OS800L04F
Product ID:74662
Updated: 2026/7/14
Key Features
- 1Protect motors reliably with a high-performance 800 A fuse rating.
- 2Operate and maintain easily using the front-operated mechanism.
- 3Install flexibly and reduce time with a modular design.
- 4Ensure safety with interlocking fuse covers that prevent opening when on.
- 5Meet IEC 60947-3 standards for high system reliability and safety.
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Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Pollution Degree | 3 | Product Net Width | 431 mm |
| Product Net Height | 306 mm | Product Net Depth / Length | 233 mm |
| Product Net Weight | 18.314 kg 40.38 lb | Conventional Free-air Thermal Current (Ith) | Π= 40 °C 800 A |
| Conventional Thermal Current (Ithe) | Fully Enclosed 720 A | Fourth Pole Type | Switched - Fusible Pole |
| Fuse Size | 800 A | Fuse System | Class L |
| 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 800 A | Rated Impulse Withstand Voltage (Uimp) | 12 kV |
| Rated Insulation Voltage (Ui) | 1000 V | Rated Operational Current AC-21A (Ie) | (500 V) 800 A (690 V) 800 A |
| Rated Operational Current AC-22A (Ie) | (380 ... 415 V) 800 A (500 V) 800 A (690 V) 800 A | Rated Operational Current AC-23A (Ie) | (380 ... 415 V) 800 A (500 V) 800 A (690 V) 800 A |
| Rated Operational Power AC-23A (Pe) | (220 ... 240 V) 250 kW (400 V) 450 kW (415 V) 450 kW (500 V) 560 kW (690 V) 710 kW | Rated Operational Voltage | Main Circuit 600 V AC |
| Rated Short-time Withstand Current Low Voltage (Icw) | for 1 s 18 kiloampere rms | Standards | UL98 IEC 60947-3 |
| Switches Operating Mechanism | 04 (Left Side) | Terminal Type | Lug terminals |
| Terminal Width | 39 mm | Tightening Torque | 50 ⦠75 N·m |
| Maximum Operating Voltage UL/CSA | Main Circuit 600 V AC Main Circuit 250 V DC | Ampere Rating | 800 A |
| Horsepower Rating UL/CSA | (acc. to UL 240 V) 250 Hp (acc. to UL 480 V) 500 Hp (acc. to UL 600 V) 500 Hp | 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 | 5. Small Equipment (No External Dimension More Than 50 cm) |
| Manufacturer ID | 1SCA022839R5350 |
Specifications may be subject to change without notice
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