Key Technical Parameters General & Protection Product / Model: ABB XT3N250 TMD200/2000 FF 3P Device Type: Molded Case Circuit Breaker (MCCB) Series: Tmax XT Number of Poles: 3 Trip Unit Type: Thermal‑Magnetic (TMD) Mounting Style: Fixed with front terminals Current & Voltage Ratings Rated Continuous Current (In): 200 A Overload Trip Setting Range: ~140–200 A Instantaneous Short‑Circuit Setting: 2000 A Rated Operational Voltage: Up to 690 V AC or 500 V DC Rated Frequency: 50 Hz / 60 Hz Rated Insulation Voltage (Ui): ~800 V Rated Impulse Withstand Voltage (Uimp): ~8 kV Short‑Circuit & Breaking Capacity Ultimate Breaking Capacity (Icu): ~50 kA at 220–240 V AC ~36 kA at 380–415 V AC ~20 kA at 500 V AC ~5 kA at 690 V AC DC Breaking Capacity: ~36 kA at 250 V DC (2 poles in series) ~50 kA at 500 V DC (3 poles in series) Performance & Durability Electrical Durability: ~120 cycles/hour (up to ~8000 operations) Mechanical Durability: ~240 cycles/hour (up to ~25,000 operations) Power Loss: ~13 W per pole at rated conditions Terminal Type: Front, bolt connection (tightening torque ~8 N·m) Physical Dimensions (approx): ~150 mm (H) × 105 mm (W) × 70 mm (D) Weight: ~1.7 kg Degree of Protection: Standard industrial housing suitable for enclosure mounting Applications Main & feeder protection in distribution boards Motor feeder circuits protection Industrial and commercial electrical systems requiring robust overload and short‑circuit protection