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Matched our existing hardware and fit as expected. Clean install.
Maintenance · Retrofit work
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circuit-breaker
ABB JL3-B300 Circuit Breaker, 300A, 3-Pole, 600V
★★★★★
| Part Number | JL3-B300 |
| Amperes | 300 |
| Poles | 3 |
| Voltage | 600 |
| Product Type | circuit-breaker |
Regular price
$460.00
Sale price
$460.00
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.
ABB JL3-B300 Circuit Breaker, 300A, 3-Pole, 600V
Regular price
$460.00
Sale price
$460.00
Regular price
Unit price
Product description
Shipping
The ABB JL3-B300 Circuit Breaker delivers trusted, OEM-grade protection for demanding industrial electrical systems. With 300 A across three poles and a 600 V rating, this genuine ABB component is built to safeguard three-phase power distribution in service entrances, panels, and retrofit projects where reliability matters most.
- Part Number: JL3-B300
- Current Rating: 300 A
- Pole Configuration: 3-pole
- Voltage Rating: 600 V
- Type: Circuit Breaker
- Manufacturer: ABB
Ideal for industrial service, maintenance, and replacement scenarios, the JL3-B300 is well-suited for three-phase feeders, control panels, and service disconnects where a robust, OEM-grade protection device is required. Its 3-pole design ensures balanced protection across all phases, helping to maintain electrical stability in demanding environments.
Important compatibility note: verify fit by part number and application requirements. If you’re unsure about whether JL3-B300 is the right match for your equipment, message us and we’ll help confirm compatibility and guide you to the correct part for your panel or distribution setup.
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What Our Customers Say
General feedback we often hear from customers purchasing industrial electrical parts.
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Quick confirmation on details and a smooth ordering process.
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Came well packed. Labeling made receiving and staging easy.
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