OS125GB03N3
Product ID:75504
Updated: 2026/4/3
Key Features
- 1Ensure high reliability in demanding industrial applications. 2、Utilize self-cleaning contacts for a maintenance-free electrical life. 3、Simplify installation with a modular and flexible design. 4、Enhance safety via interlocking fuse covers against electric shock. 5、Adjust the shaft for versatile mounting and space optimization.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Pollution Degree | 3 | Product Net Width | 147 mm |
| Product Net Height | 140 mm | Product Net Depth / Length | 115 mm |
| Product Net Weight | 2.08 kg 4.59 lb | Conventional Free-air Thermal Current (Ith) | Π= 40 °C 125 A |
| Conventional Thermal Current (Ithe) | Fully Enclosed 125 A | Fourth Pole Type | Detachable Neutral Link Integrated Into the Mechanism |
| Fuse Size | A2-A4 | Fuse System | British Standard |
| Handle Type | Handle and shaft not included | Mounting Type | Base mounting |
| Number of Poles | 3+N | 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 4 W | Rated Conditional Short-Circuit Current (Inc) | (690 V) 80 kA |
| Rated Current (In) | Main Circuit 125 A | Rated Impulse Withstand Voltage (Uimp) | 8 kV |
| Rated Insulation Voltage (Ui) | 1000 V | Rated Operational Current AC-21A (Ie) | (500 V) 125 A (690 V) 125 A |
| Rated Operational Current AC-22A (Ie) | (500 V) 125 A (690 V) 125 A | Rated Operational Current AC-23A (Ie) | (500 V) 125 A (690 V) 125 A |
| Rated Operational Power AC-23A (Pe) | (220 ... 240 V) 37 kW (400 V) 55 kW (415 V) 55 kW (500 V) 75 kW (690 V) 110 kW | Rated Operational Voltage | Main Circuit 690 V AC |
| Rated Short-time Withstand Current Low Voltage (Icw) | for 1 s 5 kiloampere rms | Special Functions | Detachable Neutral |
| Standards | IEC 60947-3 | Switches Operating Mechanism | 03 (Left Side) |
| Terminal Type | Lug terminals | Terminal Width | 20 mm |
| Tightening Torque | 15 ⦠22 N·m | Tightening Torque | 15 ⦠22 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) | Manufacturer ID | 1SCA122007R1001 |
Specifications may be subject to change without notice