Square D H361RB 30A 3P 600V Safety Switch, NEMA 3R, Fusible | AmpState

Meet the Square D H361RB—a rugged, fusible safety switch engineered for equipment disconnect and isolation precisely at the point of use. With a 30 A rating, 3 poles, and a 600 V service, this unit delivers dependable protection in demanding environments while keeping your lines safely separated during maintenance or routine shutoffs. Its NEMA 3R enclosure design adds outdoor-ready resilience, so you can rely on it in a variety of installation conditions.

Designed for professionals who value exact part-number matching, the H361RB is the smart choice for maintenance teams, panel builders, and spare inventory where compatibility matters. This is a direct, authentic Square D component you can trust to fit without guesswork, streamlining installs, replacements, and upgrades.

Why the H361RB stands out

• Exact match for reliability — authentic Square D part for straightforward sourcing and minimal downtime.
• NEMA 3R weather-rated enclosure — built to withstand outdoor or harsh environments while maintaining safe isolation.
• Fusible safety switch — integrates a fusible configuration for fast, effective circuit protection.
• 30 A, 3-pole, 600 V specification — provides robust control for demanding loads in a compact form factor.
• Supported by AmpState — available through AmpState with expert help to confirm fit and compatibility.

Practical applications include serving as a dedicated equipment disconnect at the point of use, protecting motors and feeders, or supplying a predictable, safe disconnection point during maintenance. The combination of fusible protection, three-pole isolation, and outdoor-ready construction helps reduce risk, simplify maintenance routines, and keep electrical systems compliant with standard safety practices.

Specifications at a glance

• Manufacturer: Square D
• Part Number: H361RB
• Product Type: Safety Switch
• Amperage: 30 A
• Poles: 3
• Voltage: 600 V
• Enclosure: NEMA 3R
• Fusible: Yes

If you’re unsure about fit or compatibility with existing panels or applications,AmpState can assist. Send a note about the part number, and we’ll help confirm whether the H361RB is the right choice for your setup and how best to source it.