SK3A0045KK3K - Hammond Power Solutions 3-Phase 45kVA K-Factor Transformer 480V Delta Primary 380Y/220V Secondary NEMA 3R

SK3A0045KK3K

SK3A0045KK3K is a Hammond Power Solutions HPS Sentinel K energy efficient k-factor distribution transformer designed for demanding electrical environments with non-linear loads. This three-phase transformer is built to handle 45kVA, with a 480V delta primary and a 380Y/220V secondary, making it suitable for a wide range of commercial and industrial applications. The unit features a robust NEMA 3R enclosure for protection against environmental factors and is engineered for high efficiency and reliability. The HPS Sentinel K series is specifically designed for environments with harmonic distortion and non-linear loads, providing enhanced performance and longevity. The transformer is constructed with aluminum windings and features a heavy-duty ventilated Type 3R enclosure. It is suitable for floor or wall mounting and is built to meet North American efficiency standards, including DOE 2016 and NRCan 2019. The unit is UL Listed and CSA Certified, ensuring compliance with safety and performance requirements.

• Part Number: SK3A0045KK3K
• Manufacturer: Hammond Power Solutions
• Series: HPS Sentinel K
• Phase: 3-Phase
• Rating: 45kVA
• Primary Voltage: 480V Delta
• Secondary Voltage: 380Y/220V
• Frequency: 60 Hz
• Enclosure: NEMA 3R
• Mounting: Floor or Wall
• Winding Material: Aluminum
• Temperature Rise: 150°C
• Insulation Class: 220°C
• UL Listed
• CSA Certified
• Meets DOE 2016 and NRCan 2019 Efficiency Standards

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Specifications

• Part Number: SK3A0045KK3K
• 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
• Primary FCAN (NPL) : 2x2.5%
• Primary FCBN (NPL) : 4x2.5%
• Secondary Voltage : 480Y/277
• Secondary Connection : Wye-N
• Temperature Rise : 150°C
• Insulation Class : 220°C
• EKVA : 51.7989
• Efficiency Regulation : DOE 2016 (US), NRCAN 2019 (Canada), NMX 2021 (Mexico)
• Seismic Compliance : OSHPD, IBC 2018 (Sds=2.0, z/h=1, lp=1.5)
• Sound Level : 48 dBA (NEMA ST-20)
• Impedance (Std) : 2.5% - 6.5%
• Secondary Termination (NPL) : Mechanical Lugs
• Enclosure Type : Type 3R / IP24
• Enclosure Finish : ANSI 61 Grey, UL50
• Enclosure PN (NPL) : DH2-N3R
• Enclosure Dimensions : 28.75in/731mm(H), 25.75in/655mm(W), 23.8in/605mm(D)
• Electrostatic Shield : Single
• Nameplate : Standard
• Standard kVA : 45
• Vector Configuration : Dyn1 (-30°)
• Seismic Standard Value : IBC 2018
• OSHPD : Yes
• Seismic IP : lp=1.5
• Seismic ZH : z/h=1
• Seismic SDS Value : Sds=2.0
• Enclosure IR Window : No

Product Data

• UPC : 803423130633
• Weight : 405
• Certification : CSA, UL

Documentation and Resources

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