Bussmann CDNF32 - 40A, 600V, 3-Pole, Disconnect Switch

Introducing the Bussmann CDNF32, a three-pole disconnect switch designed for safe, reliable electrical isolation in demanding industrial and commercial environments. With a 40A rating and a 600V capacity, it delivers dependable disconnection under load while supporting proper lockout/tagout (LOTO) procedures to protect maintenance personnel and minimize downtime.

Key advantages

• Three-pole design delivers complete isolation for all phases, safeguarding equipment and personnel.
• 40A current rating provides robust performance for medium-load circuits in control panels and machinery.
• 600V voltage rating ensures compatibility with a broad range of industrial power distributions.
• Reliable under load engineered to maintain disconnection stability during ongoing operation, reducing risk during maintenance windows.
• Lockout/tagout compatibility supports safe servicing practices, helping facilities meet safety standards and compliance requirements.
• Durable construction built to withstand frequent use in challenging environments, delivering long-term value in daily operations.

Use cases and ideal users

• Control panels and switchgear assemblies on manufacturing lines, packaging equipment, and conveyors.
• Industrial machines and HVAC systems that require safe, authorized shutdowns for maintenance.
• Facilities engineers and maintenance teams implementing strict LOTO procedures to protect workers.
• OEMs and panel builders needing a reliable, easy-to-integrate disconnect switch for three-phase systems.

Technical specifications

• Amperage Rating: 40A
• Voltage Rating: 600V
• Number of Poles: 3-Pole
• Product Type: Disconnect Switch
• Brand: Bussmann
• Model: CDNF32

Why choose the Bussmann CDNF32

The CDNF32 stands out for delivering reliable, straightforward isolation tailored to real-world industrial needs. Its three-pole configuration ensures true phase separation, while its 40A/600V specs cover a wide range of control circuits and equipment. Combined with LOTO compatibility, this switch streamlines safety compliance and makes routine maintenance safer and faster. If you’re upgrading or specifying a disconnect switch for a new panel or retrofit, the CDNF32 offers a durable, purpose-built solution designed to perform when it matters most.