Product Model
OS125GB12LR
Selling Points
- 1Reliable Motor Protection: The OS125GB12LR switch fuse is the optimal solution for motor protection, ensuring reliable operation even in extreme conditions.
- 2Self-Cleaning Contacts: The knife contact design keeps contacts pushed firmly together before, during, and after a fault, maintaining performance without damage.
- 3Modular Design: The switch fuse features a modular design for easy and cost-efficient installation, maintenance, and use, suitable for 2-, 3-, and 4-pole installations.
- 4Time-Saving Accessories: The adjustable shaft and mounting feet reduce installation time by up to 50%, along with snap-on auxiliary contacts and terminal shrouds.
- 5Enhanced Safety: Interlocking fuse covers prevent opening while the switch is in the "ON" position, ensuring safety for authorized personnel and reducing the risk of electric shock.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Pollution Degree | 3 | Product Net Width | 141 mm |
Product Net Height | 242 mm | Product Net Depth / Length | 122 mm |
Product Net Weight | 2.1 kg | Conventional Free-air Thermal Current (Ith) | Π= 40 °C 125 A |
Conventional Thermal Current (Ithe) | Fully Enclosed 125 A | Fuse Size | A2-A4 |
Fuse System | British Standard | 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 | Left In - Right Out | Power Loss | at Rated Operating Conditions per Pole 12 W |
Rated Conditional Short-Circuit Current (Inc) | (690 V) 80 kA | Rated Current (In) | Main Circuit 125 A |
Rated Impulse Withstand Voltage (Uimp) | 8 kV | Rated Insulation Voltage (Ui) | 1000 V |
Rated Operational Current AC-21A (Ie) | (500 V) 125 A (690 V) 125 A | Rated Operational Current AC-22A (Ie) | (500 V) 125 A (690 V) 125 A |
Rated Operational Current AC-23A (Ie) | (500 V) 125 A (690 V) 125 A | Rated Operational Power AC-23A (Pe) | (220 ... 240 V) 37 kW (400 V) 55 kW (415 V) 55 kW (500 V) 75 kW (690 V) 110 kW |
Rated Operational Voltage | Main Circuit 690 V AC | Rated Short-time Withstand Current Low Voltage (Icw) | for 1 s 5 kiloampere rms |
Standards | IEC 60947-3 | Switches Operating Mechanism | 12 (Between the Poles) |
Terminal Type | Lug terminals | Terminal Width | 20 mm |
Tightening Torque | 15 ⦠22 N·m | Tightening Torque | 15 ⦠22 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 | 1SCA120257R1001 |
Specifications may be subject to change without notice