Description

Built for 100 A feeders, this moulded case circuit breaker delivers dependable short-circuit and overload protection with an 18 kA Icu at common AC voltages. It suits new builds and retrofits alike, and for turnkey boards it integrates cleanly with our industrial panel fabrication to standardize layout and wiring.

Key Specifications – Moulded Case Circuit Breakers

• Model: A1B 125 TMF 100-1000 3P FF

• Device type: Moulded Case Circuit Breaker

• Poles: 3P

• Rated current (In): 100 A

• Icu: 18 kA at 240 V AC

• Icu: 18 kA at 380 V AC

• Mounting: Fixed type (FF)

• Trip unit: TMF thermal-magnetic

Highlights

• Higher 18 kA breaking capacity for tougher fault levels

• Compact frame for dense control panels

• Straightforward wiring with clear terminal markings

• Robust thermal-magnetic protection with simple settings

Typical Uses

• Main and sub-feeder protection in commercial boards

• Motor and HVAC branches where 18 kA Icu is required

• Industrial distribution where fixed mounting is preferred

Installation & Support

Ships ready to install with guidance on conductor sizing, coordination, discrimination, and heat dissipation.

• Rapid fulfillment from managed inventory

• Optional commissioning assistance and maintenance plans