Image shown may not reflect the final product

Siemens 3RG7857-1BD

Wrong part? Click here

Sold out

This part is currently sold out

Please check back soon.

Back to home Create an account

Image shown may not reflect the final product

Marvo Stock ID MV-1R9A

HS Code 85389091

SKU 3RG7857-1BD

Warranty 12 months

Weight (kg) 4.00

Length (mm) 320.00

Width (mm) 250.00

Height (mm) 250.00

This part is currently sold out

Please check back soon.

Back to home Create an account

Returns Hassle-free returns

Thumbs up No hidden fees or duties

Shipping Swift dispatch and delivery

Similar Products

6SE6020-1BF00

£1,315.57 (ex. VAT)

S56ES54824UA20

£506.94 (ex. VAT)

More about this product

Specification & Description

View now

Commonly Asked Questions

View now

Customer Reviews

View now

Specification & Description

Specification	Description
Part Number	3RG7857-1BD
Alternative Part Number	3RG78571BD
Manufacturer	Siemens
Dimensions	102 x 22.5 x 120 mm
Type	Switching Strip Evaluation Unit
Output	2 Normally Open (NO) contacts
Protection Class	IP 67
Operating Temperature Range	+5 °C – +55 °C
Operating Speed	min. 10 mm/s - max. see details
Signaling Element Length	min. 0.4 m – max. 10.0 m
Signaling Cable Length	max. 200 m
Tolerable Weight	max. 500 N (on the entire signalling element)
Fitting Position	Any alignment
Mounting	Head or countersunk screws (∅: 3 mm – 6 mm), approx. every 70 cm
Profile Hardness	60 shore A
Profile Height	30 mm
Profile Width	25 mm
ALU-C Profile Weight	0.3 kg/m
Detection of Fingers	Yes
Dead Surface Region	70 mm
Maximum Operating Speed	100 mm/s

The Siemens 3RG7857 Series Switching Strip Evaluation Unit is a compact and reliable solution designed for the evaluation of safety edges in various industrial applications. With dimensions of 102 x 22.5 x 120 mm, this unit is engineered to fit seamlessly into control panels, offering a space-saving installation.

This evaluation unit is part of the safety edges relay category, featuring a slim 22.5mm profile and equipped with 2 normally open (NO) contacts. It is specifically tailored to work in conjunction with safety edge sensors, providing a critical component in the safety systems that protect personnel and equipment from potential hazards.

The 3RG7857-1BD model is crafted to ensure high operational reliability and is suitable for a wide range of industrial safety applications. Its robust design is capable of withstanding the demanding conditions of industrial environments, making it a valuable addition to any safety system.

This unit is designed for ease of use, with straightforward mounting instructions and a user-friendly interface. It is compatible with a variety of safety edge sensors, allowing for flexibility in system design and ensuring that it can meet the specific needs of your application.

The Siemens 3RG7857 Series Switching Strip Evaluation Unit is a testament to Siemens' commitment to safety and innovation in industrial automation. It is an essential component for any operation looking to enhance safety measures and ensure compliance with industry standards.

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.

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

Andreas Boehm

‘Excellent service. The right gear and the right price,well packed and delivered on time.’

Milan Kosík

‘Large selection of spare parts, fast delivery.’

Irene

‘Fast delivery and prompt action.’

Nathalie Jolicoeur

‘Great service. Thank you.’

Muswalin

‘Good packing, quickly delivery and responsible.’

Ms. Mia

‘Quick response, good item, delivery on schedule.’

Anna

‘I can recommend quick, efficient, and professional.’

Thomas Roland Geaughan

‘Prompt and expert service. Ease of access to find the parts I needed.’

Milan Kosík

‘Large selection of spare parts, fast delivery.’

Kayden

‘Services is great.’

Andreas Boehm

‘Excellent service. The right gear and the right price,well packed and delivered on time.’

Milan Kosík

‘Large selection of spare parts, fast delivery.’

Advance Lifts

‘Great customer service , we needed some assistance quickly and received it.’

Learn more about Marvo

Our service to you

Lightning-Fast Express Shipping: Receive your order in record time with our express shipping options, ensuring you minimize downtime and keep your projects on track.

No-Risk Returns, Guaranteed: Return your parts anytime for a full refund. Our hassle-free return policy ensures you’re never stuck with something you don’t need.

Clear Pricing with No Hidden Fees: What you see is what you pay, transparent pricing with no extra costs, ever. Rest assured, all taxes and fees are already included in your final price.

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 function of the Switching Strip Evaluation Unit?

The Switching Strip Evaluation Unit is designed to analyse signals from safety edges installed in various protective equipment. It ensures that when a safety edge is actuated, indicating a potential hazard or obstruction, the unit responds by opening the release circuits to initiate a safety response, such as stopping machinery.

Can the unit be used in outdoor environments?

The unit is built to be robust and can handle various environmental conditions. However, it's important to ensure that the installation follows the manufacturer's guidelines to maintain its integrity in outdoor settings.

What are the dimensions of the unit?

The dimensions of the unit are 102 x 22.5 x 120 mm, making it compact and suitable for integration into a variety of systems where space may be limited.

How is the unit mounted?

The unit is designed for easy mounting and can be installed using standard tools. It should be securely attached to a stable surface to ensure reliable operation.

What type of outputs does the unit provide?

The unit provides 2 Normally Open (NO) relay outputs, which are used to connect to the control system of the machinery or equipment it is safeguarding.

Is there a specific operating temperature range for the unit?

Yes, the unit is designed to operate effectively within a temperature range, which is typically specified in the product documentation. It's important to operate the unit within these limits to ensure its reliability and longevity.

What type of maintenance is required for the unit?

The unit requires minimal maintenance, but it's recommended to periodically check the connections and the overall condition of the unit as part of regular equipment maintenance schedules.

Can the unit be used with different types of safety edges?

Yes, the unit is compatible with a range of safety edges, but it's important to ensure that the safety edges used are compatible with the unit's specifications for optimal performance.

What should be done if the unit is not responding correctly?

If the unit is not functioning as expected, it's important to first check the connections and ensure that the safety edges are properly installed. If issues persist, consulting the product documentation or seeking technical advice may be necessary.

Are there any specific certifications or standards the unit complies with?

The unit is designed to comply with relevant industry standards and certifications, which ensure its suitability for safety applications. The exact standards can be found in the product documentation.

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.

The Smart Part

Factories implementing AI-driven systems, highlighting the benefits of investing in artificial intelligence.## Should You Be Investing in Artificial Intelligence?

Should you be investing in artificial intelligence?

Marvo

Just a few years back, investing in AI only existed in the realm of science fiction. It was a futuristic technology that could be found solely in books or in Hollywood films. Fast forward to todays world and AI is rapidly becoming an integral part of our daily lives. It is reshaping how we work, communicate and solve complex problems.

4 min read

December 13, 2024

The top 10 ways to improve your supply chain strategy

10 advanced techniques to improve your supply chain strategy

Marvo

A robust supply chain strategy is crucial in today’s interconnected and rapidly evolving global economy. Problems that businesses face include shifting consumer preferences, interruptions in supply, and an increasing focus on sustainability. This article delves into ten cutting-edge methods, in order to keep supply chain tactics robust, efficient, and competitive.

7 min read

November 22, 2024

What is supply chain optimisation?

Marvo

Supply chain optimisation is the key to navigating today's rapidly evolving manufacturing landscape. By improving their operations and logistics, businesses can reach greater levels of efficiency. This refinement also leads to strategic agility. As a result, companies position themselves to adapt to new challenges and seize opportunities.

6 min read

November 1, 2024

See all articles