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Used frames in Canada

  • Trusted Seller
    SIEMENS CFD63A250

    SIEMENS CFD63A250

    • Manufacturer: Siemens
    • Model: CFD63A250
    • Phase type: Three-phase

    Amps: 250 amps | Series: Sentron | # of poles: 3 | Mounting style: Bolt-On | Voltage: 600 volts | Phase: 3-phase | Frame: ED | Functions: Instantaneous | Trip range: 1100 to 2500 | Trip type: Thermal/Magnetic | ...

    $1,082 USD
    British Columbia, Canada
  • Trusted Seller
    SIEMENS CFD63A250

    SIEMENS CFD63A250

    • Manufacturer: Siemens
    • Model: CFD63A250
    • Phase type: Three-phase

    Amps: 250 amps | Series: Sentron | # of poles: 3 | Mounting style: Plug-In | Voltage: 600 volts | Phase: 3-phase | Made in: UNITED STATES | Frame: ED | Functions: Instantaneous | Trip range: 1100 to 2500 | Trip ...

    $721 USD
    British Columbia, Canada
  • Trusted Seller
    2017 SIEMENS FXD63B250

    2017 SIEMENS FXD63B250

    • Manufacturer: Siemens
    • Model: FXD63B250
    • Phase type: Three-phase

    Overview: Interrupting Capacity: 35 kA at 480 VAC 22 kA at 600 VAC

    $433 USD
    British Columbia, Canada
  • Trusted Seller
    Allen-Bradley 140G-G6C3-C80

    Allen-Bradley 140G-G6C3-C80

    • Manufacturer: Allen-Bradley
    • Model: 140G

    🔧 Key Features - Model: Allen-Bradley 140G-G6C3-C80 - Type: Molded Case Circuit Breaker (MCCB) - Frame Size: G Frame (125 A) - Rated Current: 80 A - Poles: 3-Pole - Trip Unit: Fixed Thermal Magnetic (T/M) - Inte...

    $252 USD
    Delson, Canada
  • Trusted Seller
    Cutler-Hammer EHD 14K Series C

    Cutler-Hammer EHD 14K Series C

    • Manufacturer: Cutler-Hammer

    🔧 Key Specifications - Model: Cutler-Hammer Series C EHD 14K - Type: Molded Case Circuit Breaker (MCCB) - Frame Type: F-Frame - Rated Current: Varies by model (e.g., EHD3100 = 100 A) - Poles: 3-Pole - Voltage Ra...

    $108 USD
    Delson, Canada
  • Trusted Seller
    Allen-Bradley 140G-G2C3-C32

    Allen-Bradley 140G-G2C3-C32

    • Manufacturer: Allen-Bradley
    • Model: 140G

    🔧 Key Specifications - Model: Allen-Bradley 140G-G2C3-C32 - Type: Molded Case Circuit Breaker (MCCB) - Frame Size: G Frame (125 A max) - Rated Current: 32 A - Poles: 3-Pole - Trip Unit: Fixed Thermal Magnetic (T...

    $216 USD
    Delson, Canada
  • Trusted Seller
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    SIEMENS Molded Case Circuit Breaker

    • Manufacturer: Siemens

    SOLD AS IS QJ23B200, Siemens, QJ Frame, type QJ2, 3P, 3PH, 200A, 240V, 10kA@240V, standard interrupting capacity, bolt-on, complete with non-interchangeable trip, LI – Long-Time and Instantaneous trip functions a...

    $707 USD
    Vancouver, Canada

Overview

Molded case circuit breakers (MCCBs) are low-voltage protection devices that interrupt overloads and short circuits. They combine a molded insulating case with adjustable thermal-magnetic or electronic trip units, offering broad ampere ranges and high interrupting capacity. MCCBs are used in industrial panels, motor control and building distribution where precise trip settings and fault tolerance are required. Selection depends on frame size, trip type, voltage rating and interrupting capacity (kA).

FAQ

What should I consider when buying a used MCCB?

Check ampere rating, interrupting capacity (kA), trip unit type (thermal‑magnetic or electronic), frame vs. trip rating, physical condition, signs of overheating or corrosion, service history, and compatibility with your panel bus and standards.

How do I ensure an MCCB is shipped safely?

De‑energize and tag the breaker, protect and cap terminals, pack in a sturdy crate or pallet with moisture protection, immobilize the unit, use a carrier experienced with electrical equipment and insure the shipment.

What is a practical maintenance schedule for an MCCB?

Perform visual inspections monthly/quarterly, clean dust, torque terminals after installation, exercise trip mechanism and perform trip tests annually or per manufacturer, and run insulation/thermal checks yearly.