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Check similar products or call us on +44 20 4570 3439 for assistance
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Specification & Description
The Siemens LZS:RT4B4T30 is a robust coupling relay designed to facilitate reliable interfacing and signal amplification between control circuits. This component is part of the esteemed SIRIUS product line, renowned for its integration in automation systems. The relay comes equipped with a red LED module, providing clear status indication, and is housed in a socket with logic isolation and screw terminals for secure and straightforward installation.
With a control supply voltage rated at 230 V AC, both at 50 Hz and 60 Hz, this relay is versatile for various industrial applications. It boasts a mechanical service life of approximately 5 million switching cycles and an electrical endurance of 80,000 cycles at AC-15 at 230 V, ensuring longevity and reliability in operation. The LZS:RT4B4T30 operates within an ambient temperature range of -40 to +70°C, making it suitable for challenging environments.
The relay's design includes two changeover contacts, allowing for flexible control schemes within your systems. It is also designed with a monostable switching behaviour and a poled relay operating mechanism. The compact dimensions of 15.5 mm in width, 71 mm in depth, and 77 mm in height, along with the snap-on mounting feature, make it an easy fit in tight spaces and on standard mounting rails.
This Siemens coupling relay is an essential component for professionals seeking a reliable and efficient solution for their control circuit needs in industrial settings.
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Frequently Asked Questions
What type of relay is this?
This is a plug-in relay complete unit with a compact design, featuring a red LED module and a socket with logic isolation screw terminal.
Can this relay be used with different supply voltage frequencies?
Yes, the relay is designed to work 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 is rated at 230 V AC.
What is the operating temperature range for this relay?
The operating temperature range for this relay is from -40°C to +70°C, making it suitable for a variety of environmental conditions.
What type of switching contacts does this relay have?
The relay is equipped with changeover contacts made of AgNi 90/10 material.
How many changeover contacts does the relay have?
The relay has two changeover contacts for auxiliary applications.
What is the mechanical service life of this relay?
The mechanical service life of the LZS:RT4B4T30 is typically around 5 million switching cycles.
What is the electrical endurance of this relay?
At AC-15 at 230 V, the electrical endurance of the relay is typically 80,000 switching cycles.
What is the protection class of this relay?
The protection class of this relay is IP20.
What are the dimensions of this relay?
The dimensions of the relay are 77 mm in height, 15.5 mm in width, and 71 mm in depth.
Is the terminal of this relay removable?
No, the relay features a screw-type terminal that is not designed to be removable.
What is the tightening torque for the screw-type terminals?
The tightening torque for the screw-type terminals is between 0.5 and 0.7 N·m.
Part conditions explained
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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.
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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.
