SG3A0300BB - Hammond Power Solutions 300 kVA 3 Phase 208D-208Y/120V Sentinel G Transformer 60Hz 150C 3R

SG3A0300BB

SG3A0300BB is a Hammond Power Solutions Sentinel G general purpose distribution transformer rated at 300 kVA for 3 phase power applications.

This transformer features a 208D-208Y/120V voltage configuration, operates at 60 Hz frequency, and is designed for a 150°C temperature rise. It comes with an aluminum enclosure rated Type 3R for outdoor use, providing protection against rain and snow. The unit is suitable for supplying power to appliances, lighting, heating, and motorized equipment within electrical distribution systems rated 600 volts and below.

• Power rating: 300 kVA
• Phase: 3 Phase
• Primary/Secondary Voltage: 208D-208Y/120V
• Frequency: 60 Hz
• Temperature rise: 150°C
• Enclosure: Aluminum Type 3R
• Series: Sentinel G
• Application: General purpose distribution
• Voltage rating: 600 volts and below

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Specifications

• Part Number: SG3A0300BB
• Manufacturer : Hammond Power Solutions
• Brand : Hammond Power Solutions
• Category : Transformer
• Phase : 3
• Enclosure Grade : Standard
• Duty : General Duty
• Frequency : 60Hz
• Primary Voltage : 208D
• 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 : 803423127213
• Weight : 2100
• Certification : CSA, UL

Documentation and Resources

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