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Marvo Part ID: MV-APQ8

£56.86 (ex. VAT)


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Specification Description
Part Number 3SU1801-0NB00-2AC2
Alternative Part Number 3SU18010NB002AC2
Manufacturer Siemens
Product Type Enclosure for Command Devices
Dimensions 85 x 112.5 x 85 mm
Shape Round
Material Plastic
Colour Enclosure top part yellow, with protective collar
Control Points 1 control point plastic
Emergency Stop Function Yes, with EMERGENCY STOP mushroom pushbutton red, 40 mm, rotate-to-unlatch
Contact Configuration 1 NC (Normally Closed) contact
Terminal Type Screw terminal
Mounting Type Floor mounting
Cable Entry 1xM20 each on top and bottom
Protection Class IP66, IP67, IP69(IP69K)
NEMA Rating 1, 2, 3, 3R, 4, 4X, 12K, 13
Shock Resistance According to IEC 60068-2-27 sinusoidal half-wave 15g / 11 ms
Vibration Resistance According to IEC 60068-2-6 10 ... 500 Hz: 5g
Operating Voltage 5 ... 500 V AC/DC
Continuous Current 10 A
Ambient Temperature Operating: -25 ... +70 °C, Storage: -40 ... +80 °C
Environmental Conditions Relative air humidity of 10 ... 95%, no condensation in operation permitted behind front panel
Compliance General Product Approval, Declaration of Conformity

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.


What payment methods do you accept?

We accept card payments from all major credit, debit and Mastercard providers including Visa, American Express, Western Union, Paypal and bank transfers. Before you complete an order you will be prompted to input your payment details, at which point you can enter the relevant card information you wish to use for your transaction. If you are experiencing issues with your payment method then you can contact our team via email here. From there, you will be directed to the most relevant resource or person to help you complete your payment, get your order processed and ensure that your parts are on the way to your delivery address.


What countries can Marvo deliver to?

Marvo currently delivers to the United Kingdom (excluding Northern Ireland), the United States of America and Germany. If you cannot find your delivery address at checkout, this is most likely because Marvo does not currently deliver to this location. There are ongoing efforts to make Marvo accessible to a global market, keep your eyes peeled as our service expands to new locations. All orders are sold with a streamlined delivery process ensuring that you get your part, fast. Marvo is designed to offer you quick, easy and reliable access to critical components and uses well established global shipping services, including but not limited to DHL, UPS and FedEx.


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.


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.


How do I create an account?

Creating an account is incredibly simple and takes a matter of seconds. You can create a Marvo account at any time by clicking here and following the simple steps on screen. By creating a Marvo account you can store your contact details, delivery addresses, billing addresses and more, meaning that you can enjoy game-changing convenience faster than ever before.


Peace of mind with every purchase


Marvo Approved

A seal of quality that ensures each part is fully inspected, every time. Purchase with confidence thanks to Marvo Approved.


Full warranty

All parts are covered by a comprehensive warranty. If something goes wrong, I’ll put it right.


Priority delivery

Advanced tracking and a streamlined delivery process ensure that you get your part, fast.


Committed to you

Engineered to ensure that you always have a quick, easy and reliable place to source automation and control components.

3SU1801-0NB00-2AC2 Product Description

The Siemens 3SU1801-0NB00-2AC2 is a robust enclosure designed for command devices, offering a practical solution for housing emergency stop and emergency off functions in industrial settings. This enclosure is crafted from high-quality plastic and features a distinctive yellow top part with a protective collar, ensuring visibility and safety in various environments.

With dimensions of 85 x 112.5 x 85 mm, this enclosure is engineered to accommodate a 22 mm round command device. It is equipped with a red emergency stop mushroom pushbutton, which is 40 mm in size and includes a rotate-to-unlatch mechanism for quick and reliable operation. The unit comes with two normally closed (NC) contacts and utilises a screw terminal for secure electrical connections.

Designed to withstand challenging conditions, the enclosure boasts an impressive protection class of IP66, IP67, and IP69 (IP69K), making it resistant to dust, high-pressure water jets, and submersion. It also meets NEMA ratings 1, 2, 3, 3R, 4, 4X, 12K, and 13, ensuring durability and reliability across a range of applications.

The Siemens 3SU1801-0NB00-2AC2 is suitable for both AC and DC operating voltages, ranging from 5 to 500 V, and can handle a continuous current of 10 A for circuit breakers with a short-circuit current less than 400 A. Its vibration and shock resistance make it ideal for use in railway applications, adhering to EN 61373 Category 1, Class B standards.

This enclosure is designed for floor mounting and offers cable routing options both above and below, with 1 x M20 entry points on each side. It is a versatile and reliable choice for integrating essential safety functions into a wide array of industrial control systems.

Frequently Asked Questions

What are the dimensions of this enclosure for command devices?

The enclosure has a height of 85 mm, a width of 85 mm, and a depth of 112.5 mm, with a round installation opening.

What material is the enclosure made from?

The enclosure is constructed from a durable plastic material suitable for industrial environments.

Is this enclosure suitable for emergency stop applications?

Yes, this enclosure is designed to house an emergency stop mushroom pushbutton, making it suitable for such applications.

What is the colour of the top part of the enclosure?

The top part of the enclosure is yellow, which is typically associated with caution in industrial settings.

Does the enclosure have a protective collar?

Yes, the enclosure includes a protective collar as part of its design.

What is the IP rating of this enclosure?

The enclosure boasts an IP rating of IP66, IP67, and IP69 (IP69K), indicating a high level of protection against dust and water ingress.

Can this enclosure be mounted on the floor?

Yes, the enclosure is designed for floor mounting, providing flexibility in installation.

What type of electrical connection does the enclosure support?

The enclosure supports screw-type terminal connections for modules and accessories, with cable routing above and below.

What is the operating temperature range for this enclosure?

The enclosure can operate within an ambient temperature range of -25 to +70 degrees Celsius.

How many command points does the enclosure accommodate?

This enclosure is designed to accommodate one command point.