Product Model
OS125GD21LRP
Selling Points
- 1Reliable Motor Protection: The OS125GD21LRP switch fuse offers world-class performance in demanding applications, ensuring reliable motor protection.
- 2Self-Cleaning Contacts: The knife contact design keeps contacts pushed firmly together before, during, and after a fault, maintaining performance without damaging the switch.
- 3Modular Design: The switch fuse features a modular design for easy and cost-efficient installation, maintenance, and use, supporting 2-, 3-, and 4-pole installations.
- 4Safety Features: Interlocking fuse covers prevent opening while the switch is in the "ON" position, reducing the risk of electric shock to authorized personnel.
- 5Versatile Installation: Adjustable shaft and mounting feet allow for various installation depths, reducing handle installation times by up to 50% and eliminating the need for special cutting tools.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Pollution Degree | 3 | Product Net Width | 242 mm |
Product Net Height | 122 mm | Product Net Depth / Length | 156 mm |
Product Net Weight | 2.9 kg | Conventional Free-air Thermal Current (Ith) | Π= 40 °C 125 A |
Conventional Thermal Current (Ithe) | Fully Enclosed 125 A | Fuse Size | NH000 NH00 |
Fuse System | DIN | Handle Type | Pistol handle and shaft 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 | 21 (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 | 1SCA120255R1001 |
Specifications may be subject to change without notice