Product Model
OT250E21

Key Features
- 1High-performance compact solution for reliable operation.
- 2Designed and built for extreme conditions, ensuring safe and accessible electrical cabinets.
- 3Reduces energy consumption and optimizes electrical cabinet placement.
- 4Features ELCB, MCB, MCCB, RCBO, and RCCB protection types.
- 5Available with TME and Eltra Trade for competitive pricing and global delivery.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Degree of Protection | Front IP00 | Environmental Information | 1SCC301265D0201 |
| Pollution Degree | 3 | Product Net Width | 150.5 mm |
| Product Net Height | 150 mm | Product Net Depth / Length | 82.5 mm |
| Product Net Weight | 1.3 kg | Conventional Free-air Thermal Current (Ith) | Π= 40 °C 250 A |
| Conventional Thermal Current (Ithe) | Fully Enclosed 250 A | Degree of Protection | Front IP00 |
| Distance Between Phases | Standard | Handle Type | Handle and shaft not included |
| Lock Type | No | Mechanical Durability | 20000 |
| 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 6.5 W |
| Rated Impulse Withstand Voltage (Uimp) | 12 kV | Rated Insulation Voltage (Ui) | acc. to IEC/EN 60664-1 1000 V |
| Rated Operational Current AC-21A (Ie) | (380 ... 415 V) 250 A (500 V) 250 A (690 V) 250 A | Rated Operational Current AC-22A (Ie) | (380 ... 415 V) 250 A (500 V) 250 A (690 V) 250 A |
| Rated Operational Current AC-23A (Ie) | (380 ... 415 V) 250 A (500 V) 250 A (690 V) 250 A | Rated Operational Power AC-23A (Pe) | (220 ... 240 V) 75 kW (400 ... 415 V) 145 kW (500 V) 170 kW (690 V) 250 kW |
| Rated Operational Voltage | Main Circuit 1000 V | Rated Short-Circuit Making Capacity (Icm) | (690 V) 30 kA |
| Rated Short-time Withstand Current Low Voltage (Icw) | for 1 s 8 kA | Special Functions | No |
| Standards | IEC 60947-3 | Switches Operating Mechanism | Mechanism Between the Poles 21 (Between the Poles) |
| Terminal Type | Lug terminals | Tightening Torque | acc. IEC 60947-1 15 ⦠22 N·m |
| Tightening Torque | acc. IEC 60947-1 15 ⦠22 N·m | Object Classification Code | Q |
| ETIM 8 | EC000216 - Switch disconnector | ETIM 9 | EC000216 - Switch disconnector (low voltage) |
| eClass | V11.1 : 27371403 | WEEE Category | 5. Small Equipment (No External Dimension More Than 50 cm) |
| Manufacturer ID | 1SCA022731R1900 |
Specifications may be subject to change without notice
