3NP1143-1DA20

Product ID:181846
Updated: 2026/4/5
Siemens 3NP1143-1DA20

Key Features

  • 1Provide robust 250A electrical protection against faults. 2、Install easily on mounting plates and box terminals. 3、Save space with a compact 70mm cover level design. 4、Ensure reliable operation with a 3-pole configuration. 5、Meet stringent industry safety and compliance standards.
Product Details
3NP1143-1DA20
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, surface mounting, box terminal, 3P
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
3NP1143-1DA20

Specifications may be subject to change without notice