MT-BBT-480Y-380Y.220-3P-781A
3-Phase Wye Buck/Boost Step-Down Transformer - 480V Wye Primary - 380Y/220 Wye
Secondary - 781 Amps
Product ID: 282191
Larson Electronics LLC manufactures a wide variety of products, including custom built to spec designs.
The pictures displayed for this unit are a general representation of form factor for the product line and
may not accurately represent this exact configuration in every detail due to custom builds and changes
between similar products in our standard catalog. The specifics for this configuration are listed in the
specification table and supporting documentation (CAD files, Dimensional Drawing, Name Plate Diagram,
Wiring Diagram, etc.). This means that specific details (receptacles, plugs, wires, connections, mounting
brackets, external finishes, etc.) may not be accurately represented in images vs specifications. Please
review specifications and do not order based solely on images.
MT-BBT-480Y-380Y.220-3P-781A Buck and Boost Step-Down Transformer
Ratings
Transformer Type: Buck/Boost Step-Down Autotransformer
NRTL Listed for United States
Phase: Three Phase
CSA Certified for Canada
Frequency: 50/60 Hz
NEMA 3R Indoor/Outdoor Enclosure
Input Voltage: 480 V Wye
Meets or Exceeds NEMA ST-20 Standards
Primary Amps: 625 A @ 480 V Wye
Buck and Boost Step-Down Transformer
Primary Configuration: Delta
kVA: 519
Output Voltage: 380Y/220 V Wye
Secondary Amps: 781 A @ 380Y/220 V Wye
Voltage Difference: 79%
Winding Material: Copper
Knockouts: Side and Rear
Primary Termination: Front Access Copper Tabs or Lead Wires
Secondary Termination: Front Access Copper Tabs or Lead Wires
Cooling: Air / Dry Type
Insulation: 220°C
Temperature Rise: 150°C
Sound Level: 36 dB
Enclosure Rating: NEMA 3R
Encapsulation: Silica Sand & Resin Compounds
Enclosure Material: NEMA Type 3R Heavy Duty Ventilated
Special Orders - Requirements
Finish: ANSI 61 Grey
Contact us for special requirements
Mounting: Floor Mount
Toll Free: 1-800-369-6671
Dimensions: 26.88"-L x 95.70"-W x 35.47"-H
Intl: 1-214-616-6180
Weight: 1,290 lb
E-mail:
1
Larson Electronics LLC
9419 E US HWY 175, Kemp, TX 75143
Phone: 800.369.6671
www.LarsonElectronics.com
Email: [email protected]
Fax: 903.498.3364
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