Square D H361N 30A 3P 600V Safety Switch, NEMA 1, Fusible | AmpState

When you need a reliable, ready-to-deploy disconnect for equipment and motor circuits, the Square D H361N 30A 3P 600V Safety Switch delivers dependable isolation right at the point of use. Built for everyday electrical work, this 3-pole fusible safety switch is a practical choice for maintenance teams, panel builders, and spare inventory where a direct part-number match matters.

Key specifications at a glance

• Amperage: 30 A
• Poles: 3
• Voltage: 600 V
• Enclosure: NEMA 1 (indoor/general purpose)
• Fusible: Yes — integrated protection at the disconnect
• Manufacturer: Square D
• Part Number: H361N
• Application: Equipment disconnect and isolation at point of use

Why this fusible safety switch stands out

The H361N combines robust inline protection with a straightforward path to safe maintenance. Its integrated fusing provides immediate circuit protection at the disconnect, simplifying wiring and coordination with downstream protective devices. The NEMA 1 enclosure is designed for indoor environments, keeping the switch accessible and protected in control panels and switchgear assemblies. With a 600V rating, it’s suited for a wide range of industrial applications, from conveyor lines to motor control circuits.

Ideal use cases

• Equipment disconnects in control panels for routine servicing and lockout/tagout procedures
• Panel fabrication and control system builds requiring a direct part-number match for fast sourcing
• Spare inventory to minimize downtime when a fusible disconnect is needed quickly
• Maintenance planning for motors, pumps, conveyors, or other three-phase loads in indoor facilities

Practical setup and care

• Ensure the circuit demands align with 30 A and 600 V ratings, and select compatible conductors and fusing as required by code.
• Use as a dedicated isolation point to safely de-energize equipment during maintenance and testing.
• Double-check panel design documentation to confirm H361N is the exact part-number specified for your build.
• Contact AmpState if you’re unsure about compatibility—they can help verify fit against your panel and wiring diagrams.

AmpState availability: This part is available from AmpState, making it straightforward to source a trusted, proven disconnect that aligns with your maintenance and panel-building workflows. If you’re matching parts for a legacy panel or updating an existing control cabinet, the H361N offers a dependable, standards-based solution that keeps downtime to a minimum.