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Circuit Breaker

General Electric | THJK436400 | Circuit Breaker | 400A | 3-Pole | 600V

★★★★★
Part Number THJK436400
Amperes 400
Poles 3
Voltage 600
Product Type Circuit Breaker
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Manufacturer :General Electric
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Replacement available
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Picture available on request
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CSA / UL Approved
Regular price $4,022.00
Sale price $4,022.00 Regular price
Unit price
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Seamless online shopping experience guaranteed with easy shipping and returns policy.

Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.

Icon
Secure transaction
Icon
FREE & fast shipping on orders over $49
Icon
CSA approved with 1 year warranty
Icon
30 day returns
Allen-Bradley 140M-C2E-C16 - Standard Magnetic Trip Breaker Motor Protection - Standard Magnetic Trip Breaker Motor Protection

General Electric | THJK436400 | Circuit Breaker | 400A | 3-Pole | 600V

Regular price $4,022.00
Sale price $4,022.00 Regular price
Unit price
Product description
Shipping

Meet the General Electric THJK436400 circuit breaker—a purpose-built protection device for demanding electrical systems. With a 400A rating, 3-pole configuration for true three-phase protection, and a 600V operating envelope, this unit is crafted for maintenance, retrofit, and replacement projects where exact specifications matter. Built to endure the rigors of commercial and industrial panel environments, it delivers reliable interruption protection when it’s most needed.

Key specifications

  • Amperage: 400A
  • Poles: 3-Pole
  • Voltage: 600V
  • Part number: THJK436400
  • Ideal uses: maintenance, retrofit, and replacement where matching specs are required

Why this GE circuit breaker stands out

  • Three-pole design delivers balanced protection for three-phase circuits, reducing the risk of uneven loading and equipment damage.
  • 400A capability handles substantial feeder and motor loads common in commercial and industrial applications.
  • 600V rating aligns with standard industrial distribution systems, helping you maintain safe and reliable operation across your electrical infrastructure.
  • The THJK436400 part number serves as the best compatibility reference, simplifying inventory management and replacement accuracy.
  • Specifically suited for scenarios that require precise matching of amperage, poles, and voltage—ensuring seamless retrofits and reliable replacements.

Use cases and practical considerations

Ideal for upgrading aging protection in service panels, replacing worn-out breakers in 3-phase systems, or provisioning a spare that matches exact GE specifications. This unit fits in applications where a 400A, 3-pole, 600V circuit breaker is the appropriate safeguard for power distribution and motor-control circuits. When planning a retrofit or a replacement, aligning with the THJK436400 specifications helps minimize downtime and compatibility surprises.

Important: Confirm fit and ratings before ordering. The part number THJK436400 is the best reference for compatibility with your equipment.

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What Our Customers Say

4.9 (38 reviews)

General feedback we often hear from customers purchasing industrial electrical parts.

Verified

Matched our existing hardware and fit as expected. Clean install.

Maintenance · Retrofit work

Verified

Quick confirmation on details and a smooth ordering process.

Purchasing · Fast turnaround

Verified

Came well packed. Labeling made receiving and staging easy.

Warehouse · Receiving

Fast industrial sourcing support

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Email us at sales@ampstate.com for pricing, availability, alternates, and project support.

Email for a quote Typical reply: same business day