Square D | Q2M2100VH | Circuit Breaker | 100A | 2-Pole | 240V

Meet the Square D Q2M2100VH, a 100-amp, 2-pole circuit breaker designed for 240-volt circuits. Engineered for maintenance, retrofit, and replacement projects where exact specifications matter, this device provides dependable overcurrent protection while keeping your electrical system safe and reliable.

Key specifications

• Amperage: 100 A
• Poles: 2-Pole
• Voltage Rating: 240 V
• Part reference: Q2M2100VH

Why this model stands out

This breaker is built to deliver consistent protection for 240V circuits with a true two-pole disconnect, ensuring both conductors are isolated during a trip. Its design aligns with Square D standards, offering reliable performance in panels that require precise fit and compatibility. For technicians and property owners, the Q2M2100VH delivers a straightforward, drop-in solution that minimizes downtime during service or upgrades.

Compatibility and fit

Before you order, confirm fit and ratings against your panel’s labeling. The part number Q2M2100VH is your best reference for compatibility with Square D panels that call for a 100A, 2-pole, 240V device. If your system requires this exact configuration, this breaker is designed to integrate smoothly with your existing protection scheme.

Ideal use cases

• Retrofit projects that update old panels to current protection standards
• Maintenance or replacement of worn or failing breakers in 240V circuits
• New installations in systems needing a 100A, 2-pole, 240V protection device with Square D reliability

Installation and safety tips

• Shut off power at the main disconnect and verify there is no voltage at the circuit before installation
• Follow local electrical codes and the panel manufacturer’s guidelines for 100A, 2-pole devices
• Use appropriate conductors and apply the correct torque as specified by the panel manufacturer
• Keep spare breakers in a dry, clean environment to prevent corrosion or damage

Care and maintenance

Periodically inspect the breaker for signs of wear, overheating, or physical damage. If you notice discoloration, cracking, or inconsistent trips, replace with the exact model to maintain proper system protection and reliability. Using the correct part reference, such as Q2M2100VH, helps preserve warranty coverage and panel integrity.