Square D 9422TG2 - 400A, 600V, 3-Pole, Safety Switch

The Square D 9422TG2 is a rugged 400A, 600V, 3-Pole Safety Switch built to deliver reliable on/off isolation and overcurrent protection in demanding industrial and commercial environments. With a reputation for durability and straightforward service, this safety switch keeps power under control where it matters most, helping protect equipment and personnel from unexpected faults.

Ideal for motor disconnects, panelboards, and branch circuit protection, the 9422TG2 is designed for spaces where a compact, maintainable fusible switch is required. Its integrated design reduces wiring complexity and simplifies installation without compromising performance, giving technicians a clear, accessible path to safe power control.

Key specifications at a glance

• Model: 9422TG2
• Amperage: 400A
• Voltage: 600V
• Poles: 3-Pole

Why this safety switch stands out

• Reliable isolation and protection in one durable enclosure, helping prevent equipment damage during overloads and faults.
• Compact, maintainable design that fits into tight electrical rooms and simplifies routine inspections and fuse replacements—reducing downtime.
• Versatile for industrial and commercial use, making it suitable for heavy machinery, HVAC systems, pumps, and other three-phase applications.
• Field-friendly maintenance with a clear path to safe disconnection and fuse handling, supporting safer servicing and quicker changes when needed.

Use cases and practical benefits

• Motor control and disconnects: Safely isolate large-speed motors during maintenance or fault conditions, preventing cascading electrical faults.
• Panelboard protection: Protect branch circuits from overcurrent events while providing a straightforward means to shut down power for servicing.
• Space-conscious installations: The compact footprint makes it ideal for panels and enclosures where space is at a premium.

Who should consider the 9422TG2

• Electrical contractors tackling commercial or light industrial builds needing a reliable, fusible safety switch.
• Facility managers seeking long-term durability and straightforward maintenance for motor-driven equipment and critical power feeds.
• Panel designers looking to streamline protection and isolation in a single, vetted solution.

Practical installation and maintenance insights

• Plan for compatible fuse and mounting arrangements to maximize the benefits of a compact, fusible switch in your panel design.
• Match the 400A, 600V, 3-Pole configuration to your three-phase systems to ensure balanced protection across all phases.
• Keep a regular inspection schedule for connections and fuses to maintain optimal protection and quick fault isolation.

Upgrade your power control with the Square D 9422TG2 and enjoy robust isolation, streamlined maintenance, and dependable protection for demanding electrical environments.