3NP1143-1DA21
Product ID:170715
Updated: 2026/7/3

Key Features
- 1Protect personnel with permanent on/off load switching for enhanced safety.
- 2Optimize low-voltage power distribution with a comprehensive, efficient portfolio.
- 3Install flexibly via floor, rail, or front panel door mounting.
- 4Handle high-current applications reliably with a 250 A rating.
- 5Ensure compliance and performance meeting IEC 60947-3 and UL standards.
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Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| DC Insulation Voltage(V) | 440 | AC Rated Voltage(V) | 690 |
| Insulation Voltage(V) | 1000 | Number of Poles | 3P |
| Description | 3NP1, Rated current 250A, Size 0/1, Surface mounting, Box terminal, 3P, Electromechanical fuse monitoring, | Fuse Monitoring | Electromechanical Fuse Monitoring |
| Mounting Type | Surface Mounting | Fuse Rating | Size: 0/1 |
| Terminal Type | Box Terminal | Rated Current In(A) | 250 |
| Specifications | 3NP114【250A】 | Lifecycle | Delivery Release (PM300) |
| Country of Origin | Germany | ECCN | 9N9999 |
| AL | N | Model Number | 3NP1143-1DA21 |
Specifications may be subject to change without notice
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