Matched our existing hardware and fit as expected. Clean install.
Maintenance · Retrofit work
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| Part Number | LGB3B100 |
| Amperes | 100 |
| 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.
Siemens LGB3B100 Circuit Breaker is a 3-pole, 100 A protective device designed for industrial electrical service, maintenance, and replacement projects. With a 600 V rating, this breaker provides reliable protection for three-phase circuits and critical equipment in demanding environments. Use the part number LGB3B100 to confirm compatibility with your panel and application requirements.
The LGB3B100 is ideal for industrial service panels, motor control centers, and replacement projects where reliable three-phase protection is essential. It helps safeguard feeders, motors, pumps, conveyors, and other equipment from overloads and short circuits, ensuring minimal downtime and safer operation in manufacturing and facility infrastructure.
Why choose this Siemens breaker? It’s engineered for compatibility within Siemens ecosystems, streamlining installation and maintenance when upgrading or retrofitting power distribution. Its 3-pole configuration is well-suited for balanced three-phase systems, delivering consistent protection across all phases.
Key considerations for compatibility and installation: verify fit by part number and application requirements to ensure it matches your panel, bus arrangement, and system voltage. If you need help confirming compatibility or matching a part number, message us and we’ll assist you in identifying the right solution for your setup.
Contact sales@ampstate.com
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General feedback we often hear from customers purchasing industrial electrical parts.
Matched our existing hardware and fit as expected. Clean install.
Maintenance · Retrofit work
Quick confirmation on details and a smooth ordering process.
Purchasing · Fast turnaround
Came well packed. Labeling made receiving and staging easy.
Warehouse · Receiving
Fast industrial sourcing support
Email us at sales@ampstate.com for pricing, availability, alternates, and project support.
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