3NP1143-1BC12

Product ID:141369
Updated: 2026/4/5
Siemens 3NP1143-1BC12

Key Features

  • 1Handle up to 250 A for reliable power distribution. 2、Monitor and protect circuits with electronic EFM10 technology. 3、Fit efficiently into 60 mm busbar systems to save space. 4、Enhance safety with a robust 32/70 mm cover level. 5、Connect easily using flat terminals and versatile mounts.
Product Details
3NP1143-1BC12
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
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, flat connection, 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
Mounting Type
60mm Busbar System
Fuse Rating
Size: 0/1
Terminal Type
Flat Connection
Rated Current In(A)
250
Specifications
3NP114【250A】
Lifecycle
Delivery Release (PM300)
Country of Origin
Germany
ECCN
9N9999
AL
N
Model Number
3NP1143-1BC12

Specifications may be subject to change without notice