OS250DS04F
Product ID:75446
Updated: 2026/4/3
Key Features
- 1Choose from single to four pole versions for diverse needs. 2、Handle high operational currents up to 160A reliably. 3、Enhance functionality with locking accessories and auxiliary contacts. 4、Ensure system safety with IEC 60947 compliance. 5、Select from various switch sizes and terminal configurations.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Pollution Degree | 3 | Product Net Width | 294 mm |
| Product Net Height | 199 mm | Product Net Depth / Length | 154 mm |
| Product Net Weight | 4.6 kg 10.2 lb | Conventional Free-air Thermal Current (Ith) | Π= 40 °C 250 A |
| Conventional Thermal Current (Ithe) | Fully Enclosed 250 A | Fourth Pole Type | Switched - Fusible Pole |
| Fuse Size | NH0 NH1 | Fuse System | DIN |
| Handle Type | Handle and shaft not included | Mounting Type | Base mounting |
| Number of Poles | 4 | Operating Mode | Side Operated |
| Pollution Degree | 3 | Position of Line Terminals | Top In - Bottom Out, Bottom In - Top Out |
| Power Loss | at Rated Operating Conditions per Pole 13 W | Rated Conditional Short-Circuit Current (Inc) | (690 V) 80 kA |
| Rated Current (In) | Main Circuit 250 A | Rated Impulse Withstand Voltage (Uimp) | 12 kV |
| Rated Insulation Voltage (Ui) | 1000 V | Rated Operational Current AC-21A (Ie) | (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 V) 140 kW (415 V) 145 kW (500 V) 170 kW (690 V) 250 kW | Rated Operational Voltage | Main Circuit 690 V AC |
| Rated Short-time Withstand Current Low Voltage (Icw) | for 1 s 8 kiloampere rms | Standards | IEC 60947-3 |
| Switches Operating Mechanism | 04 (Left Side) | Terminal Type | Lug terminals |
| Terminal Width | 25 mm | Tightening Torque | 30 ... 44 N·m |
| Tightening Torque | 30 ... 44 N·m | Object Classification Code | Q |
| ETIM 8 | EC001040 - Fuse switch disconnector | ETIM 9 | EC001040 - Fuse switch disconnector |
| UNSPSC | 39122233 | IDEA Granular Category Code (IGCC) | 5291 >> Fuse switch disconnector |
| eClass | V11.1 : 27371401 | WEEE Category | 5. Small Equipment (No External Dimension More Than 50 cm) |
| E-Number (Finland) | 3661151 | Manufacturer ID | 1SCA022860R3210 |
Specifications may be subject to change without notice