Product Model
OTM1250E3CM24D

Key Features
- 1High Current Rating: 1250A rated current for efficient power transfer.
- 2Motorized Switching: Electrically-operated changeover switch with motorized operation.
- 3Compact Design: Open I-O-II transition design for easy installation and space-saving.
- 4Reliable Performance: Rated impulse voltage of 12 kV and insulation voltage of 1000 V for high reliability.
- 5Comprehensive Accessories: Includes handle for manual operation, storage clip for handle and spare fuses, male connectors for control circuit, and M12 x 60 bolts and nuts kit for power connections.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Degree of Protection | Front IP20 | Environmental Information | 1SCC303036D0202 |
| Pollution Degree | 3 | Product Net Width | 507 mm 19.96 in |
| Product Net Height | 306 mm 12.05 in | Product Net Depth / Length | 297 mm 11.69 in |
| Product Net Weight | 51.4 kg 113.32 lb | Conventional Free-air Thermal Current (Ith) | Π= 40 °C 1250 A |
| Degree of Protection | Front IP20 | Distance Between Phases | Standard |
| Handle Color | Black | Handle Type | Direct mounted handle |
| Motor Operational Voltage | 24 V DC | Mounting Type | Base mounting |
| Number of Poles | 3P | Operating Mode | Front operated |
| Pollution Degree | 3 | Position of Line Terminals | Top In - Bottom Out, Bottom In - Top Out |
| Power Loss | at Rated Operating Conditions per Pole 29 W | Rated Impulse Withstand Voltage (Uimp) | 12 kV |
| Rated Insulation Voltage (Ui) | 1000 V | Rated Operational Current AC-21A (Ie) | (380 ... 415 V) 1250 A (500 V) 1250 A (690 V) 1250 A |
| Rated Operational Current AC-22A (Ie) | (380 ... 415 V) 1250 A (500 V) 1250 A (690 V) 1250 A | Rated Operational Current AC-23A (Ie) | (380 ... 415 V) 1250 A (500 V) 1250 A (690 V) 1250 A |
| Rated Operational Current AC-31B (Ie) | (380 ... 415 V) 1250 A | Rated Operational Current AC-33B (Ie) | (380 ... 415 V) 1000 A |
| Rated Operational Power AC-23A (Pe) | (380 ... 415 V) 710 kW (500 V) 900 kW (690 V) 1200 kW | Rated Operational Voltage | Main Circuit 1000 V |
| Rated Short-time Withstand Current Low Voltage (Icw) | for 1 s 50 kiloampere rms | Switches Operating Mechanism | Mechanism at the End of the Switch |
| Terminal Type | Screw Terminals | Tightening Torque | acc. IEC 60947-1 50 ... 75 N·m |
| Transition Type | Open | Tightening Torque | acc. IEC 60947-1 50 ... 75 N·m |
| Object Classification Code | Q | ETIM 8 | EC000216 - Switch disconnector |
| ETIM 9 | EC000216 - Switch disconnector (low voltage) | eClass | V11.1 : 27371403 |
| WEEE Category | 4. Large Equipment (Any External Dimension More Than 50 cm) | E-Number (Finland) | 3641783 |
| Manufacturer ID | 1SCA113671R1001 |
Specifications may be subject to change without notice
