SK3A1000KB9S - Hammond Power Solutions 3-Phase 1000 kVA 480D-208Y/120V K-Factor Transformer 60Hz 150C 3R

SK3A1000KB9S

SK3A1000KB9S is a 3-phase, 1000 kVA K-Factor distribution transformer from Hammond Power Solutions designed for energy-efficient power distribution.

This transformer features a 480V delta primary and 208Y/120V secondary voltage configuration, operating at 60 Hz frequency. It is part of the Sentinel K series, optimized for handling non-linear loads with K-factor rating, and built to meet DOE 2016 and NRCan 2019 energy efficiency standards. The unit has a 150°C temperature rise rating and a Type 3R enclosure suitable for outdoor use with protection against rain and snow. It is constructed with aluminum windings and designed for general purpose low voltage distribution applications up to 600 volts.

Key Specifications
• Phase: 3-Phase
• kVA Rating: 1000 kVA
• Primary Voltage: 480V Delta
• Secondary Voltage: 208Y/120V
• Frequency: 60 Hz
• Temperature Rise: 150°C
• Enclosure Type: Type 3R
• Winding Material: Aluminum
• Energy Efficiency: DOE 2016 and NRCan 2019 Compliant
• K-Factor Rated for Non-Linear Loads

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Specifications

• Part Number: SK3A1000KB9S
• Manufacturer : Hammond Power Solutions
• Brand : Hammond Power Solutions
• Category : Transformer
• Phase : 3
• Enclosure Grade : Standard
• Duty : General Duty
• Frequency : 60Hz
• Primary Voltage : 480D
• Primary Connection : Delta
• Secondary Voltage : 208Y/120
• Secondary Connection : Wye-N
• Material : Aluminum
• Temperature Rise : 150°C
• Insulation Class : 220°C
• EKVA : 1258.97
• 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 : 64 dBA (NEMA ST-20)
• Impedance (Std) : 4% - 7.5%
• Enclosure Type : Type 3R / IP24
• Enclosure Finish : ANSI 61 Grey, UL50
• Enclosure Dimensions : 82in/2083mm(H), 60in/1524mm(W), 47in/1194mm(D)
• Electrostatic Shield : Single
• Nameplate : Standard
• Standard kVA : 1000
• 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
• Primary FCAN (Std) : 2x2.5%
• Primary Termination (Std) : Mounting Pads

Product Data

• UPC : 803423129439
• Weight : 1600
• Certification : CSA, UL

Documentation and Resources

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