OS400BS30K
Product ID:75484
Updated: 2026/4/3
Key Features
- 1Ensure reliable operation in extreme conditions with a high-performance knife contact design. 2、Reduce maintenance needs by 30% using self-cleaning contacts for a long electrical life. 3、Cut installation time and cost with a modular design and snap-on auxiliary contacts. 4、Prevent electric shock risk via interlocking fuse covers that block opening when ON. 5、Meet global standards including UL, CSA, and CE for compliance and safety.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Pollution Degree | 3 | Product Net Width | 288 mm |
| Product Net Height | 230 mm | Product Net Depth / Length | 176 mm |
| Product Net Weight | 6.82 kg 15.04 lb | Conventional Free-air Thermal Current (Ith) | Π= 40 °C 400 A |
| Conventional Thermal Current (Ithe) | Fully Enclosed 400 A | Fuse Size | B1-B4 |
| Fuse System | British Standard | Handle Type | Direct mounted handle included |
| Mounting Type | Base mounting | Number of Poles | 3 |
| 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 | 30 (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 | 1SCA022871R0210 |
Specifications may be subject to change without notice