Siemens Fuse Switch Disconnector, 1-Pole

View all Fuse Switch Disconnectors

Subtotal (1 unit)*

£91.58

(exc. VAT)

£109.90

(inc. VAT)

Add to Basket
Select or type quantity
Stocked by manufacturer
  • Ready to ship from 15 May 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +£91.58

*price indicative

RS Stock No.:
143-412
Mfr. Part No.:
3NP1141-1DA20
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

Terminal Type

Box

Series

SENTRON

IP Rating

IP40

Minimum Operating Temperature

-25°C

Mechanical Fuse Size

NH0-NH1

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 reliable 1 pole device designed for NH1 fuse types, rated at 250 A. Optimized for assembly and installation on a mounting plate, it features box terminals for secure connections. With a cover level of 70 mm, this model provides effective protection, making it suitable for various electrical applications.

Sealable

Extension auxiliary switch

Locking capability

Fuse monitoring

Related links