Cutler-Hammer DG324NGK - 200A, 240V, 3-Pole, Fused Disconnect Switch

The Cutler-Hammer DG324NGK is a purpose-built Fused Disconnect Switch engineered for demanding industrial and commercial environments. With a robust 200A rating at 240V and a 3-Pole configuration, this device delivers dependable electrical isolation, safer maintenance, and reliable disconnection under load.

Why choose the Cutler-Hammer DG324NGK

• Precise 3-Pole isolation — Designed for 3‑phase systems, ensuring all live conductors are reliably disconnected for complete safety during servicing or emergencies.
• Integrated overcurrent protection — Fuses provide immediate protection for downstream equipment, helping minimize fault energy and protect motors, drives, and control circuits.
• Safe lockout/tagout compatibility — Built to support professional lockout/tagout procedures, empowering technicians to secure equipment and prevent accidental energization during maintenance.
• Durable, long-term performance — Constructed for harsh environments, delivering consistent performance and dependable disconnection under load over the life of the installation.
• Industrial-grade reliability — A trusted solution for power distribution panels, service disconnects, and critical line-side isolations in factories, warehouses, and commercial facilities.

Key specifications at a glance

• Amperage rating: 200A
• Voltage rating: 240V
• Poles: 3-Pole
• Type: Fused Disconnect Switch
• Brand: Cutler-Hammer
• Model: DG324NGK

Ideal use cases and practical applications

Engineers and technicians turn to the DG324NGK for reliable isolation in critical workflows. Use cases include:

• Main disconnects for industrial machinery and conveyors where mandatory shutdowns are routine for maintenance.
• Disconnection points in electrical feeders feeding motors, pumps, fans, and HVAC equipment to ensure safe servicing.
• Control panels and power distribution enclosures requiring secure lockout/tagout during routine inspections.
• Backup or stand-by circuits in commercial facilities where predictable, fail-safe isolation is essential.

How it compares to non-fused disconnects

Choosing a fused design like the DG324NGK provides built-in overcurrent protection alongside the disconnect capability, simplifying wiring and enhancing safety. In practical terms, you gain:

• Reduced risk of upstream faults damaging downstream equipment due to immediate fuse-based isolation.
• Streamlined maintenance workflows since fuses and disconnects work in concert to protect personnel and hardware.
• Clear, enforceable isolation points aligned with safety standards and lockout/tagout protocols.

Tips for optimal use

• Plan installations in spaces that require straightforward access for safe operation and servicing.
• Pair with compatible enclosures and ensure proper alignment with associated switchgear for reliable actuation.
• During maintenance, use appropriate lockout/tagout procedures to secure the disconnect and prevent accidental energization.
• Schedule fuse inspections or replacements as part of your preventive maintenance to uphold consistent protection and performance.

For facilities seeking a dependable, purpose-built solution that combines robust electrical isolation with built-in protection, the Cutler-Hammer DG324NGK 200A, 240V, 3-Pole Fused Disconnect Switch offers a concrete, field-ready answer. It’s not just a switch—it’s a safety-conscious, durable choice for reliable power control in demanding environments.