The A2N 250 TMF 200-2000 3P F F moulded case circuit breaker delivers high-capacity overload and short-circuit protection for demanding distribution schemes, pairing a 400 A service rating with a 50 kA Icu. Its calibrated TMF profile supports selective coordination and clean wiring in space-limited panels. For cohesive device selection across your network, align with our industrial electrical power and control solutions to standardize quality and performance from feeders to branch circuits.

Key Specifications – Moulded Case Circuit Breakers

• Rated Current (In): 400 A

• Rated Ultimate Short-Circuit Breaking Capacity (Icu): 50 kA @ 240 V AC / 380 V AC

• Poles: 3P

• Trip Unit: Thermal-Magnetic Fixed (TMF)

• TMF Adjustment Range: 200–2000

• Mounting: Fixed

• Frequency: 50/60 Hz

• Standard: IEC/EN 60947-2

Highlights

• High interrupting performance for heavy feeders

• Precise, repeatable TMF tripping under varying loads

• Compact footprint to optimize enclosure space

• Front-access terminals for fast, tidy cable routing

• Robust mechanism for long electrical and mechanical life

Typical Uses

• Main and sub-distribution feeders at 400 A

• Machinery power centers and motor feeders

• Commercial and infrastructure switchboards

• Coordinated LV protection in control cabinets

Installation & Support

Shipped factory-tested to reduce commissioning time.

• Clear markings and straightforward mounting steps

• Technical documentation and post-install assistance available on request