Square D PTQ46100GH 1000A 4P 600V Safety Switch, Fusible | AmpState

The Square D PTQ46100GH is a 4-pole fusible safety switch designed for reliable equipment disconnect and isolation at the point of use. With a 1000 A rating and a 600 V capacity, this switch is built to handle demanding industrial loads while keeping maintenance and retrofit work safe and straightforward.

Key advantages that matter in the field

• High-current, four-pole protection: Delivers dependable, centralized disconnection for large electrical circuits, enabling clean isolation and easier interlocks during servicing.
• Fusible protection: Integrated fusing provides direct overcurrent protection at the load, helping to coordinate with upstream devices and minimize fault propagation.
• Point-of-use isolation: Specifically designed to disconnect and isolate equipment at the point of use, simplifying safe maintenance and reducing the need to access upstream panels.
• Retrofit- and maintenance-friendly: Preserves a consistent part number (PTQ46100GH) for easier ordering, stocking, and replacement during retrofit projects and ongoing upkeep.
• Industrial-grade reliability: Built to endure demanding environments common in manufacturing, processing, and heavy equipment applications, while delivering straightforward operation.

Ideal use scenarios

• Retrofit installations where maintaining a consistent part number streamlines procurement and documentation.
• Facility upgrades or maintenance plans involving large motors, conveyors, pumps, or other high-current loads up to 600 V.
• Situations requiring immediate, safe isolation of equipment for servicing, lockout/tagout procedures, or routine disconnects.

Compatibility and sourcing

Available from AmpState. Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.