Parameter Specification
Product Series / Range XT Series Molded-Case Circuit Breakers
Frame Size XT2
Rated Frame Current (Iu) 160 A
Rated Ultimate Breaking Capacity (Icu @ 400V AC) N-type: Typically 50 kA (Please confirm with official XT2N data sheet). L/H versions have different ratings.
Number of Poles 3 Poles (3P)
Trip Unit Type Electronic Trip Unit - TMA (or TMA-LSI). Provides Long-time (L), Short-time (S), Instantaneous (I) protection functions. May include Ground Fault (G).
Rated Current Setting (Ir) Set to 100 A (Continuously adjustable within a range, e.g., 0.4 - 1 x In, where In might be the sensor rating. *The notation "100/1000" likely indicates Ir=100A on a scale up to 1000A*).
Rated Operational Voltage (Ue) 400 V AC (3-phase)
Rated Insulation Voltage (Ui) 800 V AC
Connection Type Fixed Version, Front Terminal (FF)
Terminal Type Screw-type terminals for front cable connection.
Adjustable Protection Settings (Typical for TMA)
• Long-Time (L): Ir = 100 A (Set), tr (Time delay) adjustable.
• Short-Time (S): Isd (Pickup, multiple of Ir) adjustable, tsd (Time delay) adjustable.
• Instantaneous (I): Ii (Pickup, multiple of Ir) adjustable.
Standard Compliance IEC/EN 60947-1, IEC/EN 60947-2
Mounting Fixed mounting on panel or inside switchboard cubicle.
Control / Operation Manual operating handle. Can be equipped with motor operator (M2C), shunt trip (MX), under-voltage release (MN), and auxiliary contacts (OF, SD) as accessories.
Ambient Temperature (Operation) -25°C to +70°C (Storage: -40°C to +85°C)
The ABB XT2N160 TMA 100/1000 FF 3P is a high-performance, current-limiting, molded-case circuit breaker (MCCB) from ABB's advanced XT series. It is designed for main circuit protection and distribution in commercial buildings, industrial plants, and infrastructure applications where high breaking capacity and precise protection are required.