WEG MPW18-3-U018 Manual Motor Protector 12-18A 3-Pole 690V Breaker

The WEG MPW18-3-U018 is a 3-pole manual motor protector (motor-protective circuit breaker) with an adjustable 12–18A thermal overload setting range, designed to provide combined short-circuit and overload protection for motors up to 18A. Featuring pushbutton on/off operation with trip indication, phase-loss sensitivity, and magnetic short-circuit protection set at 13× rated current, it's a compact, panel-saving solution for motor control applications. UL508 and IEC 60947 approved, DIN-rail mountable, and suitable for Type-E and Type-F self-protected motor controller applications.
 
Key Specifications
Maximum Rated Current (Ie): 18A
Thermal Overload Setting Range: 12–18A
Poles: 3
Rated Voltage: 690V AC, 50/60 Hz
Short-Circuit Protection: Magnetic, set at 13× In
Operation: On/Off Pushbutton with Trip Indication
Terminal Type: Screw
Protection Rating: IP20
Mounting: DIN Rail (panel mount available with accessory)
Phase-Loss Sensitivity: Yes (differential mechanism)
Standards: UL 508, IEC 60947, cUL, CE
Applications: Type-E and Type-F self-protected motor controllers
 
Ideal for protecting three-phase motors in pumps, fans, compressors, conveyors, and general industrial machinery where compact, reliable motor protection is required.