The A2N 250 TMF 225-2250 3P F F is a high-capacity device within our Moulded Case Circuit Breakers range, pairing a 500 A service rating with a 50 kA Icu for dependable overload and short-circuit protection. Its calibrated TMF curve supports selective coordination across feeders and branches while keeping panel layouts efficient. For factory-built assemblies with verified QA, leverage our panel testing and quality control facility to streamline fabrication and commissioning.

Key Specifications – Moulded Case Circuit Breakers

• Rated Current (In): 500 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: 225–2250

• Mounting: Fixed

• Frequency: 50/60 Hz

• Standard: IEC/EN 60947-2

Highlights

• High fault-clearing capability for heavy feeders

• Precise, repeatable TMF tripping under varying loads

• Compact footprint optimizes enclosure space

• Front-access terminals for clean cable routing

• Rugged mechanism for long electrical and mechanical life

Typical Uses

• Main and sub-distribution feeders at 500 A

• Machinery power centers and large motor feeders

• Commercial and infrastructure switchboards

• Coordinated LV protection in control cabinets

Installation & Support

Delivered factory-tested to reduce commissioning time.

• Clear markings and straightforward mounting steps

• Technical documentation and post-install assistance available on request