Product Model
OS1250DA02
Selling Points
- 1Reliable Motor Protection: Designed to safeguard motors in heavy industry applications.
- 2Self-Cleaning Contacts: Maintenance-free operation ensures long electrical life.
- 3Modular Design: Easy and cost-efficient installation with adjustable shaft and snap-on accessories.
- 4Safety Features: Interlocking fuse covers prevent opening while the switch is in the "ON" position.
- 5World-Class Performance: Optimized for extreme conditions with knife contact design and high dielectric strength.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Pollution Degree | 3 | Product Net Width | 325 mm |
Product Net Height | 356 mm | Product Net Depth / Length | 294 mm |
Product Net Weight | 19.04 kg 41.98 lb | Cable Cross-Section | 2.5 ... 25 mm² |
Conventional Free-air Thermal Current (Ith) | Π= 40 °C 1250 A | Conventional Thermal Current (Ithe) | Fully Enclosed 1000 A |
Fuse Size | NH4a | Fuse System | DIN |
Handle Type | Handle and shaft not included | Mounting Type | Base mounting |
Number of Poles | 2 | 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 | 02 (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 | 5. Small Equipment (No External Dimension More Than 50 cm) | Manufacturer ID | 1SCA114058R1001 |
Specifications may be subject to change without notice