Square D LH36200 - 200 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState

The Square D LH36200 is a reliable 200 A, 600 V, 3-pole plug-in molded case circuit breaker engineered to safeguard panelboards and load centers from overcurrent and short-circuit events. Built for fast, field-ready replacement and installation, this unit minimizes downtime while delivering consistent protection across a range of electrical environments.

Key advantages

• Rapid plug-in connection for straightforward installation and quick swaps during maintenance or upgrades.
• Thermal-magnetic trip unit combines a thermal overload element with an instantaneous magnetic trip, delivering stable, repeatable protection even as ambient conditions change.
• Three-pole design ideal for 3-phase systems, ensuring coordinated protection across all conductors in multi-phase applications.
• 200 A / 600 V rating suited for high-current branch circuits in commercial and light industrial settings, while remaining practical for substantial residential service panels.
• OEM compatibility designed to integrate with matching Square D load centers and panelboards, ensuring reliable fit, performance, and electrical coordination.
• Plug-in mounting simplifies installation, retrofit projects, and future servicing in existing electrical infrastructures.

Ideal applications

This breaker is well-suited for protecting branch circuits in panelboards and load centers across residential, commercial, and light industrial environments. Use it when upgrading or expanding 3-phase distribution, replacing older breakers, or implementing robust protection for feeders and equipment in service entrances, electrical rooms, or equipment closets.

Specifications at a glance

• Manufacturer: Square D
• Part Number: LH36200
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 200 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Whether you’re modernizing an aging panel, expanding a commercial distribution system, or specifying components for a new build, the Square D LH36200 delivers precise protection with installation- and maintenance-friendly design. Trust AmpState to provide genuine Square D parts that meet the demanding needs of professional electrical work.