Square D QDM22200TN 200A 2-Pole 240 V Circuit Breaker

Square D QDM22200TN 200A 2-Pole 240 V Circuit Breaker is the trusted protective device you need for reliable main service and feeder protection. Designed by Square D, this 200-amp, two-pole breaker interrupts both hot legs at 240 V, delivering dependable overcurrent protection for high-demand residential or light commercial panels that are compatible with the QDM family.

Key specifications

• Current rating: 200 A
• Poles: 2
• Voltage rating: 240 V
• Part number: QDM22200TN
• Brand: Square D

What sets this breaker apart is its purpose-built compatibility with Square D panels that accept QDM-series devices, providing a seamless fit and dependable performance for main service protection. The 2-pole design ensures both conductors are disconnected simultaneously during a fault, which is essential for protecting feeders and connected equipment from damage and maintaining electrical safety.

Ideal use cases

• Upgrading or installing a main service disconnect in residential panels that support QDM breakers
• Providing primary protection for feeders feeding high-load circuits in small commercial installations
• Replacing an aging or worn 200A main breaker in compatible Square D panels to restore reliable protection

Practical considerations for installation and compatibility
To ensure proper operation, verify that your panel label indicates compatibility with QDM-series breakers. When replacing or upgrading, follow all manufacturer instructions and applicable electrical codes. If you’re unsure about panel compatibility or safe installation practices, consult a licensed electrician.

With the Square D QDM22200TN, you get a purpose-built 200A, 2-pole, 240V circuit breaker that fits the right panels, offers solid protection, and helps keep electrical systems safe and compliant.