Siemens Fuse Switch Disconnector, 1-Pole

View all Fuse Switch Disconnectors

Subtotal (1 unit)*

£134.09

(exc. VAT)

£160.91

(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 +£134.09

*price indicative

RS Stock No.:
143-645
Mfr. Part No.:
3NP1151-1DA20
Brand:
Siemens
Find similar products by selecting one or more attributes.
Select all

Brand

Siemens

Product Type

Fuse Switch Disconnector

Number of Poles

1

Enclosed/Not Enclosed

Not Enclosed

Mount Type

Plate

Terminal Type

Box

IP Rating

IP30, IP40, IP20

Series

SENTRON

Mechanical Fuse Size

NH1-NH2

Minimum Operating Temperature

-25°C

Maximum Operating Temperature

55°C

Standards/Approvals

CCC, CE, DNV, EAC, UKCA

COO (Country of Origin):
CZ
The Siemens 3NP1 fuse switch disconnector is a 1 pole device rated for 400 A, intended for assembly and installation on a mounting plate. It comes with a box terminal and a cover height of 70 mm, offering robust circuit protection for a variety of electrical applications.

Sealable

Extension auxiliary switch

Locking capability

Fuse monitoring

Related links