The Schneider Electric MT100/160 Motor Mechanism Module (often referenced as MT100/160 or MT250) is a motor‑mechanism accessory for Schneider molded case circuit breakers.
Specifications
Parameter Specification
Manufacturer Schneider Electric
Product Type Motor mechanism module (breaker operator)
Device Short Name MT100/160 / MT250
Function Remote electrical open / close operation of MCCBs
Control Circuit Voltage (Uc) 110…130 V AC, 50/60 Hz (standard MT module)
220…240 V AC, 50/60 Hz (common AC version)
208…277 V AC, 60 Hz (alternative AC supply option)
Compatible MCCB Frames Compact NSX100, NSX160 and similar low‑voltage breakers
Rated Circuit Breaker Current (supported) 100 A and 160 A frames
Control Signal Type Maintained or impulse signals supported
Response Time < 80 ms to close, < 700 ms to open (typical)
Maximum Operating Frequency Up to 4 operations per minute
Power Consumption ≤ 500 VA for opening and closing
Mounting Fixed, direct to breaker frame
Supplied Accessories Includes SDE adaptor for mounting
Locking Options Padlocking in OFF position (1–3 padlocks Ø 5–8 mm)
Typical Applications Remote breaker control, automation panels, safety interlocks, energy management