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Siemens LZS:RT4A4T30

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£34.72 (ex. VAT)

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LZS:RT4A4T30
LZS:RT4A4T30
LZS:RT4A4T30

Image shown may not reflect the final product

Marvo Stock ID MV-1UID
HS Code 85364900
SKU LZS:RT4A4T30
Condition New sealed
Warranty 12 months

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Quoting Marvo Stock ID: MV-1UID

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Specification & Description

Specification Description
Part Number LZS:RT4A4T30
Alternative Part Number LZSRT4A4T30
Manufacturer Siemens
Product Type Plug-in relay complete unit
Supply Voltage Frequency 50 Hz minimum, 60 Hz maximum
Type of Voltage AC
Control Supply Voltage (at 50/60 Hz) 230 V rated value
Number of Changeover Contacts 2
Operating Current (at AC-15) 2.5 A at 230 V
Switching Function Changeover switch
Switching Behaviour Monostable
Electrical Connection Screw-type terminals
Relay Operating Mechanism Poled
Product Component Jumper socket included
Dimensions (W x H x D) 15.5 mm x 71 mm x 78 mm
Mechanical Service Life Typical 5,000,000 operating cycles
Electrical Endurance Typical 80,000 operating cycles at AC-15, 230 V
Thermal Current 8 A
Protection Class IP20
Operating Frequency without Load 360 operations/hour
Operating Frequency with Load 36,000 operations/hour
Ambient Operating Temperature -40 to +70 °C during operation
Certificates/Approvals General Product Approval, Declaration of Conformity, other confirmations as applicable

The Siemens LZS:RT4A4T30 is a robust plug-in relay complete unit designed to facilitate seamless integration into various control systems. This unit is part of the esteemed SIRIUS product line, renowned for its reliability and versatility in industrial applications. The relay features a 2 CO (changeover) contact configuration, making it suitable for a wide range of switching tasks.

Equipped with a red LED module, the LZS:RT4A4T30 provides clear status indication, enhancing operational visibility and diagnostics. The unit operates at a control supply voltage of 230 V AC, with a frequency range suitable for both 50 Hz and 60 Hz systems, ensuring compatibility with standard industrial power supplies in the UK and beyond.

The relay boasts a mechanical service life of approximately 5 million operating cycles and an electrical endurance of 80,000 cycles at AC-15 at 230 V, highlighting its durability and long-term performance. With a thermal current rating of 8 A, it can handle significant loads, making it a reliable choice for various applications.

Installation is made easy with its snap-on mounting design, and the compact dimensions (78 mm height, 15.5 mm width, and 71 mm depth) allow for efficient use of space within control cabinets. The screw-type terminals provide secure and reliable connections for solid or finely stranded wires, accommodating a range of conductor cross-sections.

The LZS:RT4A4T30 operates within an ambient temperature range of -40 to +70 °C, ensuring consistent performance even in demanding environmental conditions. Its IP20 protection class signifies that it is protected against solid objects larger than 12.5 mm, although it should be housed within an appropriate enclosure for optimal protection.

This coupling relay with plug-in relay is a testament to Siemens' commitment to quality and innovation, offering a dependable solution for electrical switching operations across various industrial sectors.

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 relay is this?

This is a plug-in relay compact unit with a red LED module and standard plug-in socket with screw terminals.

Can this relay be used with different supply voltage frequencies?

Yes, the relay is designed to operate with a supply voltage frequency ranging from 50 Hz to 60 Hz.

What is the control supply voltage for this relay?

The control supply voltage for this relay at both 50 Hz and 60 Hz AC is rated at 230 V.

How many changeover contacts does the relay have?

The relay has 2 changeover contacts for auxiliary contacts.

What is the operating current of the auxiliary contacts at AC-15?

The operating current of the auxiliary contacts at AC-15 is 2.5 A at 230 V.

What is the design of the electrical connection?

The electrical connection is designed with screw-type terminals.

What are the dimensions of the relay?

The relay has a width of 15.5 mm, a height of 71 mm, and a depth of 78 mm.

What is the mechanical service life of the relay?

The mechanical service life of the relay is typically 5,000,000 operating cycles.

What is the thermal current rating for this relay?

The thermal current rating for the relay is 8 A.

Is there a specific mounting position required for this relay?

No, the relay can be mounted in any position.

What is the ambient operating temperature range for the relay?

The ambient operating temperature range for the relay is from -40 °C to +70 °C.

Does the relay have a positively driven switching function?

No, the design of the switching function is not positively driven; it is a monostable changeover switch.

What type of protection class does the relay have?

The relay has a protection class of IP20.

What is the required fuse for short-circuit protection of the auxiliary switch?

A gG fuse with a rating of 10 A is required for short-circuit protection of the auxiliary switch.

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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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