OS125GB04BBN2P
Product ID:75152
Updated: 2026/7/14
Key Features
- 1Protect motors with a 125A rated switch fuse for demanding applications.
- 2Maintain reliability using self-cleaning contacts that eliminate routine maintenance.
- 3Simplify installation via a modular design for 2-, 3-, or 4-pole setups.
- 4Enhance safety with interlocking covers that prevent access when energized.
- 5Reduce installation time using adjustable shafts and snap-on accessories.
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Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Pollution Degree | 3 | Product Net Width | 137 mm |
| Product Net Height | 182 mm | Product Net Depth / Length | 118 mm |
| Product Net Weight | 2.4 kg | Conventional Free-air Thermal Current (Ith) | Π= 40 °C 125 A |
| Conventional Thermal Current (Ithe) | Fully Enclosed 125 A | Fourth Pole Position | Right Side |
| Fourth Pole Type | Switched - With Solid Link | Fuse Size | A2-A4 |
| Fuse System | British Standard | Handle Type | Handle and shaft included |
| Mounting Type | Base mounting | Number of Poles | 4 |
| Operating Mode | Front Operated | Pollution Degree | 3 |
| Position of Line Terminals | Back In - Back 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 |
| Standards | IEC 60947-3 | Switches Operating Mechanism | 04 (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 | 1SCA120785R1001 |
Specifications may be subject to change without notice
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