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Specification & Description
| Specification | Description |
|---|---|
| Part Number | LZS:RT3A4L24 |
| Alternative Part Number | LZSRT3A4L24 |
| Manufacturer | Siemens |
| Type of Voltage | DC |
| Control Supply Voltage | 24 V (rated value) |
| Number of Change-Over Contacts | 1 |
| Operating Current | 3 A at AC-15, 230 V |
| Switching Function | Changeover switch |
| Switching Behaviour | Monostable |
| Electrical Connection | Screw-type terminals |
| Width | 15.5 mm |
| Height | 71 mm |
| Depth | 78 mm |
| Operating Temperature | -40 to +70 °C (during operation) |
| Mechanical Service Life | Typical 30,000,000 switching cycles |
| Electrical Endurance | Typical 100,000 switching cycles at AC-15, 230 V |
| Thermal Current | 16 A |
| Protection Class | IP20 |
| Display Version | LED (red) |
| Product Component | Jumper socket included |
| Mounting Position | Any |
| Fastening Method | Snap-on mounting |
| Certificates/Approvals | General Product Approval, Declaration of Conformity, other miscellaneous confirmations |
The Siemens LZS:RT3A4L24 is a compact and efficient plug-in relay designed for a variety of industrial applications. This relay operates with a DC control supply voltage of 24V and features a single changeover contact, making it suitable for simple switching operations in automation systems. The relay is equipped with a red LED module that serves as a status indicator, providing visual confirmation of operation which is particularly useful in troubleshooting and maintenance.
Constructed with a robust design, the LZS:RT3A4L24 has screw-type terminals for secure and reliable electrical connections. It is designed to be easily mounted with a snap-on fastening method, allowing for quick installation and replacement. The relay's dimensions are 15.5 mm in width, 71 mm in height, and 78 mm in depth, ensuring it occupies minimal space within control panels.
The relay boasts a monostable switching behaviour and is capable of operating within a wide ambient temperature range, from -40 to +70 degrees Celsius, making it versatile for use in various environmental conditions. The mechanical service life of the relay is impressive, with a typical endurance of 30 million switching cycles, and an electrical endurance at AC-15 at 230V of approximately 100,000 cycles, highlighting its durability and reliability.
The LZS:RT3A4L24 is a testament to Siemens' commitment to quality and performance in industrial control components. It is an ideal choice for those seeking a reliable and straightforward solution for their switching needs in industrial control circuits.
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Frequently Asked Questions
What type of relay is this?
This is a plug-in relay designed for compact applications, featuring a DC control supply voltage, a single changeover contact, and an LED module for status indication.
Can this relay be used with alternating current (AC) systems?
No, this relay is specifically designed for direct current (DC) systems with a rated control supply voltage of 24V DC.
What is the switching capacity of the auxiliary contacts?
The auxiliary contacts of this relay can handle an operating current of 3A at AC-15 at 230V.
What is the design of the electrical connection for this relay?
The relay features screw-type terminals for secure and reliable electrical connections.
What is the mechanical service life of this relay?
The mechanical service life of the relay is typically around 30 million switching cycles, indicating its durability and longevity.
What are the dimensions of this relay?
The dimensions of the relay are 15.5 mm in width, 71 mm in height, and 78 mm in depth.
Does this relay have any certifications or approvals?
Yes, the relay comes with a Declaration of Conformity, which is a common certification indicating compliance with relevant standards.
What is the ambient operating temperature range for this relay?
The relay can operate within an ambient temperature range of -40 to +70 degrees Celsius, making it suitable for a variety of environmental conditions.
Is there a need for short-circuit protection for this relay?
Yes, it is recommended to use a fuse link for short-circuit protection of the auxiliary switch, with a required fuse of gG: 10 A.
What is the function of the LED module on this relay?
The LED module provides a visual indication of the relay's status, which can be particularly useful for troubleshooting and maintenance purposes.
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