer is constructed for durability and ease of installation, with front accessible terminals compatible with both aluminum and copper cables.

• 3-Phase Dry Type Transformer
• 300kVA Power Rating
• 240V Delta Primary
• 208Y/120V Wye Secondary
• Aluminum Windings
• 150°C Temperature Rise
• 220°C Insulation Class
• NEMA 3R/IP24 Enclosure
• 60Hz Frequency
• Front Accessible Terminals
• General Purpose Distribution
• Mounting: Ceiling or Floor

At Essential Parts, we offer fast shipping, lowest price, and expert support to help you get the right product every time.

Specifications

• Part Number: SG3A0300DB
• Manufacturer : Hammond Power Solutions
• Brand : Hammond Power Solutions
• Category : Transformer
• Phase : 3
• Enclosure Grade : Standard
• Duty : General Duty
• Frequency : 60Hz
• Primary Voltage : 240D
• Primary Connection : Delta
• Primary FCAN (NPL) : 1x5%
• Primary FCBN (NPL) : 1x5%
• Secondary Voltage : 208Y/120
• Secondary Connection : Wye-N
• Material : Aluminum
• Temperature Rise : 150°C
• Insulation Class : 220°C
• EKVA : 300
• Efficiency Regulation : DOE 2016 (US), NRCAN 2019 (Canada), NMX 2021 (Mexico)
• Seismic Compliance : IBC 2018 (Sds=2.0, z/h=0, lp=1.5)
• Sound Level : 55 dBA (NEMA ST-20)
• Impedance (Std) : 3.5% - 7%
• Secondary Termination (NPL) : Mounting Pads
• Enclosure Type : Type 3R / IP24
• Enclosure Finish : ANSI 61 Grey, UL50
• Enclosure PN (NPL) : DH5-N3R
• Enclosure Dimensions : 52in/1321mm(H), 37.5in/953mm(W), 34in/864mm(D)
• Nameplate : Standard
• Standard kVA : 300
• Vector Configuration : Dyn1 (-30°)
• Seismic Standard Value : IBC 2018
• OSHPD : No
• Seismic IP : lp=1.5
• Seismic ZH : z/h=0
• Seismic SDS Value : Sds=2.0
• Enclosure IR Window : No

Product Data

• UPC : 803423127510
• Weight : 1950
• Certification : CSA, UL

Documentation and Resources

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