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

Technical Parameters Specification Value / Description Product Type Miniature Circuit Breaker (MCB) Model S203M‑C10 Poles 3 poles (3P) Rated Current (In) 10 A Rated Operational Voltage 230/400 V AC (Three‑phase) Rated Insulation Voltage (Ui) 440 V AC Rated Operational Voltage (Ue) 400 V AC Rated Short‑Circuit Breaking Capacity (Icn) 10 kA at 400 V AC Rated Ultimate Short‑Circuit Breaking Capacity (Icu) Up to 25 kA at 230 V AC Tripping Curve Type C (magnetic‑thermal trip) Trip Mechanism Thermal for overload, magnetic for short‑circuit Frequency 50 Hz / 60 Hz Connections Screw terminals with cylinder‑lift clamp Mounting DIN‑rail (TH35) Terminal Capacity Flex: 0.75–25 mm²; Rigid: 0.75–35 mm² Power Loss ~6.3 W total (2.1 W per pole) Operating Ambient Temp –25 °C to +55 °C Degree of Protection IP20 (terminal area); IP40 with enclosure Mechanical Endurance ~20,000 cycles Electrical Endurance ~20,000 AC cycles

Technical Parameters Specification Typical Value / Description Product Type Motorized Automatic Transfer Switch (ATS) / Change‑Over Switch Model OTM250E4C3D380C Number of Poles 4 poles (three phases + neutral) Rated Operational Current 250 A Rated Insulation Voltage (Ui) ~1000 V AC Impulse Withstand Voltage (Uimp) ~12 kV Rated Operational Voltage Up to ~1000 V AC for main circuit Control / Motor Supply Voltage 380 V AC Rated Short‑Time Withstand Current ~8 kA for 1 s Rated Operational Power (AC‑23A) ≈140 kW at 400 V AC (higher ratings at elevated voltages) Operating Modes Automatic motorized change‑over and manual handle override Mechanical Interlock Yes — prevents simultaneous source connection Handle / Operation Type Direct mounted handle for manual operation Mounting / Installation Panel or enclosure mount Typical Application Automatic transfer between mains and backup generator in industrial and commercial power systems

Technical Parameters Specification Typical Value / Description Product Type Motorized Automatic Transfer Switch / Change‑over Switch Model OTM80F4C10D380C Number of Poles 4 poles (3 phases + neutral) Rated Operational Current 80 A Rated Operational Voltage Designed for low‑voltage three‑phase systems (e.g., ~380–415 V AC) Rated Insulation Voltage (Ui) Approx. up to 800–1000 V AC Impulse Withstand Voltage (Uimp) Several kilovolts (device withstands typical surge conditions) Control / Motor Supply Voltage 380 V AC (indicated by suffix) Transition Type Open transition change‑over Operating Modes Automatic (motorized remote) and Manual (handle) Mechanical Interlock Yes — prevents simultaneous connection of both sources Mounting Panel or enclosure mount Typical Application Automatic load transfer between utility and backup power sources in commercial and industrial power systems

Technical Parameters Specification Typical Value / Description Product Type Motorized Automatic Transfer Switch / Change‑Over Switch Model OTM200E4C10D380C Number of Poles 4 poles (three phases + neutral) Rated Operational Current 200 A Rated Operational Voltage Designed for three‑phase low‑voltage systems (typically up to ~690 V AC) Rated Insulation Voltage (Ui) ~800–1000 V AC Impulse Withstand Voltage (Uimp) Several kilovolts (device withstands typical surge conditions) Control / Motor Supply Voltage 380 V AC (indicated by 380C suffix) Transition Type Open transition change‑over Operating Modes Automatic (motorized) and Manual (handle) Mechanical Interlock Yes — prevents simultaneous connection of both sources Mounting Panel or enclosure mount Typical Application Automatic load transfer between utility mains and backup gensets in industrial and commercial power systems

Technical Parameters Specification Typical Value / Description Product Type Motorized Automatic Transfer Switch / Change‑Over Switch Model OTM400E4C11D380C Number of Poles 4 poles (three phases + neutral) Rated Operational Current 400 A Rated Insulation Voltage (Ui) 1000 V AC Impulse Withstand Voltage (Uimp) 12 kV Rated Operational Voltage Up to 1000 V AC Rated Short‑Time Withstand Current ~15 kA for 1 s Rated Operational Power (AC‑23A) Approx. 220 kW @ 400 V; higher at elevated voltages Control / Motor Supply Voltage 380 V AC (motor operator supply) Transition Type Open transition change‑over Operating Modes Automatic motorized and manual handle operation Mechanical Interlock Yes — prevents simultaneous source connection Mounting Panel or enclosure mount Typical Use Automatic transfer between utility mains and backup generator in three‑phase distribution systems

Technical Parameters Specification Typical Value / Description Product Type Motorized Automatic Transfer Switch / Change‑Over Switch Model OTM800E3C21D380C Number of Poles 4 poles (3 phases + neutral) Rated Operational Current 800 A (class rating) Rated Operational Voltage Up to 1000 V AC main circuit Rated Insulation Voltage (Ui) 1000 V AC Impulse Withstand Voltage (Uimp) ~12 kV Rated Short‑Time Withstand Current (1 s) ~20 kA Rated Operational Power (three‑phase) Approx. 450 kW @ 380–415 V Control / Motor Supply Voltage 380 V AC Transition Type Open transition change‑over Operating Modes Automatic motorized operation and manual handle override Mechanical Interlock Yes — prevents simultaneous connection of sources Mounting Panel or enclosure mount Typical Applications Automatic transfer between mains and backup generator in industrial/commercial three‑phase systems