The Siemens 3NP1123-1CA20 SENTRON Fuse Switch Disconnector is a high-performance low-voltage switching and protection device designed for safe circuit isolation and reliable power distribution. Part of the renowned SENTRON 3NP1 Series, the 3NP1123-1CA20 combines switching, isolation, and fuse protection functions in a compact, robust design suitable for industrial, commercial, and infrastructure applications.
This model features a 3-pole configuration, 160A rated current, and compatibility with NH000 fuse links. Designed for assembly and installation on a mounting plate, it incorporates box terminal connections and a 45 mm cover level, making it an ideal solution for switchgear assemblies, distribution panels, motor control centers, and OEM electrical systems. It is supplied without fuse monitoring, providing a cost-effective and dependable protection solution.
Available through SB Smart, the Siemens 3NP1123-1CA20 is engineered to deliver operational safety, easy maintenance, and long-term reliability in demanding electrical environments.
The 3NP1123-1CA20 enables safe switching and isolation of electrical circuits during maintenance, servicing, and emergency shutdown procedures. When used with suitable NH000 HRC fuse links, it provides reliable overload and short-circuit protection while ensuring personnel safety and equipment protection.
Its mounting plate design allows flexible installation in switchboards and distribution systems, while the box terminal connection technology ensures secure cable termination and dependable electrical performance. The SENTRON 3NP1 design also supports high packing density within switchboards, helping optimize panel space utilization.
Manufactured according to Siemens' stringent quality standards, the 3NP1123-1CA20 Fuse Switch Disconnector is built to withstand demanding industrial operating conditions.
Key technical highlights include:
These features make the device ideal for critical power distribution and protection applications.
The Siemens 3NP1123-1CA20 is suitable for:
At SB Smart, we supply genuine Siemens electrical products, switchgear solutions, industrial automation components, and power distribution equipment. The Siemens 3NP1123-1CA20 SENTRON Fuse Switch Disconnector delivers reliable switching performance, safe circuit isolation, and long-term operational reliability for critical low-voltage installations.
Whether you are designing a new switchboard, upgrading power distribution infrastructure, or replacing an existing fuse switch disconnector, the 3NP1123-1CA20 offers the safety, performance, and durability expected from Siemens SENTRON products.
| Specification | Details |
|---|---|
| Product Name | Fuse Switch Disconnector |
| Manufacturer | Siemens |
| Product Series | SENTRON 3NP1 |
| Model Number | 3NP1123-1CA20 |
| Number of Poles | 3 Pole |
| Rated Current | 160A |
| Fuse Compatibility | NH000 |
| Rated Insulation Voltage | 690V AC |
| Conditional Short-Circuit Current | 80kA |
| Terminal Type | Box Terminal |
| Installation Type | Mounting Plate |
| Fuse Monitoring | No |
| Cover Level | 45 mm |
| Mechanical Life | Approx. 2,000 Operations |
| Degree of Protection | Up to IP40 |
| Brand | Siemens |
| Condition | New & Genuine Product |
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