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Circuit Breaker

General Electric | THJK426300WL | Circuit Breaker | 300A | 2-Pole | 600V

Part Number THJK426300WL
Amperes 300
Poles 2
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 $26,114.00
Sale price $26,114.00 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
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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 | THJK426300WL | Circuit Breaker | 300A | 2-Pole | 600V

Regular price $26,114.00
Sale price $26,114.00 Regular price
Unit price
Product description
Shipping

Meet the General Electric THJK426300WL circuit breaker—a purpose-built protection device designed for high-demand electrical systems. With a 300A rating, 2-pole configuration, and a 600V maximum rating, this unit is engineered to safeguard complex circuits in industrial and commercial settings while supporting reliable maintenance, retrofit, and replacement projects.

Why this GE circuit breaker stands out

  • OEM-grade reliability: Identified by part number THJK426300WL, ensuring precise fit and dependable performance in compatible panels and switchgear.
  • Two-pole protection: Simultaneously safeguards two conductors, ideal for multi-wire branch circuits and shared-neutral systems common in commercial installations.
  • High-capacity protection: 300A capacity provides robust current protection for demanding loads while helping prevent line-side faults from propagating.
  • Versatile voltage rating: Suitable for up to 600V systems, aligning with a wide range of industrial applications and panel designs.
  • Spec-matched for replacements: Specifically intended for maintenance, retrofit, and replacement where exact specifications are required to maintain system integrity.

Ideal use cases and scenarios

Use the THJK426300WL in environments where equipment reliability and fast fault isolation matter. It’s well-suited for:

  • Retrofits in existing GE panels or compatible switchgear where a 2-pole, 600V, 300A protective device is specified.
  • Maintenance projects that require a direct, spec-matched replacement to minimize downtime.
  • New installations in commercial or light-industrial electrical distributions that demand solid overcurrent protection at high current levels.

How to verify compatibility

Before ordering, confirm that your equipment’s fit and rating align with this part. The THJK426300WL is the best reference for compatibility, helping you avoid mismatches and ensure a seamless swap into your panel or gear.

Key specifications at a glance

  • Amperage: 300A
  • Poles: 2-Pole
  • Voltage: 600V

Upgrade your protection with a GE circuit breaker designed for durability, precise compatibility, and practical use in real-world maintenance and retrofit projects. Add the THJK426300WL to your cart to secure reliable, spec-aligned circuit protection for demanding electrical systems.

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What Our Customers Say

4.9 (38 reviews)

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

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Consistent quality. We’ve added similar items to our regular reorder list.

MRO · Reorder

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Support is responsive when we have questions about fit or application.

Purchasing · Quick answers

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A reliable choice when we need industrial parts on short notice.

Service · Urgent replacement

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

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