ABB OT100F3C - 100A, 3-Pole, Switch

Meet ABB OT100F3C — a robust 100A, 3-Pole switch designed for reliable on/off isolation and overcurrent protection in demanding industrial and commercial environments. This compact, maintainable fusible switch from ABB is built to endure tough conditions while keeping service downtime to a minimum.

• Model: OT100F3C
• Amperage: 100 A
• Poles: 3-Pole
• Function: On/off isolation with overcurrent protection for three-phase circuits

Why the OT100F3C stands out

Designed for motor disconnects, panelboards, and branch circuit protection, this ABB switch delivers secure, simultaneous de-energization of all three phases, which enhances safety during maintenance and reduces the risk of fault propagation in powered equipment. Its rugged construction is built to perform reliably in both heavy industrial settings and busy commercial environments, where space and ease of service matter.

Ideal use cases

• Motor disconnects for three-phase equipment up to 100 A
• Dedicated disconnects within panelboards and switchgear assemblies
• Branch circuit protection in demanding facilities where compact, maintainable switching is required

Practical advantages and setup tips

• Compact footprint supports installation in tight control panels and enclosures without sacrificing performance
• Three-pole design ensures balanced disconnection across all phases, improving safety during servicing
• Pair with appropriate protective devices per local codes to ensure cohesive overcurrent protection and safe operation
• Follow standard electrical practices for mounting torque, wiring clearances, and periodic maintenance to extend the switch’s service life

In environments where reliability, safety, and easy maintenance are non-negotiable, the ABB OT100F3C provides a precise, well-built solution for three-phase isolation and protection. It’s the practical choice for professionals who need a dependable disconnect that won’t complicate panels or slow down maintenance routines.