Square D | Q2M2100MB | Circuit Breaker | 2-Pole | Bolt-On

The Square D Q2M2100MB two-pole bolt-on circuit breaker is engineered for reliable dual-circuit protection in compatible Square D panels. Perfect for maintenance, retrofit, and replacement projects, this exact part ensures you can restore dependable operation without overhauling your panel layout.

• 2-Pole bolt-on design: secure mounting and solid electrical connections that stay tight under load, supporting two separate circuits with a single, compact unit.
• Part number Q2M2100MB: precise compatibility reference for Square D panels that accept the Q2M bolt-on family, helping you avoid mismatches during replacements.
• Intended applications: ideal for maintenance, retrofit, and replacement tasks where matching specs and form factor are required.
• Compatibility note: confirm fit and ratings before ordering; the part number is the best reference for compatibility with your panel.

Why this matters: when upgrading or refreshing a panel, using the exact Q2M2100MB ensures seamless electrical protection, minimizes downtime, and keeps your system aligned with Square D’s engineering standards. The bolt-on style simplifies installation in the right panel configurations, reducing the complexity and time of replacement projects.

Ideal use cases

• Maintenance tasks on commercial or industrial panels that require a precise two-pole, bolt-on breaker
• Retrofits where upgrading to a robust, Square D-certified dual-pole solution is needed
• Replacement of a failed or out-of-spec breaker within panels compatible with the Q2M2100MB family

Compatibility and quick-install tips

• Only install in panels that accept Square D Q2M bolt-on circuit breakers
• Always verify fit and ratings against your panel’s documentation before ordering
• Follow standard safety procedures and manufacturer torque guidelines during installation

Secure the exact Square D Q2M2100MB circuit breaker for dependable, two-pole protection. If you’re updating or stocking spare parts for compatible panels, this bolt-on model is the precise, reliable choice to keep circuits safeguarded and running smoothly.