Consistent quality. We’ve added similar items to our regular reorder list.
MRO · Reorder
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| Amperes | 150 |
| Poles | 3 |
| Voltage | 600 |
| Product Type | Circuit Breaker |
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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.
Designed for robust protection in 3-phase systems, the Westinghouse JB3150 circuit breaker delivers dependable overcurrent protection at 150 A and 600 V. Whether you’re performing a retrofit, replacement, or routine maintenance, this unit matches the exact specifications your panel demands.
Why this matters: A 3-pole design ensures balanced protection across all three hot legs, helping prevent phase imbalances and electrical faults from escalating. The 150 A rating is well-suited for large branch circuits or main feeders in commercial environments, providing reliable trip performance when fault conditions occur.
Best-fit and compatibility: To ensure seamless replacement, rely on the JB3150 part number as the primary reference for compatibility. Always confirm fit and ratings with your panel manufacturer’s guidance before ordering.
Ideal use cases:
Practical tips for installation and care:
Contact sales@ampstate.com
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General feedback we often hear from customers purchasing industrial electrical parts.
Consistent quality. We’ve added similar items to our regular reorder list.
MRO · Reorder
Support is responsive when we have questions about fit or application.
Purchasing · Quick answers
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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