SG3A0300DK0C - Hammond Power Solutions 300 kVA 3-Phase 240D-480Y/277V General Purpose Transformer

SG3A0300DK0C

SG3A0300DK0C is a 300 kVA, 3-phase general purpose distribution transformer from Hammond Power Solutions designed for low voltage power distribution applications.This transformer features a primary voltage of 240 volts delta and a secondary voltage of 480 volts wye with a 277-volt tap, operating at 60 Hz frequency. It is part of the Sentinel G series, rated for 600 volts and below, suitable for supplying appliances, lighting, heating, and motorized machine loads. The unit is copper-wound and designed for reliable performance with a 150°C temperature rating and a NEMA 3R enclosure for outdoor or indoor use.

• Power Rating: 300 kVA
• Phase: 3-Phase
• Primary Voltage: 240V Delta
• Secondary Voltage: 480V Wye with 277V tap
• Frequency: 60 Hz
• Winding Material: Copper
• Temperature Rating: 150°C
• Enclosure Type: NEMA 3R
• Series: Sentinel G
• Voltage Rating: 600V and below

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

Specifications

• Part Number: SG3A0300DK0C
• 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) : 1x4%
• Primary FCBN (NPL) : 1x4%
• Secondary Voltage : 480Y/277
• Secondary Connection : Wye-N
• 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 : YNd1 (-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 : 803423127787
• Weight : 1850
• Certification : CSA, UL

Documentation and Resources

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