# Hammond Power Solutions DM020KD Drive Isolation Transformer 3-Phase 20 kVA 480V Delta to 240Y/139V Aluminum Type 3R - MROSupply.com

***Hammond Power Solutions DM020KD drive isolation transformer, 3-phase 20 kVA, 480V delta primary to 240Y/139V wye secondary, aluminum windings, 150°C rise, 220°C insulation system, Type 3R enclosure, 60 Hz, UL and CSA listed. Designed for VFD isolation and voltage matching.***



## Product details:

- Catalog number: DM020KD
- SKU: 2836720
- Price: ***$2,955.91*** 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: 
    - [Drive Isolation Transformers](htts://www.mrosupply.com/electrical/transformers/drive-isolation-transformers/)
    - [Transformers](htts://www.mrosupply.com/electrical/transformers/)
    - [Electrical](htts://www.mrosupply.com/electrical/)
- Unit of measure: each
- Weight: 240.000 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
  

  
- Certification: CSA certified
  

  
- Drive isolation transformer: 3ph 20kVA 480V-240Y/139V 60Hz AL
  

  
- Duty: General duty
  

  
- Efficiency regulation: Not specified (USA)
  

  
- Enclosure dimensions: 28.75in/731mm(H), 23.9in/608mm(W), 25in/635mm(D)
  

  
- Enclosure finish: ANSI 61 grey, UL50
  

  
- Enclosure IR window: No
  

  
- Enclosure PN (NPL): NH6-N3R
  

  
- Enclosure type: Type 3R / IP24
  

  
- Frequency: 60 Hz
  

  
- Impedance (std): 3% - 6%
  

  
- Insulation class: 220°C
  

  
- Insulation System: 220°C (150°C rise)
  

  
- Material: Copper and aluminum available
  

  
- Motor HP: Not Selected
  

  
- Nameplate: HPS standard
  

  
- Net weight (NPL): 230 lb / 105 kg
  

  
- Number of secondaries: 1 (6-pulse)
  

  
- Phase: Three phase
  

  
- Primary connection: Delta
  

  
- Primary FCAN (NPL): 1x5%
  

  
- Primary FCBN (NPL): 1x5%
  

  
- Primary termination (NPL): Mechanical lugs
  

  
- Primary voltage: 208D, 230D, 460D, 480D, 575D
  

  
- Rating: 20 kVA
  

  
- Ratings: 7.5 to 660 kVA
  

  
- Secondary connection: Wye-N
  

  
- Secondary termination (NPL): Mechanical lugs
  

  
- Secondary voltage: 240Y/139
  

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

  
- Sound level: 45 dBA (NEMA ST-20)
  

  
- Standard kVA: 20
  

  
- Temperature rise: 150°C
  

  
- Thermal protective device: Normally closed (all coils) thermostats with 200°C setpoint, typically stocked
  

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

- [Brochure](https://documents.mrosupply.com/product_documents/60/94/6094015/HPS-Tribune-Non-Efficient-Brochure_yGyq0dR.pdf)
- [Enclosure CAD Drawing (PDF)](https://documents.mrosupply.com/product_documents/57/90/5790681/NH6-N3R_1QdhHoy.pdf)
- [Engineering Drawing (PDF)](https://documents.mrosupply.com/product_documents/28/36/2836720/DM020KD_jNmBG2G.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/57/90/5790681/NH6-N3R_w4TRKWt.dxf)
- [Enclosure CAD Drawing (STEP)](https://documents.mrosupply.com/product_documents/28/36/2836720/1691705_WmCSd70.stp)

## Product's reviews:
- Shipped fast, great product - Found these at a good price, shipped very fast. Nice quality.
- 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.
- Great price and fast shipping - MRO exceeded expectations, with a great price and fast shipping.