OS630D21
Product ID:74407
Updated: 2026/4/3
Key Features
- 1Ensure high protection and reliability with rapid fault clearance. 2、Install easily in compact spaces due to its small design. 3、Adjust the shaft for various installation depths and panel layouts. 4、Save valuable panel space with its modular and flexible structure. 5、Protect robust motors with high operational currents up to 630A.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Pollution Degree | 3 | Product Net Width | 341 mm |
| Product Net Height | 306 mm | Product Net Depth / Length | 233 mm |
| Product Net Weight | 14.39 kg 31.72 lb | Conventional Free-air Thermal Current (Ith) | Π= 40 °C 630 A |
| Conventional Thermal Current (Ithe) | Fully Enclosed 570 A | Fuse Size | NH3 |
| 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 46 W |
| Rated Conditional Short-Circuit Current (Inc) | (690 V) 80 kA | Rated Current (In) | Main Circuit 630 A |
| Rated Impulse Withstand Voltage (Uimp) | 12 kV | Rated Insulation Voltage (Ui) | 1000 V |
| Rated Operational Current AC-21A (Ie) | (500 V) 630 A (690 V) 630 A | Rated Operational Current AC-22A (Ie) | (380 ... 415 V) 630 A (500 V) 630 A (690 V) 630 A |
| Rated Operational Current AC-23A (Ie) | (380 ... 415 V) 630 A (500 V) 630 A (690 V) 630 A | Rated Operational Power AC-23A (Pe) | (220 ... 240 V) 200 kW (400 V) 355 kW (415 V) 355 kW (500 V) 450 kW (690 V) 630 kW |
| Rated Operational Voltage | Main Circuit 690 V AC | Rated Short-time Withstand Current Low Voltage (Icw) | for 1 s 18 kiloampere rms |
| Standards | IEC 60947-3 | Switches Operating Mechanism | 21 (Between the Poles) |
| Terminal Type | Lug terminals | Terminal Width | 39 mm |
| Tightening Torque | 50 ... 75 N·m | Tightening Torque | 50 ... 75 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 | 1SCA022835R7850 |
Specifications may be subject to change without notice