Cutler-Hammer DH364URKN-CUTLER - 200A, 600V, 3-Pole, Fused Safety Switch

The DH364URKN-CUTLER is a rugged fused safety switch built for industrial and commercial environments where safe electrical isolation and dependable disconnection under load are non-negotiable. From maintenance shutdowns to full production runs, this Cutler-Hammer device delivers consistent performance when it matters most, while supporting proper lockout/tagout procedures to keep crews safe.

Why this fused safety switch stands out

• 200A at 600V — strong, reliable current handling for demanding circuits and large equipment without compromising safety.
• 3-Pole design — straightforward, robust isolation across all lines, ensuring complete de-energization of connected loads.
• NEMA 3R enclosure — weather-resistant protection ideal for outdoor, semi-exposed, or challenging industrial environments.
• Fused safety mechanism — provides dependable disconnection under load, safeguarding personnel and downstream components from arcing and faults.
• Lockout/tagout readiness — purpose-built to support compliant maintenance practices, reducing downtime and enhancing worker safety.
• Proven durability — designed for long-term service in environments where reliability is critical for uptime and safety.

Key benefits and real-world impact

• Enhances workforce safety by ensuring robust, verifiable isolation before service or repair work can begin.
• Minimizes downtime with dependable fuse-based protection that prevents transient faults from propagating to critical equipment.
• Improves maintenance workflows by accommodating lockout/tagout procedures, helping facilities stay compliant with safety standards.
• Protects electrical infrastructure in outdoor or harsh environments thanks to a rugged NEMA 3R enclosure.
• Provides a clear, fail-safe disconnection point for large motor loads, feeders, and distribution circuits.

Specification snapshot

• Amperage rating: 200A
• Voltage rating: 600V
• Poles: 3-pole
• Enclosure rating: NEMA 3R
• Product type: Fused Safety Switch
• Brand/model: Cutler-Hammer DH364URKN-CUTLER

Ideal use cases

• Industrial production lines requiring reliable isolation for routine maintenance or emergency stops
• Motor control centers and large equipment feeds where stable, fused protection is essential
• Outdoor or semi-exposed installations such as warehouses, loading docks, or outdoor electrical rooms

Installation, maintenance, and practical considerations

• Install by qualified electricians following applicable safety standards to preserve the integrity of the NEMA 3R enclosure and fuse protection.
• Keep spare fuses on site and replace only with components rated for 200A and 600V to maintain performance and safety margins.
• Use as a dedicated isolation point in systems where lockout/tagout procedures are practiced to protect maintenance personnel.
• Regularly inspect enclosure seals and mounting hardware to preserve environmental protection and operability in variable conditions.

Upgrade your electrical safety and reliability with the Cutler-Hammer DH364URKN-CUTLER—designed to deliver consistent, compliant, and durable fused isolation for demanding industrial and commercial applications.