Product Model
OS1250DA04F
Selling Points
- 1Engineered for demanding industrial applications, ensuring optimal motor protection.
- 2Self-cleaning contacts and interlocking fuse covers for reduced risk of electric shock.
- 3Modular design with adjustable shaft and snap-on auxiliary contacts for quick and cost-efficient installation.
- 4Handles up to 1250 A, suitable for heavy-duty applications.
- 5Meets IEC 60947-3 standards, ensuring reliable operation in various environmental conditions.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Pollution Degree | 3 | Product Net Width | 539 mm |
Product Net Height | 356 mm | Product Net Depth / Length | 294 mm |
Product Net Weight | 35 kg 77.16 lb | Conventional Free-air Thermal Current (Ith) | Π= 40 °C 1250 A |
Conventional Thermal Current (Ithe) | Fully Enclosed 1000 A | Fourth Pole Type | Switched - Fusible Pole |
Fuse Size | NH4a | Fuse System | DIN |
Handle Type | Handle and shaft not included | Mounting Type | Base mounting |
Number of Poles | 4 | 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 75 W | Rated Conditional Short-Circuit Current (Inc) | (690 V) 80 kA |
Rated Current (In) | Main Circuit 1250 A | Rated Impulse Withstand Voltage (Uimp) | 12 kV |
Rated Insulation Voltage (Ui) | 1000 V | Rated Operational Current AC-21A (Ie) | (380 ... 415 V) 1250 A (500 V) 1250 A (690 V) 1250 A |
Rated Operational Current AC-21B (Ie) | (500 V) 1250 A (690 V) 1250 A | Rated Operational Current AC-22A (Ie) | (380 ... 415 V) 1250 A |
Rated Operational Current AC-22B (Ie) | (500 V) 1250 A (690 V) 1250 A | Rated Operational Current AC-23A (Ie) | (380 ... 415 V) 1000 A |
Rated Operational Current AC-23B (Ie) | (500 V) 1000 A (690 V) 1000 A | Rated Operational Power AC-23A (Pe) | (220 ... 240 V) 315 kW (400 V) 560 kW (415 V) 560 kW (500 V) 710 kW (690 V) 1000 kW |
Rated Operational Voltage | Main Circuit 690 V AC | Rated Short-time Withstand Current Low Voltage (Icw) | for 1 s 40 kiloampere rms |
Standards | IEC 60947-3 | Switches Operating Mechanism | 04 (Left Side) |
Terminal Type | Lug terminals | Terminal Width | 50 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 | 4. Large Equipment (Any External Dimension More Than 50 cm) | Manufacturer ID | 1SCA105239R1001 |
Specifications may be subject to change without notice