Square D H364 - 200A, 3-Pole, Fused Safety Switch

Introducing the Square D H364 — a 200A, 3-Pole Fused Safety Switch engineered for industrial and commercial environments where safe electrical isolation is non-negotiable. This robust disconnect delivers dependable disconnection under load, and its design supports straightforward lockout/tagout procedures to protect maintenance teams and equipment alike.

Why the H364 stands out

• Three-phase reliability: A 3-Pole configuration ensures complete isolation of all conductors in three-phase circuits, preventing partial energization during servicing.
• High-current capability: With a 200A rating, it accommodates large motors, feeders, and heavy equipment common in demanding settings.
• Integrated fuse protection: The fused design provides overcurrent protection directly in the disconnect, simplifying wiring and delivering a compact, all-in-one safety solution.
• Safe isolation with visible break: Clear open/closed indication helps verify isolation before work begins, reducing guesswork and risk.
• Lockout/Tagout friendly: Built to support standard lockout/tagout procedures, aiding compliance with safety protocols and regulatory requirements.
• Durable, long-term performance: Rugged construction designed for tough environments, delivering reliable service life in demanding applications.

Ideal use cases

Use the Square D H364 as a main service disconnect or as a feeder disconnect in three-phase panels. It’s well-suited for:

• Large motors and conveyors on manufacturing lines
• HVAC and processing equipment requiring dependable isolation
• Maintenance-friendly panels in commercial facilities

Specifications

• Amperage rating: 200A
• Poles: 3-Pole
• Product type: Fused Safety Switch
• Brand: Square D
• Model: H364

Practical tips for optimal performance

• Regularly inspect fuse status and contact cleanliness; replace fuses according to manufacturer recommendations to preserve protective integrity.
• Apply lockout devices and tags before servicing; only authorized personnel should remove them after confirming de-energization.
• Ensure the unit is operated within the facility’s environmental guidelines to maximize longevity and reliability.