Siemens Fuse Switch Disconnector, 3-Pole

Subtotal (1 unit)*

£236.28

(exc. VAT)

£283.54

(inc. VAT)

Add to Basket
Select or type quantity
Stocked by manufacturer
  • Ready to ship from 13 May 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +£236.28

*price indicative

RS Stock No.:
143-430
Mfr. Part No.:
3NP1143-1DA14
Brand:
Siemens
Find similar products by selecting one or more attributes.
Select all

Brand

Siemens

Product Type

Fuse Switch Disconnector

Number of Poles

3

Enclosed/Not Enclosed

Not Enclosed

Terminal Type

Flat Terminal

IP Rating

IP40, IP30, IP20

Series

SENTRON

Minimum Operating Temperature

-25°C

Mechanical Fuse Size

NH0-NH1

Maximum Operating Temperature

55°C

Standards/Approvals

UKCA, EAC, DNV, CE, CCC

COO (Country of Origin):
CZ
The Siemens 3NP1 Fuse Switch Disconnector is a robust 3 pole device designed for NH1 fuse types, rated at 250 A. Optimized for assembly and installation on a mounting plate, it features flat terminals for easy connections. This model includes electronic fuse monitoring EFM15 for enhanced safety and efficiency, and its cover level of 70 mm provides effective protection, making it suitable for a variety of electrical applications.

Sealable

Extension auxiliary switch

Locking capability

Overvoltage protection monitoring

Related links