Siemens Fuse Switch Disconnector, 3 Pole, 250A Max Current

Subtotal (1 unit)*

£306.62

(exc. VAT)

£367.94

(inc. VAT)

Add to Basket
Select or type quantity
Temporarily out of stock
  • Shipping from 27 October 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +£306.62

*price indicative

RS Stock No.:
143-433
Mfr. Part No.:
3NP1143-1DA22
Brand:
Siemens
Find similar products by selecting one or more attributes.
Select all

Brand

Siemens

Number of Poles

3

Maximum Current

250A

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. Optimized for assembly and installation on a mounting plate, it features box terminals for secure connections. This model incorporates electronic fuse monitoring EFM10 for enhanced safety and performance, while its cover level of 70 mm provides effective protection, making it suitable for a variety of electrical applications.

Sealable
Extension auxiliary switch
Locking capability
Phase failure monitoring
Overvoltage protection monitoring

Related links