OS1250D12-3
Product ID:74649
Updated: 2026/7/14

Key Features
- 1Handle high currents up to 1250 A with precision and reliability.
- 2Utilize a 3-pole configuration for complex electrical system connections.
- 3Ensure reliable operation in demanding 690 V AC environments.
- 4Comply with international safety standards using the DIN fuse system.
- 5Reduce downtime with an easy-to-use front operated mechanism.
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Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Product Net Weight | 26.73 kg | Fuse Size | NH4 |
| 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 | 1SCA106303R1001 |
Specifications may be subject to change without notice
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