Square D | HU361A | Disconnect Switch | 30A | 3-Pole | 600V

Square D HU361A Disconnect Switch delivers dependable isolation for 600-volt electrical systems, rated at 30 amps across a 3-pole configuration. Built for maintenance, retrofit, and replacement tasks where exact specifications matter, this disconnect switch helps you safely de-energize circuits on demand.

• Amperage: 30A
• Poles: 3-Pole
• Voltage: 600V
• Part number: HU361A

Designed for targeted, reliable isolation

As a trusted Square D component, this disconnect switch is built to withstand routine maintenance and service shutdowns while delivering confident, clean isolation. Its 3-pole design ensures three-phase circuits can be isolated simultaneously, reducing the risk of partial energization during work and helping crews maintain precise control over powered equipment.

Ideal use scenarios

• Maintenance shutdowns in control panels, switchgear, and motor circuits
• Retrofits to bring old equipment up to current safety and performance standards
• Replacement for obsolete or worn disconnect devices that require 30A, 3-Pole, 600V specifications

How to confirm compatibility

Use the HU361A part number as the primary reference for compatibility. Verify your system’s amperage (30A), number of poles (3-Pole), and voltage rating (600V) match before ordering to ensure a seamless fit with your panel or switchgear footprint.

Practical guidance for installation and operation

Prepare for installation by adhering to local electrical codes and safety practices. This unit is intended for use by qualified electricians who can confirm proper wiring, clearances, and LOTO (lockout/tagout) procedures. Proper installation ensures reliable isolation and minimizes downtime during maintenance or retrofit projects.

With the Square D HU361A Disconnect Switch, you gain a proven, purpose-built solution for safe, effective circuit isolation in 600V systems. Its precise specifications and robust design make it a standout choice for applications demanding dependable performance and easy compatibility with existing equipment.