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10 kVA 120/240 Volt to 240/480 Volt Single phase Isolation Transformer SC10K-L

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Availability: NOT in stock. Current lead time to manufacture: 2-3 weeks

US$ 2,500.00

Quick Overview

Catalog No.: SC10K-L
Isolation Transformer 10 kVA • Single Phase • Primary: 120/240 Volt • Secondary: 240/480 Volt
Conductor: Copper. • Frequency 60 Hz.
US$ 2,500.00


Single phase Isolation Transformer SC10K-L has primary and secondary windings that are physically separated from each other. It allows AC power to be taken from one device and fed into another without electrically connecting the two circuits. The transformer blocks transmission of DC currents from one circuit to the other, but allow AC signals to pass, and also blocks interference caused by ground loops.

 Isolation Transformer general dimensions

Preliminary General Drawing. (Dimension, inch).

*All information and images presented here is based on preliminary data or design and may be changed without prior notice.
Request Drawing Proof to confirm dimensions from Optional Feature tab, if it is critical.

Isolation Transformer SC10K-L Winding Schematics:


II Single phase connection

Full Specification

Catalog No. SC10K-L
Product Type Isolation Transformer
Phase Single
Power Rating 10 kVA
Frequency, Hz 60
Vector Group II
Primary voltage 120/240 Volt
Primary Max Current, Amps 83.3A at 120 Volt or 41.7A at 240 Volt
Primary Terminals X1-X2-X3-X4, Interconnect X1-X3 and X2-X4 for Lower Voltage, or Higher Voltage: X2 to X3
Primary Terminal Lugs 2-14 AWG
Primary Voltage Taps none
Secondary Voltage 240/480 Volt
Secondary Max Current, Amps 41.7A at 240 Volt or 20.8A at 480 Volt
Secondary Terminals H1-H2-H3-H4, Interconnect for: Lower Voltage: H1 to H3 and H2 to H4, or Higher Voltage: H2 to H3
Secondary Terminal Lugs 2-14 AWG
Winding Conductor Copper
Temperature Rise, °C 150
Insulation Class 220 (R)
Insulation Level, (B.I.L), kVA 10
Efficiency at 35% Load, % 96.5
ANSI/IEEE Impedance, % 5.0-6.0
Sound Level, dB 45
Standards, Certifications, Compliances: CSA Standard C22.2. No.47 Air Cooled Transformers (Dry Type)., CSA certified. File No. LR34493
Seismic Qualified SDS=1.60g 2/h=1.0 OSHPD OSP-0109-10 for USA zone 4 and Canada zone 6.
UL Listed. File No.E108255., ISO9001 Quality Certification.
Enclosure Type Nema 3R. General purpose indoor ventilated steel enclosure suitable for dry locations. Sprinkler Proof when angle between sprinkler and opening does not exceed 45° (IP14). FINISH - Polyester powder coat.
Weight, Lbs 140.0
Country of Manufacture Canada

Transformer Calculator

Help: To calculate required kVA of the transformer enter Load Amps, Load Volt and press "Required kVA" button. Also you can calculate Current from other two parameters.
Note: Recommended add up to 20% to the calculated kVA