Square D LE36200LIG 200A 3-Pole 600 V Circuit Breaker Potential Transformer

The Square D LE36200LIG is a robust solution for modern three-phase power systems, combining dependable protection with built-in voltage sensing. This 200 A, 3-pole, 600 V circuit breaker integrates a potential transformer to deliver precise voltage measurement for metering and protective relays, helping you streamline installation and improve protection accuracy all in one device.

What sets the LE36200LIG apart

• Integrated potential transformer: Provides low-voltage sensing output directly from the breaker, reducing the need for separate CTs in many applications and simplifying panel wiring.
• Three-pole configuration: Ensures balanced protection across all phases, essential for reliable operation of 3-phase motors and equipment.
• High-current capability: Rated at 200 A, designed to handle demanding load profiles typical in industrial and commercial distribution systems.
• 600 V maximum voltage rating: Suitable for mid- to high-voltage distribution environments where robust protection is critical.
• Brand reliability: Built by Square D, a trusted name in electrical protection and control for decades.

Ideal use cases

• Industrial facilities with three-phase equipment and motors that require coordinated protection and reliable metering signals.
• Data centers and large commercial buildings where simplified wiring and accurate voltage monitoring bolster system reliability.
• Panelboards and switchgear setups that benefit from integrated measurement capabilities to support protective relays and energy metering.

How this benefits your operation

• Simplified installation: The built-in potential transformer reduces external components and wiring, shortening setup time.
• Improved protection coordination: Real-time voltage sensing supports precise relay tripping and faster fault detection across all three phases.
• Accurate metering and monitoring: The PT output provides reliable voltage data for energy management, performance analytics, and compliance reporting.
• Space and cost efficiency: Fewer separate devices mean cleaner panel layouts and potential cost savings on accessories and cabling.

Specifications at a glance

• Part number: LE36200LIG
• Current rating: 200 A
• Poles: 3
• Voltage rating: 600 V
• Type: Circuit breaker with integrated potential transformer

Choose the Square D LE36200LIG when you need dependable three-phase protection with built-in voltage sensing to simplify installations, enhance monitoring, and support robust electrical distribution in demanding environments.