OS1250DA12-3
Product ID:74846
Updated: 2026/4/3

Key Features
- 1Safeguard equipment with 1250A high-performance protection. 2、Ensure reliable 3-pole operation against faults. 3、Integrate seamlessly using DIN rail compatibility. 4、Operate safely with the front-access mechanism. 5、Optimize layout with a modular, flexible design.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Product Net Weight | 26.725 kg | Fuse Size | NH4a |
| Fuse System | DIN | Mounting Type | Base mounting |
| Number of Poles | 3 | Operating Mode | Front Operated |
| Power Loss | at Rated Operating Conditions per Pole 75 W | Rated Operational Voltage | Main Circuit 690 V AC |
| Standards | IEC 60947-3 | Terminal Type | Lug terminals |
| Tightening Torque | 50 ... 75 N·m | Tightening Torque | 50 ... 75 N·m |
| ETIM 8 | EC001040 - Fuse switch disconnector | ETIM 9 | EC001040 - Fuse switch disconnector |
| UNSPSC | 39122233 | IDEA Granular Category Code (IGCC) | 5291 >> Fuse switch disconnector |
| WEEE Category | 5. Small Equipment (No External Dimension More Than 50 cm) | Manufacturer ID | 1SCA105771R1001 |
Specifications may be subject to change without notice
