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Used Siemens Isolation Transformers in Canada

  • Trusted Seller
    Siemens 220 kVA Drive Isolation

    Siemens 220 kVA Drive Isolation Transformer

    • Manufacturer: Siemens

    Siemens Drive Isolation Transformer. 220 kVA. 3 phase. 60 Hz. Dry type. 423 series.

    Savona, Canada
  • Trusted Seller
    SIEMENS 150 hp, 460 Volts,

    SIEMENS 150 hp, 460 Volts, 3-Phase VFD w/ 175 kVA Isolation Transformer – Electrical VFD Drives

    • Manufacturer: Siemens
    • Phase type: Three-phase

    Horsepower: 150 hp | Voltage: 460 volts | Phase: 3-phase | Amps: 200 amps | Input voltage: 460 V | Input amps: 200 A | Output voltage: 500 V | Output amps: 237 A | Overload amps: 356 A | Field supply output rati...

    $4,404 USD
    British Columbia, Canada
  • Trusted Seller
    SIEMENS 150 hp, 460 Volts,

    SIEMENS 150 hp, 460 Volts, 3-Phase VFD w/ 175 kVA Isolation Transformer – Electrical VFD Drives

    • Manufacturer: Siemens
    • Phase type: Three-phase

    Horsepower: 150 hp | Phase: 3-phase | Input voltage: 460 V | Input amps: 200 A | Output voltage: 500 V | Output amps: 237 A | Overload amps: 356 A | Field supply output ratings: 300 V, 4.1 A | Part no.: S2-49676...

    $4,404 USD
    British Columbia, Canada
  • Trusted Seller
    SIEMENS S3G3015C

    SIEMENS S3G3015C

    • Manufacturer: Siemens
    • Phase type: Three-phase

    Kva: 15 kVA | Primary voltage: 600 volts | Secondary voltage: 208/120 volts | Phase: 3-phase | Auto vs isolation: Isolation | Oil vs dry: Dry | Enclosure type: Nema 1 | Made in: CANADA

    $872 USD
    British Columbia, Canada
  • Trusted Seller
    SIEMENS CDTA0112VVA6XXBA

    SIEMENS CDTA0112VVA6XXBA

    • Manufacturer: Siemens
    • Model: CDTA0112VVA6XXBA
    • Phase type: Three-phase

    Kva: 112.5 kVA | Primary voltage: 600 volts | Secondary voltage: 600 volts | Phase: 3-phase | Auto vs isolation: Isolation | Oil vs dry: Dry | Enclosure type: Nema 1 | Cat no.: T3G70112A5VXX? | Class: 220

    $1,321 USD
    British Columbia, Canada

Overview

Isolation transformers provide electrical separation between the supply and the load to reduce electrical noise, prevent ground loops, and improve personnel and equipment safety. Common in industrial and control applications, they come in dry or oil-filled designs, single- or three-phase, and a wide range of kVA ratings. They protect sensitive electronics and stabilize power for panels, drives, and mobile equipment charging.

FAQ

What should I consider when buying a used isolation transformer?

Check kVA rating, primary/secondary voltages, phase, impedance, insulation condition, nameplate details and test records. Verify oil condition for oil-filled units, look for corrosion or damage, and request recent ratio and insulation resistance tests.

How do I ensure the isolation transformer is shipped safely?

Use a carrier experienced with heavy electrical gear, secure lifting points and skids, drain oil if required and comply with hazmat rules for oil-filled units. Crate or brace the unit, label weight and center of gravity, and insure for transit.

What is the maintenance schedule for an isolation transformer?

Perform visual checks monthly, tighten connections and inspect bushings yearly, carry out insulation resistance and turns-ratio tests annually, do oil sampling and treatment per manufacturer intervals, and use thermography for load checks.