Square D Q2L2100H Circuit Breaker, 100A, 2-Pole, 240V

Engineered for rugged reliability in demanding industrial environments, the Square D Q2L2100H is a 100-amp, 2-pole circuit breaker designed to guard feeders and branch circuits at 240V. As part of the Thru Circuit Breaker AIC Q2 family, this device delivers swift fault protection and dependable performance when you’re upgrading, maintaining, or replacing critical electrical systems.

• Amperage and voltage: 100 A, 2 poles, 240 V operation for robust protection of mid‑sized industrial circuits.
• Series and compatibility: Thru Circuit Breaker AIC Q2 series with part number Q2L2100H ensures alignment with Square D panels designed for Q2 devices.
• Drop‑in replacement potential: Designed to fit compatible Square D installations, enabling efficient swaps during maintenance or panel upgrades.
• Targeted use cases: Ideal for industrial service entrances, equipment maintenance, and replacement projects where reliable interruption protection is critical.
• Important compatibility note: Verify fit by part number and application requirements. If you need help matching a part number to your application, message us and we’ll assist.

Why this Q2L2100H matters for your operation

In manufacturing floors, processing lines, or large commercial facilities, dependable protection prevents costly downtime and equipment damage. The Q2L2100H’s 2‑pole design ensures simultaneous interruption of both conductors, reducing the risk of arcing and improving safety in 240V circuits. Its AIC Q2 lineage is built for higher interrupting capacity, making it suitable for scenarios with higher fault currents often encountered in industrial environments.

Use scenarios and ideal candidates

• Replacing aging or failed circuit breakers in mid‑size industrial panels that support Square D Q2 devices.
• New installations in maintenance rooms or service entrances where a durable, high‑capacity 100 A breaker is required.
• Panel upgrades where upgrading to a proven Q2 family device simplifies compatibility with existing bus and mounting footprints.

Buying confidence and practical tips

To ensure seamless compatibility, always confirm the exact part number (Q2L2100H) against your panel’s catalog and the circuit’s application requirements. If you’re unsure, reach out with your panel model and service conditions—we’re ready to help verify fit and recommend the right configuration for your system.