Key Technical Parameters General & Protection Product / Model: ABB XT1N160 TMD160‑1600 FF 3P Device Type: Molded Case Circuit Breaker (MCCB) Series: Tmax XT Number of Poles: 3 (three‑pole) Trip Unit Type: Thermal‑Magnetic (TMD) Mounting Style: Fixed installation, front terminal connections Current & Voltage Ratings Rated Continuous Current (In): 160 A Adjustable Instantaneous Short‑Circuit Setting: 160–1600 A Rated Operational Voltage: Up to 690 V AC / 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 Capacities Rated Ultimate Breaking Capacity (Icu): • ~65 kA at 220–240 V AC • ~36 kA at 380–415 V AC • ~30 kA at 500 V AC • ~6 kA at 690 V AC Rated Service Breaking Capacity (Ics): Slightly lower than Icu depending on voltage DC Breaking Capability: Up to ~36 kA at 250–500 V DC Performance & Durability Electrical Durability: ~120 cycles/hour (up to ~8000 operations) Mechanical Durability: ~240 cycles/hour (up to ~25,000 operations) Power Loss: ~15 W per pole at rated operating conditions Connection / Wiring: Front panel wiring with busbar or cable lug options Environmental & Applications Typical Operational Systems: Industrial switchboards, motor feeders, main and feeder protection in commercial or industrial electrical distribution Standards Compliance: IEC 60947‑2 Use Cases: Overload protection, short‑circuit interruption, isolation in three‑phase AC and DC systems