steve
Got hold of Sime for a Carrier card for…
Got hold of Sime for a Carrier card for a chiller. Machine down in a factory. Received the new card in express time machine and plant now up and running fantastic service form Sime
3 months ago
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1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
| Specification | Description |
|---|---|
| Part Number | 3RA1924-1A |
| Alternative Part Number | 3RA19241A |
| Manufacturer | Siemens |
| Type | Mechanical Interlock |
| Function | Used for reversing contactor assemblies without electrical function |
| Suitable for Contactors | Series 3R (Sizes S0...S3) |
| Mounting | Front-mounted on contactors |
| Electrical Ratings | Not applicable as it does not have an electrical function |
| Operating Temperature Range | Standard industrial operating temperatures (specific range not provided) |
| Compliance | Certified by relevant industrial standards for use in industrial control equipment |
| Construction | Robust build for industrial environments |
| Installation | Designed for easy installation onto the front of compatible Siemens contactors |
| Dimensions | Standard dimensions to fit Siemens contactors (exact measurements not provided) |
| Special Features | Allows for mechanical interlocking of contactor assemblies to ensure proper operation sequence |
| Usage | Intended for professional industrial use in controlling motor operations |
| Certification | Complies with CAN/CSA-C22.2 No. 14-05 - Industrial Control Equipment |
The mechanical locking device is designed for front-mounted assembly on contactors sizes S0 to S3. It ensures that mechanically interlocked contactor assemblies operate safely by preventing simultaneous closure of reversing contactors, thus avoiding potential damage to the contactors or the controlled equipment.
No, it is specifically designed for use with Siemens contactors sizes S0 to S3. It is important to match the locking device with compatible contactors to ensure proper operation and safety.
The 3RA1924-1A is a mechanical interlock without an electrical function. Its primary role is to provide a mechanical interlock between reversing contactors to prevent them from being energised simultaneously.
The device is mounted onto the front of compatible Siemens contactors. It should be installed according to the manufacturer's instructions to ensure correct operation and safety.
This mechanical locking device has been investigated by Underwriters Laboratories in accordance with UL 508 and CSA-C22.2 No. 14 standards for industrial control equipment.
While the device is robust, it is always recommended to operate it within the environmental conditions specified by the manufacturer. These details can be found in the product documentation.
If a replacement is required, it is important to use the exact part or a recommended successor to ensure compatibility and safety. Always refer to the manufacturer's guidelines for replacement parts.
Authenticity can be verified through the markings that include the submitter’s name or tradename 'Siemens', type designation, and electrical ratings. These are typically found on an adhesive label or printed directly on the device in a permanent, legible manner.
The ratings indicate the electrical and mechanical capacity of the device, ensuring that it is used within safe operating parameters. It is crucial to adhere to these ratings to prevent equipment failure and maintain safety.
While it is possible to use this device in a DIY project, it is essential to have a thorough understanding of industrial control systems and to follow all safety guidelines. It is recommended that such installations be carried out by qualified professionals.
This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
All parts new or reconditioned are covered by EU Automation 12 month warranty
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