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Siemens Fuse Switch Disconnector, 3-Pole

View all Fuse Switch Disconnectors

Subtotal (1 unit)*

£392.67

(exc. VAT)

£471.20

(inc. VAT)

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  • Ready to ship from 04 August 2026
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1 +£392.67

*price indicative

RS Stock No.:
143-440
Mfr. Part No.:
3NP1143-1JC21
Brand:
Siemens
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Brand

Siemens

Product Type

Fuse Switch Disconnector

Number of Poles

3

Enclosed/Not Enclosed

Not Enclosed

Terminal Type

Box

Series

SENTRON

IP Rating

IP20, IP30, IP40

Minimum Operating Temperature

-25°C

Mechanical Fuse Size

NH0-NH1

Maximum Operating Temperature

55°C

Standards/Approvals

IEC 81346-2 Q

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 Rittal busbar system of 60 mm, it features box terminals for secure connections. This model includes electromechanical fuse monitoring for enhanced safety.

Sealable

Extension auxiliary switch

Locking capability

Overvoltage protection monitoring

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