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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3SU1851-0NA00-2AC2 |
| Alternative Part Number | 3SU18510NA002AC2 |
| Part Manufacturer | Siemens |
| Enclosure Type | Enclosure for command devices |
| Mounting Type | Base mounting |
| Shape | Round |
| Material | Metal |
| Colour of Enclosure Top Part | Yellow |
| Protective Collar | Included |
| Number of Command Points | 1 |
| Actuator Type | Emergency stop mushroom pushbutton |
| Actuator Colour | Red |
| Actuator Size | 40 mm |
| Unlocking Mechanism | Rotate to unlatch |
| Contact Configuration | 1 Normally Closed (NC) contact |
| Terminal Type | Screw terminal |
| Cable Entry | Top and bottom 1 x M20 each |
| Protection Class IP | IP66, IP67, IP69(IP69K) |
| Shock Resistance | Sinusoidal half-wave 50 g / 11 ms |
| Vibration Resistance | 10 ... 500 Hz: 5g |
| Operating Voltage (AC) | 5 ... 500 V at 50 Hz and 60 Hz |
| Operating Voltage (DC) | 5 ... 500 V |
| Ambient Temperature Range | -25 ... +70 °C during operation, -40 ... +80 °C during storage |
| Environmental Conditions | Suitable for various conditions including relative air humidity of 10 ... 95% (non-condensing) |
| Compliance | General Product Approval, Declaration of Conformity |
| Dimensions (H x W x D) | 89.4 mm x 85 mm x 112.5 mm |
| Installation Opening Shape | Round |
The Siemens 3SU1851-0NA00-2AC2 is a robust enclosure designed for command devices with a 22 mm diameter, featuring a round form factor for seamless integration into various control systems. Crafted from durable metal, the enclosure's top part is finished in a striking yellow, signalling its importance and function within an assembly. It comes equipped with a protective collar, enhancing its safety profile.
This enclosure houses a single command point, which includes a metal emergency stop mushroom pushbutton, coloured in a vivid red for quick identification. The button measures 40 mm and utilises a rotate-to-unlatch mechanism, ensuring a reliable and intuitive emergency stop action. The unit is designed for base mounting and offers convenient cable routing with 1 x M20 entry points at both the top and bottom.
Internally, the enclosure features a single normally closed (NC) contact, with connections made via a screw terminal for secure and reliable wiring. The design prioritises safety and functionality, with a positive opening operation, and is capable of serving as an emergency off switch. It boasts an impressive protection class of IP66, IP67, and IP69 (IP69K), indicating a high level of protection against dust, water, and other environmental factors.
The Siemens 3SU1851-0NA00-2AC2 is a testament to the brand's commitment to quality, offering a combination of safety, durability, and ease of use, making it an ideal choice for a wide range of industrial applications where reliable command and signalling are paramount.
Commonly Asked Questions
Is my order covered by a warranty?
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?
Marvo takes pride in product quality and has put several measures in place to assure high levels of quality standards. For your peace of mind, all parts have been ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. Redefine convenience and secure priority delivery on all parts along with a comprehensive 12-month warranty. This is the smart new way to buy automation and control components.
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Read more...Peace of mind with every purchase
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Our service to you
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Rock-Solid Reliability at a Fraction of the Cost: Get pre-owned electronic parts that are fully tested for peak performance, saving you money without compromising on quality, backed by a comprehensive warranty.
Frequently Asked Questions
What is the enclosure material for this command device?
The enclosure material for this command device is metal, providing a robust and durable housing for the command unit.
What colour is the top part of the enclosure?
The top part of the enclosure is yellow, which is typically used to indicate caution and is often associated with emergency stop functions.
Does this enclosure have an emergency stop function?
Yes, the enclosure includes an emergency stop function with a red mushroom pushbutton that is rotated to unlatch.
What is the ingress protection rating of this enclosure?
This enclosure has an ingress protection rating of IP66, IP67, and IP69K, indicating a high level of protection against dust, water, and high-pressure water jets.
Can this enclosure be used with an emergency off switch?
Yes, the design of the operating mechanism allows for use as an emergency off switch.
What type of terminals does this enclosure use for electrical connections?
This enclosure utilises screw-type terminals for secure and reliable electrical connections.
What is the mounting type for this enclosure?
The enclosure is designed for vertical base mounting, making it suitable for a variety of industrial applications.
What are the dimensions of this enclosure?
The enclosure has a height of 89.4 mm, a width of 85 mm, and a depth of 112.5 mm.
Does this product have a positive opening feature?
Yes, the 3SU1851-0NA00-2AC2 features a positive opening operation for safety and reliability in its emergency stop function.
What is the maximum operating voltage for this enclosure?
The maximum operating voltage for this enclosure is 500 V for both AC and DC applications.
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.
