OS1250B22N2P
Product ID:74195
Updated: 2026/4/3
Key Features
- 1Handle up to 1250 A current for demanding applications. 2、Operate safely from the front with a solid link design. 3、Ensure compliance with British and EU standards including RoHS. 4、Simplify switching using the included pistol handle and shaft. 5、Protect main circuits rated up to 690 volts AC.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Pollution Degree | 3 | Product Net Width | 542 mm |
| Product Net Height | 356 mm | Product Net Depth / Length | 371 mm |
| Product Net Weight | 36.705 kg 80.92 lb | Conventional Free-air Thermal Current (Ith) | Π= 40 °C 1250 A |
| Conventional Thermal Current (Ithe) | Fully Enclosed 1000 A | Fourth Pole Position | Right Side |
| Fourth Pole Type | Switched - With Solid Link | Fuse Size | D1 |
| Fuse System | British Standard | Handle Type | Pistol handle and shaft included |
| Mounting Type | Base mounting | Number of Poles | 4 |
| 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 75 W |
| Rated Conditional Short-Circuit Current (Inc) | (690 V) 80 kA | Rated Current (In) | Main Circuit 1250 A |
| 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-21B (Ie) | (500 V) 1250 A (690 V) 1250 A |
| Rated Operational Current AC-22A (Ie) | (380 ... 415 V) 1250 A | Rated Operational Current AC-22B (Ie) | (500 V) 1250 A (690 V) 1250 A |
| Rated Operational Current AC-23A (Ie) | (380 ... 415 V) 1000 A | Rated Operational Current AC-23B (Ie) | (500 V) 1000 A (690 V) 1000 A |
| Rated Operational Power AC-23A (Pe) | (220 ... 240 V) 315 kW (400 V) 560 kW (415 V) 560 kW (500 V) 710 kW (690 V) 1000 kW | Rated Operational Voltage | Main Circuit 690 V AC |
| Rated Short-time Withstand Current Low Voltage (Icw) | for 1 s 40 kiloampere rms | Standards | IEC 60947-3 |
| Switches Operating Mechanism | 22 (Between the Poles) | Terminal Type | Lug terminals |
| Terminal Width | 50 mm | Tightening Torque | 50 ... 75 N·m |
| Tightening Torque | 50 ... 75 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 | 4. Large Equipment (Any External Dimension More Than 50 cm) |
| E-Number (Finland) | 3661017 | Manufacturer ID | 1SCA107937R1001 |
Specifications may be subject to change without notice