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Siemens 3TH4355-0AP0

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3TH4355-0AP0
3TH4355-0AP0

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Marvo Stock ID MV-27U5
HS Code 85364900
SKU 3TH4355-0AP0
Condition New unboxed
Warranty 12 months
Weight (kg) 1.00
Length (mm) 300.00
Width (mm) 190.00
Height (mm) 150.00
EAN 4011209049291

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Specification & Description

Specification Description
Part Number 3TH4355-0AP0
Alternative Part Number 3TH43550AP0
Manufacturer Siemens
Product Type Contactor Relay
Contact Configuration 5 NO (Normally Open) + 5 NC (Normally Closed)
Terminal Type Screw Terminal
Operating Voltage 277 V ac at 60 Hz, 230 V ac at 50 Hz
Ambient Operating Temperature -25 ... +55 °C
Protection Class IP20 on the front
Mounting Type Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022
Dimensions (Width x Height x Depth) 55 mm x 78 mm x 102 mm
Control Circuit Voltage Type AC
Auxiliary Circuit Operating Current 10 A at 230 V ac (AC-15), 6 A at 400 V ac (AC-15)
Identification Number and Letter for Switching Elements 55 E
Commodity Code 853649
Safety Related Data B10 value with high demand rate according to SN 31920: 1,000,000; T1 value for proof test interval or service life according to IEC 61508: 20 years
Protection Against Electrical Shock Finger-safe

The Siemens 3TH4355-0AP0 is a robust contactor relay designed to meet the demands of industrial control applications. This component is engineered to facilitate reliable switching of control signals within electrical circuits. It features a configuration of 5 normally open (NO) and 5 normally closed (NC) contacts, providing versatility for various wiring strategies.

Constructed to comply with EN 50011 standards, the 3TH4355-0AP0 is suitable for a wide range of operating temperatures, from -25 to +55 degrees Celsius, ensuring performance in diverse environmental conditions. The contactor relay operates with an AC control supply voltage, with rated values of 230 V at 50 Hz and 277 V at 60 Hz, making it adaptable to different power supply systems.

The device boasts a finger-safe design, enhancing safety during installation and maintenance. It is also characterised by a B10 value with a high demand rate according to SN 31920, indicating a long service life with a T1 value for proof test interval or service life according to IEC 61508 of 20 years.

With a compact form factor, the 3TH4355-0AP0 has dimensions that allow for efficient use of space within control cabinets. It features screw-type terminals for secure and straightforward electrical connections. The contactor relay can be easily mounted onto a 35 mm standard mounting rail according to DIN EN 50022, which simplifies installation and integration into existing systems.

The Siemens 3TH4355-0AP0 is a dependable choice for those seeking a durable and efficient solution for controlling electrical circuits in industrial environments.

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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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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Frequently Asked Questions

What type of relay is this and what are its contact configurations?

This is a contactor relay designed for controlling electrical circuits. It features a configuration of 5 normally open (NO) and 5 normally closed (NC) contacts, providing versatility for various switching applications.

Can this relay be used in safety-related applications?

Yes, the relay is suitable for safety-related applications. It has a B10 value with a high demand rate and a T1 value for proof test interval or service life, which align with safety standards.

What are the operating voltage ratings for this relay?

The relay operates at a control supply voltage of 230 V AC at 50 Hz or 277 V AC at 60 Hz, making it suitable for a range of industrial applications.

What is the ambient temperature range for operating this relay?

The relay is designed to operate within an ambient temperature range of -25 to +55 degrees Celsius, ensuring reliable performance in various environmental conditions.

What type of terminals does this relay have for electrical connections?

It is equipped with screw-type terminals, which provide a secure and reliable connection for both auxiliary and control current circuits.

How can this relay be mounted?

The relay can be mounted using screws or by snapping onto a 35 mm standard mounting rail according to DIN EN 50022, offering flexibility in installation.

What is the protection class for the front of this relay?

The front of the relay has a protection class of IP20, which provides a degree of protection against solid objects but not against water.

What is the significance of the '55E' identification number for this relay?

The '55E' identification number refers to the specific switching element classification of the relay, which helps in identifying the operational characteristics and compatibility with other devices.

What is the operational current rating for this relay at AC-15?

The operational current rating for this relay at AC-15 is 10 A at 230 V and 6 A at 400 V, which indicates its switching capacity for different voltage levels.

How does the finger-safe feature contribute to the relay's safety?

The finger-safe feature of the relay ensures that the contacts are designed to prevent accidental touching, enhancing the safety for individuals working with or near the relay.

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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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