Product Model
OS1250B03N3P

Key Features
- 1High-rated current of 1250 A for efficient power distribution.
- 2Robust insulation with a rated insulation voltage of 1000 V for enhanced safety.
- 3Compact design for easy installation in smaller enclosures, saving space and installation time.
- 4Front-operated mechanism with a detachable neutral link integrated into the mechanism for user convenience.
- 5Compliance with IEC 60947-3 standards for high reliability and performance in heavy industry applications.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Pollution Degree | 3 | Product Net Width | 429 mm |
| Product Net Height | 356 mm | Product Net Depth / Length | 366 mm |
| Product Net Weight | 30.21 kg 66.6 lb | Conventional Free-air Thermal Current (Ith) | Π= 40 °C 1250 A |
| Conventional Thermal Current (Ithe) | Fully Enclosed 1000 A | Fourth Pole Type | Detachable Neutral Link Integrated Into the Mechanism |
| Fuse Size | D1 | Fuse System | British Standard |
| Handle Type | Pistol handle and shaft included | Mounting Type | Base mounting |
| Number of Poles | 3 | 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 |
| Special Functions | Detachable Neutral | Standards | IEC 60947-3 |
| Switches Operating Mechanism | 03 (Left Side) | 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 | 5. Small Equipment (No External Dimension More Than 50 cm) |
| E-Number (Finland) | 3661014 | Manufacturer ID | 1SCA107936R1001 |
Specifications may be subject to change without notice
