OS400D30N3
Product ID:75277
Updated: 2026/4/3

Key Features
- 1Deploy a high-performance 4-pole switch fuse for demanding electrical applications. 2、Operate conveniently with a front-mounted design for easy access and control. 3、Simplify maintenance using the detachable neutral link integrated into the mechanism. 4、Ensure seamless panel integration with full compliance to DIN rail standards. 5、Enhance operational safety with built-in protective features for secure performance.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Pollution Degree | 3 | Product Net Width | 255 mm |
| Product Net Height | 230 mm | Product Net Depth / Length | 193 mm |
| Product Net Weight | 6.78 kg 14.95 lb | Conventional Free-air Thermal Current (Ith) | Π= 40 °C 400 A |
| Conventional Thermal Current (Ithe) | Fully Enclosed 400 A | Fourth Pole Type | Detachable Neutral Link Integrated Into the Mechanism |
| 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 | 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 | Special Functions | Detachable Neutral |
| 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 | 1SCA022754R0250 |
Specifications may be subject to change without notice
