OS125GB03N3P-42
Product ID:75543
Updated: 2026/4/3
Key Features
- 1Simplify installation with nuts integrated on the back of terminals. 2、Configure flexibly using the detachable neutral link. 3、Adjust the shaft to different depths for precise placement. 4、Secure operations with an IP65 protected, padlockable handle. 5、Handle demanding 125A applications at 690V AC reliably.
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 | 2.35 kg 5.18 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 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 | 1SCA129912R1001 |
Specifications may be subject to change without notice