# Hammond Power Solutions SG3A0300PK Sentinel-G 3-Phase 300 kVA Distribution Transformer 600V Delta to 480Y/277V Aluminum Type 3R - MROSupply.com

***Hammond Power Solutions SG3A0300PK Sentinel-G 3-phase 300 kVA general purpose distribution transformer with 600V delta primary and 480Y/277V wye secondary. Aluminum windings, 150°C rise, 220°C insulation system. Type 3R enclosure for outdoor use. DOE 2016, NRCAN 2019, and NMX 2021 compliant. UL and CSA listed.***



## Product details:

- Catalog number: SG3A0300PK
- SKU: 2839165
- Price: ***$23,710.00*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Hammond Power Solutions](https://www.mrosupply.com/brands/hammond-power-solutions/)
- Category: 
    - [Three Phase](htts://www.mrosupply.com/electrical/transformers/low-voltage-distribution-transformers/three-phase/)
    - [Low Voltage Distribution Transformers](htts://www.mrosupply.com/electrical/transformers/low-voltage-distribution-transformers/)
    - [Transformers](htts://www.mrosupply.com/electrical/transformers/)
    - [Electrical](htts://www.mrosupply.com/electrical/)
- Unit of measure: each
- Weight: 1800.000 lb
- Returns: Yes
- Technicall support: contact supplier for technical support on 4153324100


## Product images:
- https://static.mrosupply.com/images/noimage.webp


## Product attributes;

  
- Approval: CSA, UL
  

  
- Availability: Custom sizes, ratings and styles available upon request
  

  
- BIL: 10kV BIL on all 3 phase DOE 2016 product
  

  
- Certification: UL Listed, CSA Certified
  

  
- Duty: General duty
  

  
- Efficiency regulation: DOE 2016 (US), NRCAN 2019 (Canada), NMX 2021 (Mexico)
  

  
- Enclosure dimensions: 52in/1321mm(H), 37.5in/953mm(W), 34in/864mm(D)
  

  
- Enclosure finish: ANSI 61 grey, UL50
  

  
- Enclosure ground assembly: No
  

  
- Enclosure IR window: No
  

  
- Enclosure PN (NPL): DH5-N3R
  

  
- Enclosure type: Type 3R / IP24
  

  
- Frequency: 60 Hz (some 50 Hz)
  

  
- Impedance (std): 3.5% - 7%
  

  
- Insulation class: 220°C
  

  
- Insulation Class: Standard 150 deg C temperature rise and 220 deg C
  

  
- Material: Copper and aluminum available
  

  
- Nameplate: HPS standard
  

  
- Net weight (NPL): 1950 lb / 885 kg, Typically Stocked
  

  
- Non-linear load (K-factor rating): General Purpose
  

  
- Phase: Three phase
  

  
- Primary BIL: 10kV
  

  
- Primary connection: Delta
  

  
- Primary FCAN (NPL): 2x2.5%
  

  
- Primary FCBN (NPL): 4x2.5%
  

  
- Primary termination (NPL): Mounting pads
  

  
- Primary voltage: 600D
  

  
- Rating: 300 kVA
  

  
- Ratings: 15 to 333 kVA single phase and 15 to 1500 kVA three phase
  

  
- Secondary BIL: 10kV
  

  
- Secondary connection: Wye-N
  

  
- Secondary termination (NPL): Mounting pads
  

  
- Secondary voltage: 480Y/277
  

  
- Seismic compliance: IBC 2018 (Sds=2.0, z/h=0, lp=1.5)
  

  
- Sentinel general purpose: 3ph 300kVA 600V-480Y/277V 60Hz AL
  

  
- Sound level: 55 dBA (NEMA ST-20)
  

  
- Standard kVA: 300
  

  
- Temperature rise: 150°C
  

  
- Vector configuration: Dyn1 (-30°)
  
## Product documents / software:

- [Brochure](https://documents.mrosupply.com/product_documents/63/76/6376276/cient-Low-Voltage-Distribution-Selection-Guide.pdf)
- [Encl Reference Drawing (PDF)](https://documents.mrosupply.com/product_documents/57/90/5790290/DH5-N3R-SNTLG3-3PH_nULDbCl.pdf)
- [Enclosure CAD Drawing (PDF)](https://documents.mrosupply.com/product_documents/57/90/5790624/DH5-N3R_JGuHPZj.pdf)
- [Engineering Drawing (PDF)](https://documents.mrosupply.com/product_documents/28/39/2839165/SG3A0300PK_T3bWubv.pdf)
- [Installation Manual](https://documents.mrosupply.com/product_documents/64/20/6420994/NH-Series-or-NJ1-NJ4-Type-Enclosures-IOMGDDI_Z0NfNJ3.pdf)
- [Enclosure CAD Drawing (DXF)](https://documents.mrosupply.com/product_documents/57/90/5790624/DH5-N3R_YuBm73N.dxf)
- [Enclosure CAD Drawing (STEP)](https://documents.mrosupply.com/product_documents/28/39/2839165/1685486_K2YcTo5.stp)

## Product's reviews:
- Shipped fast, great product - Found these at a good price, shipped very fast. Nice quality.
- Great price and fast shipping - MRO exceeded expectations, with a great price and fast shipping.
- Hps c1f002wes - I was looking for a 2KVA isolation transformer, and I found it at MROSupply! Delivery was quick, and once I installed it everything worked as expected. I highly recommend this product to customers looking for a similar transformer.