Technical Parameters Specification Typical Value / Description Product Type Automatic Transfer Switch / Motorized Change‑Over Switch Model OTM32F4C12T380C Number of Poles 4 poles (three phases + neutral) Rated Operational Current ~32 A class (nominal) (typical for OTM32 series) Rated Operational Voltage Approx. 380–415 V AC three‑phase Transition Type Open transition change‑over Operating Modes Automatic (motorized) control and manual handle operation Motor Supply/Control Voltage Typical motor/control voltage around mains level (380 V indicated by suffix) Safety Features Mechanical interlock prevents simultaneous source connection Mounting Panel or enclosure mounting Typical Applications Automatic load transfer between mains and backup power in industrial/commercial systems

Technical Parameters Specification Typical Value / Description Product Type Motorized Change‑Over / Transfer Switch Model OTM40E4C3D220C Number of Poles 4 poles (three phases + neutral) Rated Operational Current ~40 A Rated Operational Voltage Low-voltage AC system (up to ~690 V) Rated Insulation Voltage (Ui) Suitable for low-voltage distribution systems Impulse Withstand Voltage (Uimp) Several kV Motor/Control Voltage ~220 V AC Transition Type Open transition change‑over Operating Modes Motorized automatic + manual handle operation Safety Features Mechanical interlock prevents simultaneous source connection Mounting Panel or enclosure mount Typical Applications Automatic/remote load transfer between utility mains and backup power in industrial and commercial installations

Technical Parameters Specification Typical Value / Description Product Type Automatic Transfer Switch (ATS) / Motorized Change‑Over Switch Model OTM63F4C20D380C Series OTM_C20D compact ATS Number of Poles 4 poles (three phases + neutral) Rated Current ~63 A class Rated Operational Voltage 380–415 V AC (three‑phase) Control / Motor Voltage ~380 V AC (motor operator supply) Transition Type Open transition change‑over Operating Modes Automatic (motorized) and manual handle override Mechanical Interlock Yes — prevents both sources from being connected simultaneously Mounting Panel or enclosure mount Protection / Environment Designed for indoor low‑voltage use Typical Use Automatic load transfer between utility and backup generators

Technical Parameters Specification Typical Value / Description Product Type Automatic Transfer Switch / Motorized Change‑Over Switch Model OTM160E4C10D380C Number of Poles 4 poles (three phases + neutral) Rated Operational Current 160 A Rated Operational Voltage Up to 1000 V AC (low-voltage distribution systems) Rated Insulation Voltage (Ui) Up to 1000 V AC Impulse Withstand Voltage (Uimp) Approx. 12 kV Transition Type Open transition change‑over Motor/Control Supply Voltage 380 V AC Operating Modes Automatic motorized and manual handle operation Safety Features Mechanical interlock prevents simultaneous source connection Mounting Panel or enclosure mount Typical Applications Automatic load transfer between primary and backup power in industrial and commercial systems

Technical Parameters Specification Typical Value / Description Product Type Automatic Transfer Switch (ATS) / Motorized Change‑Over Switch Model OTM250E4C11D380C Number of Poles 4 Poles (three phases + neutral) Rated Operational Current ~250 A class for AC circuits Rated Operational Voltage Up to 1000 V AC main circuit Rated Insulation Voltage (Ui) ~1000 V Impulse Withstand Voltage (Uimp) ~12 kV Thermal Current (Ith) ~250 A (continuous) Short‑Time Withstand Current ~8 kA for 1 s Rated Operational Power Up to ~140 kW at 380–415 V AC Motor / Control Supply Designed for integration with motor operator and external control logic (motor operator supply usually separate) Operating Modes Motorized automatic switching and manual override Mechanical Interlock Yes — prevents simultaneous connection of sources Mounting Panel or enclosure mount Degree of Protection Typical front panel IP20 Pollution Degree 3 (industrial environments) Typical Application Automatic source transfer between mains and generator for industrial/commercial power systems

Technical Parameters Specification Typical Value / Description Product Type Motorized Change‑over / Transfer Switch Model OTM80E4C3D220C Number of Poles 4 poles (three phases + neutral) Rated Operational Current ~80 A (nominal) Rated Operational Voltage Low‑voltage AC system (commonly up to ~690–1000 V AC) Rated Insulation Voltage (Ui) Up to typical low‑voltage system level Impulse Withstand Voltage (Uimp) Several kilovolts (surge capability for common environments) Control / Motor Supply Voltage ~220 V AC (indicated by suffix “220C”) Transition Type Open transition change‑over Operating Modes Motorized automatic and manual handle operation Safety Features Mechanical interlock to prevent simultaneous source connection Mounting Panel or enclosure mount Typical Applications Automatic/remote load transfer between primary and backup sources in industrial and commercial power systems

Technical Parameters Specification Typical Value / Description Product Type Motorized Change‑Over / Automatic Transfer Switch Model OTM100F4C12T380C Number of Poles 4 poles (three phases + neutral) Rated Operational Current 100 A Rated Operational Voltage Up to ~690 V AC Rated Insulation Voltage (Ui) Up to ~800–1000 V AC Impulse Withstand Voltage (Uimp) Several kilovolts Control / Motor Supply Voltage 380 V AC Transition Type Open transition change‑over Operating Modes Automatic motorized and manual handle operation Safety Features Mechanical interlock prevents simultaneous source connection Mounting Panel or enclosure mount Typical Applications Automatic transfer between utility mains and backup generators; industrial and commercial power systems

Technical Parameters Specification Typical Value / Description Product Type Motorized Change‑Over / Automatic Transfer Switch Model OTM63E4C3D220C Number of Poles 4 poles (three phases + neutral) Rated Operational Current 63 A Rated Operational Voltage Up to ~690 V AC Rated Insulation Voltage (Ui) ~800–1000 V AC Impulse Withstand Voltage (Uimp) Several kilovolts Control / Motor Supply Voltage 220 V AC Transition Type Open transition change‑over Operating Modes Automatic motorized and manual handle operation Safety Features Mechanical interlock prevents simultaneous source connection Mounting Panel or enclosure mount Typical Applications Automatic transfer between utility mains and backup generators; industrial and commercial power systems

Technical Parameters Specification Typical Value / Description Product Type Motorized Change‑Over / Automatic Transfer Switch Model OTM40F4C21D380C Number of Poles 4 poles (three phases + neutral) Rated Operational Current 40 A Rated Operational Voltage Up to ~690 V AC Rated Insulation Voltage (Ui) ~800–1000 V AC Impulse Withstand Voltage (Uimp) Several kilovolts Control / Motor Supply Voltage 380 V AC Transition Type Open transition change‑over Operating Modes Automatic motorized and manual handle operation Safety Features Mechanical interlock prevents simultaneous source connection Mounting Panel or enclosure mount Typical Applications Automatic transfer between utility mains and backup generators; industrial and commercial power systems

Technical Parameters Specification Typical Value / Description Product Type Motorized Change‑Over / Automatic Transfer Switch Model OTM63F4C21D380C Number of Poles 4 poles (three phases + neutral) Rated Operational Current 63 A Rated Operational Voltage Up to ~690 V AC Rated Insulation Voltage (Ui) ~800–1000 V AC Impulse Withstand Voltage (Uimp) Several kilovolts Control / Motor Supply Voltage 380 V AC Transition Type Open transition change‑over Operating Modes Automatic motorized and manual handle operation Safety Features Mechanical interlock prevents simultaneous source connection Mounting Panel or enclosure mount Typical Applications Automatic transfer between utility mains and backup generators; industrial and commercial power systems

Technical Parameters Specification Typical Value / Description Product Type Motorized Change‑Over / Automatic Transfer Switch Model OTM40F4C12D380C6-1 Number of Poles 4 poles (three phases + neutral) Rated Operational Current 40 A Rated Operational Voltage Up to ~690 V AC Rated Insulation Voltage (Ui) ~800–1000 V AC Impulse Withstand Voltage (Uimp) Several kilovolts Control / Motor Supply Voltage 380 V AC Transition Type Open transition change‑over Operating Modes Automatic motorized and manual handle operation Safety Features Mechanical interlock prevents simultaneous source connection Mounting Panel or enclosure mount Typical Applications Automatic transfer between utility mains and backup generators; industrial and commercial power systems

Technical Parameters Specification Typical Value / Description Product Type Motorized Change‑Over / Automatic Transfer Switch Model OTM100F4C12D380C Number of Poles 4 poles (three phases + neutral) Rated Operational Current 100 A Rated Operational Voltage Up to ~690 V AC Rated Insulation Voltage (Ui) ~800–1000 V AC Impulse Withstand Voltage (Uimp) Several kilovolts Control / Motor Supply Voltage 380 V AC Transition Type Open transition change‑over Operating Modes Automatic motorized and manual handle operation Safety Features Mechanical interlock prevents simultaneous source connection Mounting Panel or enclosure mount Typical Applications Automatic transfer between utility mains and backup generators; industrial and commercial power systems