OS1200L04N2P
Product ID:74912
Updated: 2026/4/3
Key Features
- 1Protect motors with a robust 1200A amperage rating. 2、Operate easily via the front-mounted handle and shaft design. 3、Meet high standards with Class L safety and reliability specifications. 4、Clear faults rapidly using the solid link fuse for maintained protection. 5、Install versatilely in heavy industry applications near transformers.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Pollution Degree | 3 | Product Net Width | 539 mm |
| Product Net Height | 426 mm | Product Net Depth / Length | 294 mm |
| Product Net Weight | 40.025 kg 88.24 lb | Conventional Free-air Thermal Current (Ith) | Π= 40 °C 1250 A |
| Conventional Thermal Current (Ithe) | Fully Enclosed 1000 A | Fourth Pole Position | Right Side |
| Fourth Pole Type | Switched - With Solid Link | Fuse Size | 1200 A |
| Fuse System | Class L | Handle Type | Pistol handle and shaft 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 1200 A |
| Rated Impulse Withstand Voltage (Uimp) | 12 kV | Rated Insulation Voltage (Ui) | 1000 V |
| 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 600 V AC | Rated Short-time Withstand Current Low Voltage (Icw) | for 1 s 40 kiloampere rms |
| Standards | UL98 IEC 60947-3 | Switches Operating Mechanism | 04 (Left Side) |
| Terminal Type | Lug terminals | Terminal Width | 50 mm |
| Tightening Torque | 50 ... 75 N·m | Ampere Rating | 1200 A |
| Tightening Torque | 50 ... 75 N·m | Tightening Torque UL/CSA | Wire-Clamp 500 in·lb Cable Lug 480 in·lb |
| 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 | 1SCA105463R1001 |
Specifications may be subject to change without notice