SG3C0300KD - Hammond 300kVA 3-Phase Transformer 480D-240D/120CT Volt Aluminum NEMA 3R

SG3C0300KD

SG3C0300KD is a Hammond 300kVA 3-phase transformer designed for reliable power distribution with aluminum windings and NEMA 3R enclosure.

This transformer features a 480V Delta primary and 240V Delta with 120V center tap secondary voltage configuration, suitable for various industrial and commercial applications. It operates at 60Hz frequency with a 150C temperature rating and is built to meet DOE 2016 and NRCan 2019 energy efficiency standards. The unit is housed in a NEMA 3R rated enclosure for outdoor or indoor use with floor mounting capability.

• Power Rating: 300kVA
• Phase: 3-Phase
• Primary Voltage: 480V Delta
• Secondary Voltage: 240V Delta with 120V Center Tap
• Frequency: 60Hz
• Temperature Rating: 150C
• Enclosure: NEMA 3R
• Mounting Type: Floor
• Windings Material: Aluminum
• Energy Efficiency: DOE 2016 and NRCan 2019 Compliant

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Specifications

• Part Number: SG3C0300KD
• Manufacturer : Hammond
• Brand : Hammond
• Category : Transformer
• Item Subcategory : Dry Type
• Family : Sentinel G
• Type : SG
• Phase : 3
• Enclosure Grade : Standard
• Duty : General Duty
• KVA Rating : 300
• Frequency : 60Hz
• Primary Voltage : 480D
• Primary Connection : Delta
• Primary FCAN (NPL) : 2x2.5%
• Primary FCBN (NPL) : 4x2.5%
• Secondary Voltage : 240/120
• 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 : Dd0 (0°)
• 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 : 803423124441
• GTIN : 00803423124441
• Weight : 1900
• Certification : CSA, UL

Documentation and Resources

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