Subtotal (1 unit)*
£33.94
(exc. VAT)
£40.73
(inc. VAT)
FREE delivery for orders over £60.00
In Stock
- Plus 1 unit(s) shipping from 04 May 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | £33.94 |
*price indicative
- RS Stock No.:
- 143-690
- Mfr. Part No.:
- 3NP1900-1HA00
- 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 | |
| Accessory Type | Padlock Device | |
| Product Type | Switch Disconnector Accessory | |
| Series | 3NP1 | |
| Colour | Black | |
| Number of Poles | 3 | |
| Select all | ||
|---|---|---|
Brand Siemens | ||
Accessory Type Padlock Device | ||
Product Type Switch Disconnector Accessory | ||
Series 3NP1 | ||
Colour Black | ||
Number of Poles 3 | ||
The Siemens Mechanical locking device is an accessory designed for the 3NP1 fuse switch disconnector, providing enhanced safety through interlocking mechanisms. This package contains 10 units, ensuring reliable operation and preventing unauthorized access or accidental disconnection, making it ideal for secure electrical installations.
CE and UKCA approved
UL and EAC approved