Square D | Q2LH2150 | Circuit Breaker | 150A | 2-Pole | 240V

The Square D Q2LH2150 circuit breaker is a genuine, 150-amp, 2-pole solution designed to protect 240V circuits in residential, commercial, and industrial panels. Built for reliability, it excels in maintenance, retrofit, and replacement projects where exact specifications matter.

Key specifications

• Amperage: 150A
• Poles: 2-Pole
• Voltage: 240V
• Compatibility reference: Part number Q2LH2150 — your best reference for matching fit

Why this breaker stands out

• Genuine Square D component with proven performance in demanding panels
• Precisely matched for 2-pole, 240-volt circuits, ideal for feeders and demanding branch circuits
• Engineered for straightforward retrofit and replacement without rearranging panel interiors
• Consistent trip characteristics designed to protect critical loads over the long term

Ideal use cases

This 150A, 2-pole breaker is ideal when you need:

• Replacing a failed 2-pole 240V breaker in Square D load centers
• Upgrading protection for heavy appliances or distribution feeders in commercial panels
• Retrofitting older panels to meet current electrical codes while preserving system protection

Important fit and installation notes

Important: Before ordering, confirm fit and ratings for your panel. The Q2LH2150 part number is the best reference for compatibility. If in doubt, compare the panel's model number and bus configuration to ensure proper fit and safe operation.

Installation tips for a safe, reliable setup

• Power down the main disconnect and discharge any stored energy before handling breakers
• Use the correct wiring conductors and tightening torque as specified by your panel manufacturer
• Carefully align the breaker with the bus stabs to avoid misalignment or arcing
• When in doubt, consult a licensed electrician to verify panel compatibility and compliance with local codes

With the Square D Q2LH2150, you get a robust, 150A, 2-pole, 240V protection solution tailored to panels that require exact compatibility. Add this reliable replacement to your inventory and safeguard critical electrical circuits with confidence.