Siemens MBK3100 100A 3P 240V Circuit Breaker | AmpState

Siemens MBK3100 is a dependable 100A, 3-pole, 240V circuit breaker crafted for panelboards, load centers, and electrical distribution networks. Built to protect your electrical system from overloads and faults, this unit helps maintain continuous operation in demanding environments.

Key specifications at a glance:

• Manufacturer: Siemens
• Part Number: MBK3100
• Type: Circuit Breaker
• Amperage: 100 A
• Poles: 3
• Voltage: 240V

Why choose the MBK3100 from AmpState?

• Replacement-ready and BOM-aligned: Matches the original BOM so panel upgrades or maintenance doesn’t create labeling or fit issues.
• Smart stocking for downtime reduction: Keep a spare on hand to minimize outages and keep projects on schedule.
• Designed for 3‑phase distribution: Ideal for commercial or industrial applications where reliable 3‑pole protection at 240V is essential.
• Compatibility support: Not sure if it fits your panel? Message us and we’ll help confirm fit and ensure proper installation.

This MBK3100 is more than a replacement part—it’s a thoughtful choice for reliability and operational continuity in electrical systems. Whether you’re restoring an existing installation, stocking spare components for critical distribution panels, or aligning your BOM with Siemens specifications, this breaker delivers consistent performance and peace of mind.

Ideal use scenarios include service replacements in panelboards and load centers, proactive spare-stock for mission-critical facilities, and projects requiring exact Siemens MBK3100 compatibility to preserve labeling and trip characteristics. For expert confirmation of fit or guidance on installation, reach out to AmpState—we’ll help you verify compatibility and get you set with the right part.