Siemens 9343.310 - Disconnect Switch

Meet the Siemens 9343.310 Disconnect Switch—a rugged, purpose-built solution that delivers dependable on/off isolation and overcurrent protection in tough industrial and commercial settings. With a compact, maintainable fusible switch design, this unit keeps critical circuits safely separated while protecting equipment from faults and short circuits.

Why the Siemens 9343.310 stands out

• Compact, maintainable fusible switch—space-efficient design that still provides robust isolation and straightforward serviceability so upkeep doesn’t disrupt operations.
• Reliable overcurrent protection—protects motors, panels, and branch circuits from fault conditions, helping to reduce downtime and equipment wear.
• Versatile for industrial and commercial use—well suited for motor disconnects, panelboards, and branch circuit protection where a durable, easy-to-service switch is required.
• Rugged, purpose-built for demanding environments—engineered to withstand the daily rigors of industrial rooms, machine houses, and commercial facilities.

Ideal use cases

• Motor disconnects: quickly isolate motors for maintenance or fault containment without impacting adjacent circuits.
• Panelboards: integrate into distribution setups where compact protection and clean isolation improve reliability.
• Branch circuit protection: safeguard individual feeders within larger electrical systems, reducing the risk of cascading faults.

How it protects and simplifies your operation

• Clear, decisive isolation ensures a safe de-energized state for maintenance or service work.
• Solid fault protection guards downstream equipment against overcurrent events, helping extend motor life and minimize nuisance trips.
• Maintenance-friendly design enables quicker fuse access and servicing, lowering downtime during routine inspections or replacements.

Specifications at a glance

• Model: 9343.310 (catalog reference 9343.31)
• Type: Disconnect switch with integrated fusible protection
• Applications: Motor disconnects, panelboards, and branch circuit protection
• Key benefits: Compact footprint, maintainable design, reliable isolation, and overcurrent protection for demanding environments

Whether you’re upgrading an aging electrical panel, adding a dedicated motor disconnect, or reinforcing branch-circuit protection in a busy facility, the Siemens 9343.310 Disconnect Switch offers precise isolation, dependable protection, and serviceability that keeps plants running smoothly.