Square D | PGL36120U31A | Circuit Breaker | 1200A | 3-Pole | 600V

Meet the Square D PGL36120U31A circuit breaker — a purpose-built solution for industrial electrical protection that stands up to demanding environments. With a 1200A rating, a 3-pole design, and a 600V operating capability, this unit is engineered to safeguard high-load circuits while supporting reliable, long-term performance in distribution systems.

• Amperage rating: 1200A - provides robust overcurrent protection for heavy-duty installations.
• Pole configuration: 3-pole design ideal for three-phase applications.
• Voltage rating: 600V maximum system voltage for compatible industrial power networks.
• Usage scenarios: specifically suited for maintenance, retrofit, and replacement projects where exact specification matching matters.
• Compatibility reference: the part number PGL36120U31A is the best reference to ensure the correct fit and ratings.

Why this matters in real-world setups: using the exact part number helps ensure your panel, bus connection, and trip characteristics align, reducing the risk of improper protection during a retrofit or replacement. Before ordering, verify fit with your panel schedule and any manufacturer notes to confirm compatibility.

Who benefits most: facilities with substantial electrical distribution demands — manufacturing floors, processing plants, and other industrial environments — where a 1200A, 3-pole, 600V breaker provides dependable protection without frequent replacements. It’s also a solid option for upgrading older gear to meet modern protection standards.

• Always follow lockout/tagout procedures and consult a licensed electrician during replacement.
• fitment tips: confirm enclosure compatibility and mounting style to ensure proper busbar engagement.
• post-install checks: verify correct trip function and labeling after installation.

Choose the Square D PGL36120U31A for a reliable, spec-aligned circuit protection solution that supports maintenance, retrofit, and replacement workflows while safeguarding your critical electrical infrastructure.