Square D | PGL36120U41A | Circuit Breaker | 1200A | 3-Pole | 600V

Square D delivers dependable protection in demanding 3‑phase environments with the PGL36120U41A circuit breaker. Designed for maintenance, retrofit, and replacement projects, this 3‑pole unit handles high electrical loads while safeguarding equipment and personnel in 600V systems.

• Amperage: 1200 A continuous rating for heavy-duty applications
• Poles: 3‑pole configuration suitable for three-phase circuits
• Voltage rating: 600 V, ideal for industrial distribution and motor control
• Part reference: PGL36120U41A; use this exact part number to confirm compatibility with your panel or enclosure
• Fit guidance: Confirm fit and ratings before ordering; the part number is the best reference for ensuring a correct match

What sets this breaker apart

• Precision-fit for Square D systems: Engineered to align with Square D panels and accessories that require PGL-series breakers, reducing the risk of misfits and nuisance trips
• Reliable high‑current protection: Designed to handle substantial three‑phase loads without compromising safety or performance
• Streamlined retrofit and replacement: A precise, on‑spec alternative that minimizes panel modification and downtime

Ideal use cases

• Maintenance in large commercial or industrial facilities where 600 V distribution is standard
• Retrofits to upgrade outdated gear while preserving existing wiring and bus configurations
• Emergency replacements in panels that require a 1200 A, 3‑pole, 600 V protective device

How to verify compatibility and ensure a seamless install

• Cross-check the exact part number, PGL36120U41A, against your panel’s labeling and factory data
• Match the amperage, pole count, and voltage rating to your system requirements before purchase
• Consult your electrical drawings and the panel manufacturer’s documentation to confirm mounting style and trip characteristics align with your application

Installation and safety notes

• Only qualified personnel should perform installation and servicing of high‑current protective devices
• Power must be de‑energized and systems locked out before handling the breaker
• Follow all manufacturer torque specifications and enclosure compatibility guidelines to ensure a secure, compliant fit