Square D DGL36150E20 - 150A, 3-Pole, Circuit Breaker

When reliability matters in demanding electrical environments, the Square D DGL36150E20 delivers robust, dependable protection for 3‑phase systems. This 150A, 3‑pole circuit breaker is engineered to keep distribution networks and motor-centric equipment safe, reducing downtime and protecting valuable assets.

Perfectly suited for panelboards, switchboards, and control panels, it provides precise overcurrent protection where 3‑phase power is essential. Built for industrial, commercial, and OEM applications, this breaker integrates cleanly into existing Square D ecosystems, helping you standardize protection across your installations.

• Current rating: 150A — handles substantial feeder and motor circuit loads while delivering reliable interruption when faults occur.
• Poles: 3‑Pole — designed for balanced protection across all three phases, essential for safe operation of 3‑phase equipment.
• Breaker type: Circuit Breaker — provides automatic disconnection during overloads or short circuits to protect wiring and devices.
• Applications — ideal for panelboards, switchboards, and control panels, plus motor control centers where dependable protection is critical.
• Industry fit — tailored for industrial environments, commercial power distribution, and OEM assemblies requiring consistent, long‑life performance.

What problems does this solve for you?

• Prevents equipment damage by quickly interrupting excessive current in 3‑phase circuits, reducing the risk of motor burnouts and wiring insulation failure.
• Enhances safety during maintenance by providing a clear, reliable disconnect point for downstream circuits.
• Streamlines maintenance and spare part planning with a familiar Square D DGL family design, helping you keep panels running with minimal downtime.
• Supports scalable distribution strategies in motor control centers and centralized power distribution, enabling consistent protection across complex installations.

Who should consider the DGL36150E20? Electricians, facilities engineers, and OEM integrators responsible for designing and maintaining robust 3‑phase power systems. If your project requires durable overcurrent protection in panelboards, switchboards, or control panels with a 150A capacity, this 3‑pole solution from Square D is a dependable choice that aligns with established electrical standards and field practices.

Practical tips for use:

• Match this breaker to compatible Square D enclosures and bus configurations to ensure proper fit and safe operation.
• Plan for standard 3‑pole isolation in service areas to facilitate safe maintenance and testing procedures.
• Keep a small запас of common replacement parts on hand to minimize downtime during routine maintenance or unexpected trips.