OS400BS40N2
Product ID:74794
Updated: 2026/4/3
Key Features
- 1Provide robust 4-pole electrical protection against surges and faults. 2、Ensure compliance with British Standard (B1-B4) specifications for reliability. 3、Operate conveniently from the side for easy circuit management. 4、Validate environmental commitment with UL 2799 Zero Waste to Landfill. 5、Integrate seamlessly into various cubicle designs for versatile application.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Pollution Degree | 3 | Product Net Width | 352 mm |
| Product Net Height | 230 mm | Product Net Depth / Length | 176 mm |
| Product Net Weight | 8.655 kg 19.08 lb | Conventional Free-air Thermal Current (Ith) | Π= 40 °C 400 A |
| Conventional Thermal Current (Ithe) | Fully Enclosed 400 A | Fourth Pole Position | Right Side |
| Fourth Pole Type | Switched - With Solid Link | Fuse Size | B1-B4 |
| Fuse System | British Standard | Handle Type | Handle and shaft not included |
| Mounting Type | Base mounting | Number of Poles | 4 |
| Operating Mode | Side Operated | Pollution Degree | 3 |
| Position of Line Terminals | Top In - Bottom Out, Bottom In - Top Out | Power Loss | at Rated Operating Conditions per Pole 30 W |
| Rated Conditional Short-Circuit Current (Inc) | (690 V) 80 kA | Rated Current (In) | Main Circuit 400 A |
| Rated Impulse Withstand Voltage (Uimp) | 12 kV | Rated Insulation Voltage (Ui) | 1000 V |
| Rated Operational Current AC-21A (Ie) | (500 V) 400 A (690 V) 400 A | Rated Operational Current AC-22A (Ie) | (380 ... 415 V) 400 A (500 V) 400 A (690 V) 400 A |
| Rated Operational Current AC-23A (Ie) | (380 ... 415 V) 400 A (500 V) 400 A (690 V) 400 A | Rated Operational Power AC-23A (Pe) | (220 ... 240 V) 132 kW (400 V) 220 kW (415 V) 230 kW (500 V) 280 kW (690 V) 400 kW |
| Rated Operational Voltage | Main Circuit 690 V AC | Rated Short-time Withstand Current Low Voltage (Icw) | for 1 s 14 kiloampere rms |
| Standards | IEC 60947-3 | Switches Operating Mechanism | 40 (Right Side) |
| Terminal Type | Lug terminals | Terminal Width | 25 mm |
| Tightening Torque | 30 ... 44 N·m | Tightening Torque | 30 ... 44 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 | 1SCA022871R0560 |
Specifications may be subject to change without notice