3NW7121
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If you're unsure whether this part is a perfect match, please contact us.
| Condition | Warehouse | Stock | Price | |
|---|---|---|---|---|
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New Sealed
Full 24 months warranty Est. shipping: September 15 2026 |
WM66-3N | Enquire now | £16.50 | Add to Cart |
|
New Sealed
Full 24 months warranty Est. shipping: August 14 2026 |
WM22-3N | 5+ in stock | £26.00 | Add to Cart |
|
New Sealed
Full 24 months warranty Est. shipping: August 18 2026 |
WM59-3N | Low stock | - | Get Quote |
|
New Sealed
Full 24 months warranty Est. shipping: August 17 2026 |
WM44-3N | 10+ in stock | - | Get Quote |
|
New
Full 12 months warranty Est. shipping: August 17 2026 |
WM44-3N | 20+ in stock | - | Get Quote |
|
Used
Full 12 months warranty Est. shipping: August 17 2026 |
WM44-3N | 20+ in stock | - | Get Quote |
| Buying more than one? | Get Quote | |||
Full 12 months warranty
The Siemens 3NW7121 is a cylindrical fuse holder designed for rail mounting. It accommodates 14 x 51 mm fuses and features a 2-pole configuration. The fuse holder is rated for a nominal current of 50 A and can operate at an AC voltage of up to 690 V. It is part of the SENTRON series, suitable for use in line protection applications with cylindrical fuse links.
Siemens is a global leader in industrial automation, digitalisation, and electrification, offering products such as PLCs, drives, industrial robots, and process control systems. Known for innovation and sustainability, Siemens’ technologies enhance efficiency, safety, and performance across industries like manufacturing, energy, and healthcare.
***CJS Automation is NOT an authorised distributor of Siemens***
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