Siemens Fuse Switch Disconnector, 3-Pole, 250A
- RS Stock No.:
- 143-434
- Mfr. Part No.:
- 3NP1143-1DA23
- Brand:
- Siemens
Subtotal (1 unit)*
£362.06
(exc. VAT)
£434.47
(inc. VAT)
FREE delivery for orders over £60.00
Stocked by manufacturer
- Ready to ship from 18 June 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | £362.06 |
*price indicative
- RS Stock No.:
- 143-434
- Mfr. Part No.:
- 3NP1143-1DA23
- Brand:
- Siemens
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Siemens | |
| Product Type | Fuse Switch Disconnector | |
| Number of Poles | 3 | |
| Enclosed/Not Enclosed | Not Enclosed | |
| Mount Type | Floor | |
| Electrical Phase | 3 | |
| Switching Voltage | 690V | |
| Switching Current | 250A | |
| Terminal Type | Clamp Terminal | |
| IP Rating | IP40, IP30, IP20 | |
| Mechanical Fuse Size | NH0-NH1 | |
| Minimum Operating Temperature | -25°C | |
| Maximum Operating Temperature | 55°C | |
| Standards/Approvals | UKCA, CE, EAC, RoHS | |
| Select all | ||
|---|---|---|
Brand Siemens | ||
Product Type Fuse Switch Disconnector | ||
Number of Poles 3 | ||
Enclosed/Not Enclosed Not Enclosed | ||
Mount Type Floor | ||
Electrical Phase 3 | ||
Switching Voltage 690V | ||
Switching Current 250A | ||
Terminal Type Clamp Terminal | ||
IP Rating IP40, IP30, IP20 | ||
Mechanical Fuse Size NH0-NH1 | ||
Minimum Operating Temperature -25°C | ||
Maximum Operating Temperature 55°C | ||
Standards/Approvals UKCA, CE, EAC, RoHS | ||
- COO (Country of Origin):
- TR
The Siemens 3NP1 Fuse Switch Disconnector is a reliable 3 pole device designed for NH1 fuse types, rated at 250 A. Tailored for assembly and installation on a mounting plate, it features box terminals for secure connections. This model incorporates electronic fuse monitoring EFM20 for enhanced safety and operational efficiency, while its cover level of 70 mm ensures effective protection, making it suitable for a wide range of electrical applications.
Sealable
Extension auxiliary switch
Locking capability
Overvoltage protection monitoring