SG3A0045BK - Hammond Power Solutions 45 kVA 208D-480Y/277V 3-Phase Distribution Transformer

SG3A0045BK

SG3A0045BK is a 45 kVA three-phase energy-efficient general purpose distribution transformer from Hammond Power Solutions, designed for indoor/outdoor applications with NEMA 3R enclosure protection.

This Sentinel G series transformer features a primary voltage of 208 Delta VAC and secondary voltage of 480Y/277 VAC, operating at 60 Hz frequency. The unit is constructed with aluminum windings and delivers 98.4% efficiency, meeting DOE 2016 and NRCan 2019 compliance standards. It includes a robust interface between core and coils for improved short circuit performance and is suitable for supplying appliance, lighting, heating, and power distribution applications.

• Power Rating: 45 kVA
• Phase: 3-Phase
• Primary Voltage: 208 Delta VAC
• Secondary Voltage: 480Y/277 VAC
• Frequency: 60 Hz
• Efficiency: 98.4%
• Temperature Rise: 150 degrees C
• Enclosure Type: NEMA 3R (Indoor/Outdoor)
• Connection Type: Lug/Pad
• Mounting: Ceiling/Floor
• Conductor Material: Aluminum Wound
• Dimensions: 23.8 in L x 25.8 in W x 28.8 in H

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Specifications

• Part Number: SG3A0045BK
• Phase : 3
• Enclosure Grade : Standard
• Duty : General Duty
• Frequency : 60Hz
• Primary Voltage : 208D
• Primary Connection : Delta
• Primary FCAN (NPL) : 2x2.5%
• Primary FCBN (NPL) : 4x2.5%
• Secondary Voltage : 480Y/277
• Secondary Connection : Wye-N
• Material : Aluminum
• Temperature Rise : 150°C
• Insulation Class : 220°C
• EKVA : 45
• 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 : 45 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)
• Nameplate : Standard
• Standard kVA : 45
• Vector Configuration : YNd1 (-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 : 803423122775
• Weight : 403
• Certification : CSA, UL