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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3NP1123-1CA20 |
| Alternative Part Number | 3NP11231CA20 |
| Manufacturer | Siemens |
| Type | Fuse Switch Disconnector |
| Short Circuit Current Rating | 120 kA |
| Voltage Rating | 690 V |
| Current Rating | 160 A |
| Mounting Type | Floor Mount |
| Height | 88.8 mm |
| Width | 74.1 mm |
| Depth | 141.7 mm |
| Net Weight | 0.47 kg |
| Ambient Operating Temperature (Min) | -25 °C |
| Ambient Operating Temperature (Max) | 55 °C |
| Ambient Storage Temperature (Min) | -50 °C |
| Ambient Storage Temperature (Max) | 80 °C |
| Connectable Conductor Cross-Section | Min: 1.5 mm², Max: 50 mm² (single or multi-stranded), Min: 1.5 mm², Max: 35 mm² (finely stranded) |
| Tightening Torque | Min: 3.5 N·m, Max: 4 N·m |
| Type of Connection | Box terminal |
| Product Approvals | General Product Approval, Declaration of Conformity |
| Commodity Code | 8536100040 |
The Siemens 3NP1123-1CA20 is a robust and reliable fuse switch disconnector designed to offer efficient and safe disconnection and protection for electrical circuits. This three-pole device is compatible with NH000 size fuses and is rated for a substantial 160 A operational current, making it suitable for a wide range of industrial applications. With a rated insulation voltage of 690 V and the ability to handle short-circuit currents up to 120 kA, it ensures a high level of protection for electrical equipment.
The unit is designed for floor mounting and features a box terminal connection system, with a cover level of 45 mm, providing a secure and durable installation. The 3NP1123-1CA20 is crafted to withstand demanding conditions, with an operational temperature range from -25 °C to +55 °C, ensuring reliable performance in various environments.
This fuse switch disconnector is also equipped with an interlock feature, enhancing safety by preventing accidental or unauthorized operation. It is sealable, which allows for secure and tamper-proof use, and it supports auxiliary switches for additional functionality.
The 3NP1123-1CA20 is a testament to Siemens' commitment to quality and safety in electrical control and distribution. Its robust design and comprehensive features make it an excellent choice for those seeking a dependable solution for circuit protection and isolation.
Commonly Asked Questions
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Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.
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Read more...Is Marvo a credible parts supplier?
Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.
Read more...Have steps been taken to ensure quality control?
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Our service to you
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Frequently Asked Questions
What is the rated operational voltage for this fuse switch disconnector?
The rated operational voltage for the Siemens fuse switch disconnector is 690 V.
Can this device be used as a main switch?
No, the Siemens fuse switch disconnector is not suitable for use as a main switch.
What is the short circuit current rating of this device?
The short circuit current rating for this device is 120 kA.
What are the mounting options for this fuse switch disconnector?
This fuse switch disconnector is designed for floor mounting.
What is the ambient temperature range for operating this device?
The ambient temperature range for operating this device is from -25 °C to 55 °C.
Is this device suitable for use as a safety switch?
Yes, the Siemens fuse switch disconnector is suitable for use as a safety switch.
What are the dimensions of this fuse switch disconnector?
The dimensions of the Siemens fuse switch disconnector are 88.8 mm x 74.1 mm x 141.7 mm.
Can this device be locked for safety purposes?
Yes, the Siemens fuse switch disconnector has a feature that allows it to be locked for safety purposes.
What type of fuses is compatible with this disconnector?
This disconnector is compatible with NH fuses, but the exact size should be determined based on the specific requirements of the application.
Does this fuse switch disconnector have a trip indicator?
No, this model does not come with a trip indicator.
Part conditions explained
We want your buying experience to be as seamless as possible. So, here are all of the product descriptions you will see when browsing Marvo, explained a little further:
New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.
New sealed: The product is sealed in its original packaging. It has never been opened or used, ensuring that it's in an untouched state.
New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.
Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.
Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.
