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Matched our existing hardware and fit as expected. Clean install.
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Circuit Breaker
General Electric | TB43T300 | Circuit Breaker | 300A | 3-Pole | 600V
| Amperes | 300 |
| Poles | 3 |
| Voltage | 600 |
| Product Type | Circuit Breaker |
Regular price
$510.00
Sale price
$510.00
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.
General Electric | TB43T300 | Circuit Breaker | 300A | 3-Pole | 600V
Regular price
$510.00
Sale price
$510.00
Regular price
Unit price
Product description
Shipping
General Electric's TB43T300 circuit breaker delivers dependable overcurrent protection for three‑phase, 600V systems. With a 300A rating and a 3‑pole configuration, this OEM device is the precise replacement or retrofit choice when exact compatibility matters for GE panels and gear.
Why the TB43T300 stands out
- 3‑Pole, 600V performance: Made to safeguard three‑phase circuits up to 600V, providing reliable protection for demanding industrial electrical systems.
- Exact OEM compatibility: The part number TB43T300 is the strongest reference for matching GE panels and equipment, reducing the risk of misfit or mismatched trip characteristics.
- Efficient maintenance and retrofit: Designed for straightforward replacement in existing GE installations, helping you restore service quickly without reconfiguring wiring or protection schemes.
- Durable GE engineering: Built to GE standards, offering consistent trip performance and long‑term durability in challenging environments.
Ideal use cases
- Maintenance or retrofit projects on GE electrical panels that require TB43T300 or a 3‑pole 600V breaker.
- Replacement of aging or failed breakers in commercial, industrial, or manufacturing facilities with three‑phase loads.
- New equipment feeds or panel upgrades where preserving original protection architecture and coordination is important.
How to verify compatibility and install
Before ordering, confirm that the breaker's amperage (300A), pole count (3‑Pole), and voltage rating (600V) match your panel’s specifications. Use the TB43T300 part number as the primary compatibility reference to ensure a proper fit and electrical performance. For installation, rely on licensed electricians and follow local electrical codes and the panel’s wiring diagrams.
Specifications at a glance
Amperage: 300A • Poles: 3‑Pole • Voltage: 600V • Part number: TB43T300
Choose this General Electric TB43T300 circuit breaker for a precise, OEM‑matched solution that protects your three‑phase, high‑voltage applications with clarity and confidence.
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