31A-16-4 - 31A, 230/460V, 3-Pole, Switch

Meet the 31A-16-4, a compact 3-pole switch designed for dependable on/off isolation and overcurrent protection in demanding industrial and commercial environments. With a 31A rating and dual voltage capability (230/460V), this switch provides a reliable, space-efficient solution for three-phase circuits—perfect for motor disconnects, panelboards, and branch circuits where maintenance access matters as much as protection.

Key specifications

• Model: 31A-16-4
• Amperage: 31A
• Voltage: 230/460V
• Poles: 3-Pole

Why this 31A-16-4 stands out

• A slim footprint that fits tight control enclosures and panelboards without sacrificing performance.
• Three-phase reliability: The 3-pole configuration provides balanced control for three-phase motors and circuits, improving switching safety and stability.
• Purpose-built for maintenance: Built as a maintainable fusible switch, it’s designed for straightforward field service and long-term durability in busy environments.
• Versatile voltage support: Operates smoothly across 230V and 460V installations, giving you flexibility across different plant layouts and equipment.

Ideal applications

• Motor disconnects in small to medium three-phase motor installations (up to 31A)
• Panelboard isolation points within custom electrical distribution systems
• Branch circuit protection where a compact, dedicated disconnect is required

Practical considerations and usage tips

When integrating the 31A-16-4 into your electrical distribution, pair it with appropriate protective fusing and mount in a compliant enclosure to meet local electrical codes. Confirm the switch’s voltage rating aligns with your service, and perform routine maintenance checks on connections and mechanical operability to preserve reliability. This switch is especially valuable in environments where rapid, secure isolation is essential for safety during maintenance or emergency shutdowns.

In summary, the 31A-16-4 delivers a focused, three-phase disconnect solution that combines a compact form factor with dependable isolation and overcurrent protection. It’s a purpose-built choice for motor-driven systems, panelboards, and branch circuits that demand a durable, easy-to-service switch without unnecessary bulk.