Description

Built for 50 A feeders, this moulded case circuit breaker delivers robust short-circuit and overload protection with an 18 kA Icu at common AC voltages. It suits new builds and retrofits, 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 50-500 3P FF

• Device type: Moulded Case Circuit Breaker

• Poles: 3P

• Rated current (In): 50 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 Icu for demanding fault levels

• Compact frame for dense panel layouts

• Clear terminal markings for quick installation

• Reliable TMF protection with simple settings

Typical Uses

• Feeder and sub-distribution circuits

• HVAC, lighting, and motor branches requiring 18 kA Icu

• Commercial and light-industrial switchboards

Installation & Support

Delivered ready to install with documentation covering conductor sizing, coordination, discrimination, and thermal management.

• Rapid fulfillment from managed inventory

• Optional commissioning assistance and maintenance plans