F353 - 100A, 3-Pole, Disconnect Switch, NEMA 1

Introducing the F353 100A, 3-Pole Disconnect Switch in a NEMA 1 enclosure — a rugged, dependable solution crafted for reliable on/off isolation and overcurrent protection in demanding industrial and commercial environments. Designed with practical field needs in mind, this switch delivers straightforward operation, consistent performance, and long-term durability where it matters most.

• Three-Pole, 100 Amp capacity: Handles three-phase circuits with ample headroom for motor loads and branch circuits, delivering balanced protection and reliable shutoff.
• NEMA 1 enclosure: Robust indoor protection against dust and incidental contact, ideal for panel installations, control rooms, and equipment bays.
• Secure on/off isolation: Clear, tactile switching for easy manual operation, with dependable electrical isolation to facilitate maintenance and servicing.
• Compact, maintainable design: Space-efficient footprint with accessible wiring and terminals to simplify installation, inspection, and routine maintenance.
• Versatile applications: Perfect for motor disconnects, panelboards, and branch-circuit protection where a durable, easy-to-service switch is required.
• Industrial-grade reliability: Built to withstand busy environments, providing consistent performance and peace of mind in mission-critical electrical schemes.

Key use cases

Whether you’re configuring a new motor-control center or upgrading an aging disconnect, the F353 excels at delivering rapid isolation for maintenance windows, emergency shutdowns, and routine servicing. Ideal for plants, factories, warehouses, and commercial facilities where space is at a premium and reliability cannot be compromised.

Why engineers choose the F353

The 3-Pole configuration ensures balanced protection across three-phase systems, reducing the risk of single-line faults and enabling straightforward coordination with upstream protection. The NEMA 1 enclosure keeps internal components shielded in indoor environments, while the compact form factor makes it easier to fit into existing panels or control cabinets without sacrificing accessibility.

Specifications at a glance

• Model: F353
• Amperage: 100A
• Poles: 3-Pole
• NEMA Rating: NEMA 1

Practical tips for installation and use

Plan the wiring with clear labeling for phase identification to speed future service. Verify compatibility with your panelboard layout and ensure secure terminal connections according to electrical torque specifications. Use the switch as part of a comprehensive protection scheme, coordinating with fuses or circuit breakers to maximize safety and uptime.