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A2N250 TMF200/2000 FF 3P

The ABB A2N 250 TMF 200‑2000 3P F F is a fixed‑type 3‑pole molded case circuit breaker (MCCB) from ABB’s SACE FORMULA family. It is designed to provide overload and short‑circuit protection for industrial and commercial low‑voltage electrical installations. The breaker uses a thermomagnetic trip mechanism to protect circuits, and its compact design with front‑accessible terminals makes it suitable for distribution boards, control panels, and machinery feeders.

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Key Features Circuit Breaker Type: Fixed molded case circuit breaker with thermomagnetic protection. Poles: 3 poles for three‑phase system protection. Trip Mechanism: Thermo‑magnetic (TMF) — combines thermal overload and instantaneous magnetic short‑circuit protection. Front Terminals: Easy front access for incoming and outgoing conductors. Compact Design: Space‑saving profile for panel and switchboard integration. Electrical Specifications Rated Current (Main Circuit): 200 A — continuous operating current capacity. Rated Operational Voltage: Up to 550 V AC and 250 V DC in low‑voltage systems. Rated Insulation Voltage: 690 V — withstands standard electrical insulation requirements. Rated Impulse Withstand Voltage (Uimp): 6 kV — robust against transient overvoltages. Rated Service Short‑Circuit Breaking Capacity (Ics): Example values: ~42.5 kA at 240 V AC; ~18 kA at 380–415 V AC; ~12.5 kA at 440–480 V AC; lower DC. Rated Ultimate Short‑Circuit Breaking Capacity (Icu): Example values: ~85 kA at 240 V AC; ~36 kA at 380–415 V AC; ~25 kA at 440–480 V AC; lower DC. Rated Uninterrupted Current (Iu): 250 A — maximum conductor thermal rating. Mechanical & Endurance Electrical Durability: Designed for ~4,000 switching cycles under load. Mechanical Durability: Designed for ~10,000 mechanical operations. Opening Time: Fast internal response (~15 ms) under specified conditions. Environmental & Standards Standards Compliance: Built to international low‑voltage protection standards. Operating Conditions: Suitable for typical control panel and distribution board environments. Physical & Installation Mounting: Panel or enclosure installation with front‑accessible terminations. Compact Dimensions: Efficient size for space‑constrained installations. Terminal Type: Screw/clamp‑style front connections. Typical Applications Low‑voltage power distribution in industrial and commercial panels. Branch and feeder protection for motors, transformers, and loads. Control and automation panels where robust protection and compact size are key. General safety overcurrent protection in three‑phase systems.