Product Model
OS400D03BB

Selling Points
- 1Reliable Motor Protection: The OS400D03BB switch fuse offers world-class performance in motor protection, ensuring reliable operation even in extreme conditions.
- 2Self-Cleaning Contacts: The switch fuse features self-cleaning contacts that maintain a long, reliable electrical life without the need for maintenance.
- 3Modular Design: The modular design allows for easy and cost-efficient installation, maintenance, and use, with options for 2-, 3-, and 4-pole installations.
- 4Enhanced Safety Measures: Interlocking fuse covers prevent opening while the switch is in the "ON" position, reducing the risk of electric shock to authorized personnel.
- 5Time-Saving Accessories: Adjustable shafts, mounting feet, snap-on auxiliary contacts, and terminal shrouds significantly reduce installation time and costs.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
Pollution Degree | 3 | Product Net Width | 255 mm |
Product Net Height | 230 mm | Product Net Depth / Length | 230 mm |
Product Net Weight | 7.1 kg | Conventional Free-air Thermal Current (Ith) | Π= 40 °C 400 A |
Conventional Thermal Current (Ithe) | Fully Enclosed 400 A | Fuse Size | NH0 NH1 NH2 |
Fuse System | DIN | Handle Type | Handle and shaft not included |
Mounting Type | Base mounting | Number of Poles | 3 |
Operating Mode | Front Operated | Pollution Degree | 3 |
Position of Line Terminals | Back In - Back 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 | 03 (Left 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 | 1SCA102273R1001 |
Specifications may be subject to change without notice