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Siemens 3LD2555-0TK53

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3LD2555-0TK53

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Marvo Stock ID MV-79EU
HS Code 85365080
SKU 3LD2555-0TK53
Condition New unboxed
Warranty 12 months
Weight (kg) 1.00
Length (mm) 260.00
Width (mm) 210.00
Height (mm) 180.00

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Specification & Description

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Specification & Description

Specification Description
Part Number 3LD2555-0TK53
Alternative Part Number 3LD25550TK53
Manufacturer Siemens
Product Type Switch Disconnector
Mounting Type Fixed Mount
Operation Mechanism Rotary actuation, red/yellow for emergency stop
IP Rating IP65
Number of Poles 3
Suitable for Use As Disconnect switch, main switch, safety switch, emergency stop button, maintenance/repair switch
Product Equipment/Interlocking Yes
Motor Drive Actuation Not applicable
Ambient Operating Temperature -25°C to +55°C
Insulation Voltage Rated at 690V
Shock Resistance Voltage Rated at 6,000V
Power Dissipation Typical 4.5W per conductor
Mechanical Service Life Typical 100,000 operating cycles for main contacts
Continuous Current Rating 63A
Operating Current for AC-21 Rated at 63A
Short-time Withstand Current 1,260A at 690V for 1s
Operating Frequency 50Hz to 60Hz
Utilisation Power for AC-3 18.5kW at 400V, 15kW at 690V
Utilisation Power for AC-23 A 22kW at 400V, 18.5kW at 690V
Maximum Operating Frequency 50 operations per hour
Auxiliary Contact Current Rated at 10A
Auxiliary Contact Voltage Maximum 500V AC
Short Circuit Protection Required gL/gG fuse: 63A for main circuit, 10A for auxiliary contacts
Installation Type Frontal mounting
Width 90mm
Height 107mm
Depth 132.5mm
Connection Terminals For main and auxiliary contacts
Conductor Cross-section Range Main contacts: 2.5mm² to 35mm², Auxiliary contacts: 0.75mm² to 4mm²
Certifications/Approvals CSA, UL, CCC, GL, LRS, DNV, PRS

The Siemens 3LD2555-0TK53 is a robust switch disconnector designed to ensure a high level of safety and reliability for industrial power management. This fixed mount unit is engineered for front mounting and features a central hole mounting design for ease of installation. With a compact footprint of 90 x 126.3 x 90 mm, it is suitable for space-constrained environments.

Crafted for durability, the switch disconnector operates with a rotary actuator in a striking red and yellow colour scheme, signalling its role in emergency stop and safety applications. It boasts an IP65 protection rating, safeguarding against dust ingress and low-pressure water jets from any direction, making it suitable for a variety of challenging industrial settings.

The 3LD2555-0TK53 is a three-pole device with a continuous current rating of 63 A, capable of handling AC-23A at 400V up to 22 kW, making it a reliable choice for managing motor loads and other high-power applications. Its design accommodates a wide range of conductor sizes, ensuring versatility in connection options.

This switch disconnector is not only a main switch but also serves as a safety cut-out switch, an emergency stop switch, and a maintenance/repair switch, providing a multifunctional solution to meet diverse operational needs. It is designed to perform reliably within an ambient temperature range of -25 to +55°C, ensuring consistent performance even in extreme conditions.

The Siemens 3LD2555-0TK53 is a testament to Siemens' commitment to quality, offering a dependable solution for power isolation in industrial applications where safety and efficiency 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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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.

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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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Frequently Asked Questions

What type of device is this switch disconnector suitable for?

The switch disconnector is suitable for use as a main switch, emergency stop switch, safety switch, and for maintenance and repair operations in a variety of industrial applications.

Can this switch disconnector be used as a load break switch?

Yes, this switch disconnector is designed to function as a load break switch, allowing it to safely disconnect loads during operation.

What is the maximum operating current for this switch disconnector?

The maximum operating current for this switch disconnector is 63 A.

What are the dimensions of this switch disconnector?

The dimensions of the switch disconnector are 90 mm in width, 107 mm in height, and 132.5 mm in depth.

What is the IP rating of this switch disconnector?

This switch disconnector has an IP65 rating, indicating a high level of protection against dust and water ingress.

What type of connections can be made with this switch disconnector?

The switch disconnector allows for electrical connections to both the main circuit and auxiliary contacts using connection terminals.

What is the power loss per conductor for this switch disconnector?

The typical power loss per conductor for this switch disconnector is 4.5 W.

What certifications does this switch disconnector hold?

This switch disconnector holds certifications from CSA, UL, CCC, GL, LRS, DNV, and PRS, ensuring compliance with various international standards.

What is the mechanical operating life of this switch disconnector?

The mechanical operating life of this switch disconnector is typically 100,000 operating cycles for the main contacts.

Can this switch disconnector be mounted on a DIN rail?

No, this switch disconnector is designed for front mounting with central fixing and does not support DIN rail mounting.

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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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