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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RK1903-1CB00 |
| Alternative Part Number | 3RK19031CB00 |
| Manufacturer | Siemens |
| Product Brand Name | Local Safety Modules - accessories |
| Product Designation | PM-X |
| Design for Safety Circuits | For safety circuits up to safety category 4 EN 954-1 |
| Protection Class | IP20 |
| Bus Communication | Yes |
| Short Circuit Protection | No |
| Operating Current | 5 A at 400 V rated value |
| Control Supply Voltage (DC) | 24 V rated value; 20.4 V to 28.8 V range |
| Installation Dimensions | Width: 30 mm, Height: 196.5 mm, Depth: 117.5 mm |
| Product Function | Connection module for motor starter, feedback circuit and incoming feeder protection |
| Compatibility | Pluggable onto TM-X15 S27-01 |
| Certificates/Approvals | General Product Approval, Declaration of Conformity, Type Test Certificates/Test Report |
| Commodity Code | 85365080 |
The Siemens 3RK1903-1CB00 is a robust connection module designed to facilitate the integration of motor starters into automation systems. This component is engineered to support safety circuits up to Category 4 EN954-1, ensuring reliable feedback circuitry and incoming feeder protection. With a compact width of 30mm and a height of 196.5mm, it is easily pluggable onto TM-X15 S27-01, making it a versatile choice for space-conscious installations.
The module operates with a control supply voltage rated at 24V DC, accommodating a range from 20.4V to 28.8V DC, which allows for flexibility in various control environments. The operating current at 400V is rated at 5A, highlighting the module's capability to handle significant power for motor control applications.
Designed with an IP20 protection class, the 3RK1903-1CB00 ensures that the internal components are safeguarded against solid objects larger than 12mm, although it is not protected against water ingress. This level of protection is suitable for industrial environments where exposure to moisture is minimal.
The connection module's bus communication feature allows for seamless integration with other devices, facilitating efficient data exchange and system monitoring. However, it is important to note that the module does not provide short circuit protection, and additional measures should be taken to ensure circuit safety.
Overall, the Siemens 3RK1903-1CB00 is a reliable and efficient solution for enhancing motor starter connections within industrial control systems, offering both performance and ease of installation.
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Frequently Asked Questions
What is the voltage rating for the control supply of this connection module?
The control supply voltage for the connection module is rated for 24 V DC, with an allowable range from 20.4 to 28.8 V DC.
Can this module be used for safety circuits?
Yes, the connection module is designed for use in safety circuits up to safety category 4 EN 954-1.
What is the operating current rating at 400 V for this module?
The operating current at 400 V for this module is rated at 5 A.
What are the dimensions of this connection module?
The dimensions of the connection module are 30 mm in width, 196.5 mm in height, and 117.5 mm in depth.
Is there bus communication capability with this module?
Yes, the module supports bus communication.
What is the protection class of this connection module?
The protection class for this module is IP20.
Does this module have short circuit protection?
No, the module does not have short circuit protection.
How can this module be installed or mounted?
The module is designed to be pluggable and can be easily mounted onto a compatible base unit.
What type of approvals does this connection module have?
The module comes with a general product approval and a declaration of conformity.
Can this module be used for feedback circuits and infeed protection?
Yes, it is suitable for feedback circuits and infeed protection, and can be plugged onto TM-X15 S27-01.
Part conditions explained
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