3NP1143-1BC22
Product ID:198284
Updated: 2026/7/3

Key Features
- 1Safeguard installations with high-quality line protection against short circuits.
- 2Utilize a compact design ideal for space-limited applications.
- 3Enhance safety with advanced EFM 10 electronic monitoring.
- 4Install flexibly for floor mounting and 40/60 mm busbar systems.
- 5Expand functionality with a comprehensive range of accessories.
Need a quote? Enter your quantity and get pricing fast.
Qty
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, 60mm busbar system, box terminal, 3P, electronic EFM10 fuse monitoring, 32/70mm cover with contact protection, suitable for busbar and Rittal systems without base | Others: | 32/70mm cover with contact protection, suitable for busbar and Rittal systems without base |
| Fuse Monitoring: | Electronic EFM10 Fuse Monitoring | Installation Type: | 60mm Busbar System |
| Fuse Specification: | Size: 0/1 | Terminal Type: | Box Terminal |
| Rated Current In(A): | 250 | Specification: | 3NP114【250A】 |
| Lifecycle | Delivery Release (PM300) | Country of Origin | Germany |
| ECCN | 9N9999 | AL | N |
| Model Number | 3NP1143-1BC22 |
Specifications may be subject to change without notice
Still deciding on 3NP1143-1BC22?
Our engineers can confirm stock, price, and lead time for this Siemens part.
Get a no-obligation quote in 1 minute.
