Siemens Fuse Switch Disconnector, 3-Pole

Subtotal (1 unit)*

£355.14

(exc. VAT)

£426.17

(inc. VAT)

Add to Basket
Select or type quantity
Stocked by manufacturer
  • Ready to ship from 08 June 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +£355.14

*price indicative

RS Stock No.:
143-426
Mfr. Part No.:
3NP1143-1BC24
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

Mount Type

DIN Rail

Terminal Type

Box

Series

SENTRON

IP Rating

IP40, IP30, IP20

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 reliable 3 pole device designed for NH1 fuse types, rated at 250 A. Specifically optimized for the 60 mm 8US busbar system, it features box terminals for secure connections. This model includes electronic fuse monitoring EFM15 for enhanced safety, and its cover level of 32/70 mm ensures effective protection, making it suitable for a variety of electrical applications.

Sealable

Extension auxiliary switch

Locking capability

Overvoltage protection monitoring

Related links