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XT2N 160 TMA63/630 F F 3P

The ABB XT2N 160 TMA63/630 3‑pole MCCB is a molded‑case circuit breaker (MCCB) from the ABB SACE Tmax XT series, designed for protection of electrical circuits and machinery. It provides overcurrent and short‑circuit protection using a thermal‑magnetic (TMA) trip unit. The breaker is fixed (non‑withdrawable), features front‑terminal connections (“F F”), and is intended for installation in industrial and commercial low‑voltage power distribution systems.

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Technical Parameters Parameter / Feature Specification Model / Type XT2N 160 TMA63/630 3P FF MCCB Poles 3‑pole (3P) Trip Unit Type Thermal‑magnetic (TMA) Adjustable Current Range 63 A nominal, adjustable up to 630 A depending on setting Rated Operational Voltage Up to 690 V AC Insulation / Impulse Withstand Voltage 690 V AC / 1000 V impulse withstand Short‑Circuit Breaking Capacity e.g., 36 kA at 400 V AC; higher at lower voltages depending on variant Frame / Device Size XT2 160 frame class Terminals / Connection Front terminals (FF), fixed mounting Mounting DIN‑rail or panel mounting (fixed) Typical Applications Industrial / commercial low‑voltage distribution, motor and equipment protection, branch‑circuit protection