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6ES7921-5CH20-0AA0

£68.53 (ex. VAT)

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6ES7921-5CH20-0AA0

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Marvo Stock ID MV-BF9C
HS Code 85366990
SKU 6ES7921-5CH20-0AA0
Condition New sealed
Warranty 12 months

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Specification & Description

Specification Description
Part Number 6ES7921-5CH20-0AA0
Alternative Part Number 6ES79215CH200AA0
Manufacturer Siemens
Product Type Front Connector Module
Suitable For Digital 32 I/O Modules of the S7-1500
Operating Voltage (DC) Rated value: 24 V, Maximum: 60 V
Continuous Current Per Plug-in Contact Maximum: 1 A
Total Current Maximum: 2 A (for mounting position horizontal)
Operating Temperature 0 to 60 °C
Ambient Temperature (Storage) -40 to +70 °C
Number of Poles 40 (of the front connector)
Electrical Connection Type Plug-in connection
Number of Plug Contacts 1
Interface Poles 50 (IDC connector for the connection cable)
Terminal Position At the top
Power Supply Connection Push-In terminal
Number of Terminals 4 (4 x 1 x L+)
Screwdriver Blade Width 3.5 mm
Cable Connection 2 cables per connection; combination of 1 or 2 wires
Wire Stripping Length 8 mm
Connectable Conductor Cross-sections Flexible: 0.25 to 1.5 mm²; Stranded: 0.5 to 1.5 mm²
Wire End Sleeve Type According to DIN 46228-1 (without plastic sleeve), DIN 46228-4 (with plastic sleeve)
Maximum Wire Length 30 m (between front connector module and terminal module)
Mounting Type Direct mounting
Degree of Pollution 2
Overvoltage Category 2
cULus Approval Yes
Material of Insulating Body Other
Enclosure Colour Black
Net Weight 0.099 kg

The Siemens 6ES7921-5CH20-0AA0 is a high-quality front connector module designed for seamless integration with digital 32 I/O modules of the S7-1500 series. This robust component features a 50-pole IDC connector, ensuring reliable and efficient connections within your automation system. Engineered for optimal performance, the module supports an operating voltage of 24V DC with a maximum of 60V DC, and can handle a continuous current of up to 1A per plug-in contact, with a total current capacity of 2A for horizontally mounted positions.

Constructed to withstand the demands of industrial environments, the 6ES7921-5CH20-0AA0 operates effectively within a temperature range of 0 to 60°C and can be stored at temperatures ranging from -40 to +70°C. The front connector is equipped with 40 poles, and the module is designed to be a direct replacement for the S7-1500 40 pole variant, ensuring compatibility and ease of use.

The module's push-in terminal design simplifies the power supply connection process, and it can accommodate a variety of conductor cross-sections, from solid to finely stranded wires, with or without core end processing. The recommended wire stripping length is 8mm, and the maximum wire length for connection is 30m, providing flexibility in system configuration.

With a direct mounting type, a pollution degree of 2, and an overvoltage category of 2, the 6ES7921-5CH20-0AA0 is a reliable choice for your automation needs. It also boasts cULus approval, ensuring compliance with North American standards. The insulating body is made from a durable material, and the enclosure is finished in black, offering a professional appearance to your setup.

This front connector module is an essential component for professionals seeking to maintain or enhance the performance of their SIMATIC S7-1500 automation systems. Its design and build quality ensure it is a dependable and long-lasting solution for a wide range of industrial applications.

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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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.

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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.

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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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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.

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Frequently Asked Questions

What is the purpose of this front connector module?

The front connector module is designed to provide a reliable and efficient connection interface for digital 32 I/O modules in the SIMATIC S7-1500 automation system. It facilitates the connection of the control system to various input and output devices.

Can you describe the type of connection this module uses?

This module uses a 1x50 pole IDC connector for establishing a plug-in connection with the digital I/O modules. It also features a Push-In terminal for potential supply.

What are the operating voltage specifications for this module?

The operating voltage at DC is rated at 24 V, with a maximum allowable voltage of 60 V.

What is the maximum continuous current per plug-in contact?

The maximum continuous current per plug-in contact is 1 A.

What are the ambient temperature limits for operation and storage of this module?

The module can operate within an ambient temperature range of 0 to 60 °C and can be stored in temperatures ranging from -40 to +70 °C.

How many poles does the front connector have?

The front connector has 40 poles.

What type of conductors can be connected to this module?

The module can connect to flexible conductors with core end processing ranging from 0.25 to 1.5 mm², stranded conductors from 0.5 to 1.5 mm², and finely stranded conductors with or without core end processing within the same size range.

What is the maximum wire length that can be used with this module?

The maximum wire length for connecting the front connector module to the terminal module is 30 meters.

Does this module require a separate connection plate?

No, a separate connection plate is not required for this module.

What approvals does this module have?

The module has cULus approval, ensuring compliance with North American safety standards.

What is the net weight of the module?

The net weight of the module is approximately 0.099 kg.

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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.

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