Square D PQ3620G 200A 3P 600V Safety Switch, Fusible | AmpState

The Square D PQ3620G is a fusible safety switch designed for equipment disconnect and isolation at the point of use. Built for demanding industrial environments, this 200 A, 3-pole unit delivers reliable, code-compliant protection for three-phase systems up to 600 V, making it a dependable cornerstone of your electrical safety strategy.

Why this switch stands out

• BOM-ready replacement: The PQ3620G is ideal for replacement projects and stocking spares that stay aligned with the original part number, helping you maintain accurate bill-of-materials and faster maintenance cycles.
• Three-pole, 200 A capacity: Designed to handle three-phase loads with ample headroom, ensuring consistent protection across all phases without compromising performance.
• Integrated fusible protection: The fusible design provides contractor-friendly current protection in a single unit, simplifying fuse management and replacement during maintenance.
• Point-of-use isolation: A straightforward disconnect solution that enables safe servicing of equipment, reducing downtime and exposure to energized circuits.
• Trusted brand and availability: Available from AmpState, with support to confirm compatibility and fit, streamlining procurement for large projects or spare stock.

Key specifications at a glance

• Manufacturer: Square D
• Part number: PQ3620G
• Type: Safety switch (fusible)
• Amperage: 200 A
• Poles: 3
• Voltage: 600 V
• Application: Equipment disconnect and isolation at the point of use

Ideal applications and use cases

Whether you’re replacing an aging switch or stocking spares to keep production moving, the PQ3620G is well-suited for industrial machines, conveyors, and processing lines that operate on three-phase power. It’s a practical choice when you need a reliable, code-compliant disconnect with fused protection to safeguard personnel and equipment during maintenance. Use it in control panels, motor control centers, and distribution enclosures where a robust, plug-and-play safety switch is required.

Compatibility and practical tips

Since this is a direct-part alternative that preserves BOM integrity, it’s the smart pick for projects seeking a precise match to the original PQ3620G. If you’re unsure about fit, AmpState offers assistance to verify compatibility and ensure a seamless replacement process. When installing, ensure the fuse type and rating align with your equipment specifications, and plan for regular fuse inspections and replacements as part of standard preventive maintenance. For best results, pair this switch with properly rated fuses and secure mounting within a compatible enclosure to maintain enclosure integrity and safe operation.

What you gain with the PQ3620G

• Clear, reliable isolation for safe maintenance and servicing
• Strong alignment with original BOM for easier procurement and inventory control
• Durable three-phase protection suitable for 600 V systems
• Streamlined sourcing from AmpState with expert compatibility support