Bussmann 3PH - 40A, Disconnect Switch

The Bussmann 3PH 40A Disconnect Switch is a rugged, three‑phase isolation device designed for industrial and commercial electrical systems that demand safe, reliable disconnection. Built to support proper lockout/tagout procedures, it delivers dependable performance under load and stands up to long-term use in challenging environments.

Key capabilities

• Three-phase isolation with a 40A rating, suitable for mid-range motor control and process circuits
• Lockout/tagout ready design to protect workers during maintenance and servicing
• Under-load disconnection for safe, predictable power shutdown even when equipment is energized
• Durable, industrial-grade construction built to endure harsh environments and heavy daily use

Ideal applications

Perfect for plants and facilities seeking a dedicated isolation point for three-phase equipment. The Bussmann 3PH is well-suited for use in manufacturing lines, packaging operations, HVAC systems, conveyors, pumps, fans, and other machinery that relies on reliable electrical isolation for maintenance and service.

Why it matters

Safe, verifiable isolation minimizes risk during servicing and startup checks. By enabling effective lockout/tagout, it helps facilities stay compliant with safety standards while reducing downtime caused by uncertain electrical status.

Specifications

• Amperage rating: 40A
• Product type: Disconnect Switch
• Brand: Bussmann
• Model: 3PH

Practical notes: Plan for clean installation into your existing electrical distribution, label the disconnect clearly, and pair it with standard lockout devices for a complete safety workflow. Regular inspection and testing of isolation functionality will ensure reliable performance when you need it most.