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www.ccr.gov
CAGE Code: 5DME2
ITAR Registration Code: M28889

- March 25th 2017 -
Call: 1 (800) 377-3244
We Are Open Monday-Friday 8 am - 5 pm PT
E-mail: sales@coilws.com


Single and 3 Phase Oil Filled Distribution Transformers for 50/60 Hz

Single Phase and 3 Phase Oil Filled Distribution transformers are fail-safe with a long life expectancy. The fluid used are Shell Diala or BP JS-V/JS-A which are extremely stable and long lasting. During operation, the windings can be exposed to high electrical stress by external overloads and high mechanical stress by short-circuits. The transformers are designed with the best safety features in the industry, including accidental short circuits protection. The low-voltage windings are made of strip or flat wire, and the high-voltage windings are made from round wire or flat wire.
These hermetically sealed oil filled distribution transformers are low cost but are very high quality and are manufactured using grain-oriented (G.O) steel. The top cover is bolted down to the main body with hermetical sealing. The High Voltage(HV)is Delta connection and the Low Voltage (LV) is Star or Y connection with the neutral wire. An earthling with a resistance of 21.1 ohms to limit earth fault current to 300 amps is available as an option.
These transformers are for outdoor installations with brown bushing insulators mounted on top of the transformer for both the High Tension (HT) and Low Tension (LT) with an arching horn on the HT bushing.
The operational temperature rating is -10 deg C to +40 deg C ambient. Humidity rating is 95% ambient. All manufacturing standards and testing standards are based IEC Specifications.

Custom design are available. Please contact our sales@coilws.com for pricing and details. Coil Winding Specialist Inc custom designed oil filled grain oriented steel transformers are rated up to 10,000 KVA or 10 MVA. High Voltage of 22.9KVA, 6.6 KVA, 3.3KVA stepping down to any Low Voltage levels required by the end user. Higher efficiency and energy savings oil filled distribution transformers design and built with Amorphous Metal (AMDT) are also available.
The pricing shown below are for reference only. Please contact us for quotes and delivery.



  Part Number KVA Rating Frequency (HZ) Phase High Voltage (HV, VAC) Low Voltage (LV, VAC) Dimension
L x D x H
Weight Price  
  3P1000K-11KV-415V 1000 KVA 50 / 60 Hz 3 Phase 11,000 Volts 415 volts 1500x1300x1800 mm 3780 Kgs $49,000.00
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  3P630K-11KV-415V 630 KVA 50 / 60 Hz 3 Phase 11,000 Volts 415 Volts 1500 x 1200 x 1600 mm 2620 Kgs $34,900.00
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  3P400K-11KV-415V 400 KVA 50 / 60 Hz 3 Phase 11,000 Volts 416 Volts 1400 x 1000 x 1400 mm 1880 Kgs $26,900.00
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  3P250K-11KV-415V 250 KVA 50 / 60 Hz 3 Phase 11,000 Volts 415 Volts 1230 x 700 x 1300 mm 1260 Kgs $18,000.00
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  3P100K-11KV-415V 100 KVA 50 / 60 Hz 3 Phase 11,000 Volts 415 Volts 1220 x 600 x 1200 mm 650 Kgs $11,900.00
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  3P1000K-23KV-415V 1000 KVA 50 / 60 Hz 3 Phase 22,900 Volts 415 Volts 2100 x 1570 x 1570 mm 2710 Kgs $49,000.00
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  3P750K-23KV-415V 750 KVA 50 / 60 Hz 3 Phase 22,900 Volts 415 Volts 1910 x 1480 x 1480 mm 2150 Kgs $37,500.00
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Disclaimer: Coil Winding Specialist, Inc., its affiliates, agents, and employees acting on behalf of Coil Winding Specialist, Inc. (collectively, CWS) disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein or in any other disclosure relating to any product. CWS reserves the right at any time and from time to time to make changes to design, technical specification, or construction of any product listed on this website without notice. CWS also reserves the right to discontinue or limit sale of any product or service available throughout this website on temporary or permanently basis without notice. CWS highly recommends customers not to use its products offered on this website for inappropriate use and applications. Products should be tested for its suitability by prospective customers in all possible applications and conditions. Customers using or selling CWS products for use in other than recommended applications do so entirely at their own risk and agree to fully indemnify CWS from any damages arising or resulting from such use or sale.


Any Comments, Suggestions or Questions? Contact us! Email: sales@coilws.com
CWS 353 West Grove Ave. Orange, California 92865
Call us Toll Free: 1-800-679-3184 or 1 (800) 377-3244

Tel: (714) 279-9010, Fax: (714) 279-9482

Copyright 2008, Coil Winding Specialist, Inc
Updated July, 2013

CAGE Code: 5DME2(Registered with www.ccr.gov)