Cutler-Hammer DH661UWK - 30A, 600V, Disconnect Switch

Meet the Cutler-Hammer DH661UWK Disconnect Switch — a rugged, dependable solution engineered for industrial and commercial environments that demand safe, reliable electrical isolation. With a 30A current rating and 600V voltage capacity, this switch is built to handle demanding loads while aligning with workplace safety practices like lockout/tagout.

Why the DH661UWK stands out

• Safe electrical isolation for maintenance — designed to reliably isolate circuits, enabling technicians to service equipment without risk of accidental re-energization.
• Lockout/Tagout ready — specifically crafted to support standard lockout and tagout procedures, helping facilities meet safety requirements and reduce downtime during servicing.
• Clear 30A, 600V rating — capable of safely interrupting load currents at common industrial and commercial power levels, compatible with a wide range of motor and equipment applications.
• Durable, long-term performance — built to withstand the rigors of busy facilities, providing dependable disconnection over extended service life.
• Industrial-grade versatility — suitable for control panels, switchgear, and power-distribution setups where quick, decisive isolation matters most.

Ideal use cases

Use the DH661UWK to safely power down machinery for routine maintenance, troubleshooting, or repair work. It’s an excellent choice for motor control centers, conveyor lines, packaging equipment, HVAC systems, and other line-side and control-panel applications where secure off-state is essential.

What problems it solves

• Eliminates ambiguity during servicing by providing a definitive disconnect point.
• Enhances safety compliance with built-in support for lockout/tagout procedures.
• Reduces downtime via reliable performance under load, minimizing unplanned outages after maintenance.

Specifications at a glance

• Amperage Rating: 30A
• Voltage Rating: 600V
• Product Type: Disconnect Switch
• Brand: Cutler-Hammer
• Model: DH661UWK

Whether you’re upgrading an aging electrical isolation point or outfitting a new control panel, the DH661UWK delivers precise, reliable disconnection when it matters most. Pair it with your safety protocols and standard maintenance workflows to keep industrial and commercial equipment running smoothly, safely, and with fewer interruptions.