OTM1250E3CM24D
Product ID:86234
Updated: 2026/4/4

Key Features
- 1Handle 1250A current for efficient power transfer. 2、Enable motorized switching for remote operation. 3、Utilize compact open transition design to save space. 4、Ensure reliability with 12kV impulse voltage rating. 5、Simplify installation with included accessories kit.
Technical Specifications
Detailed engineering parameters
| 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
