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### SBK-II Slip Switch: A Reliable Solution for Mechanical Protection
When it comes to ensuring the smooth operation of rotating equipment such as belt conveyors, elevators, screw conveyors, grinders, crushers, pumps, centrifugal drying machines, and mixers, the SBK-II slip switch stands out as a reliable solution. Combining advanced sensor technology with practical application, this device is designed to detect and address various mechanical failures in real time.
#### Key Features of SBK-II Slip Switch
The SBK-II slip switch is equipped with an internal delay circuit, allowing it to adjust its internal timing based on the rotational speed of the driven shaft. This feature ensures that the switch can effectively protect equipment by accurately monitoring the rotational speed through electromagnetic induction. When the detection piece rotates to a distance of 4-8mm from the speed switch, it generates a pulse signal, triggering a series of relay actions. If the equipment's rotation exceeds a preset time limit (for example, 8 seconds), the relay will disengage to prevent potential damage.
#### Working Principle
The core working principle of the SBK-II slip switch revolves around the detection of mechanical anomalies such as belt slipping, breakage, jamming, slow rotation, dynamic shaft shear, and overloads. By installing the detection piece on the driven shaft, the switch monitors these conditions using electromagnetic induction. If the equipment does not reach the required revolutions within the preset delay, the relay connected in series is triggered to disengage, thus protecting the machinery from further damage.
#### Installation and Use
To maximize its effectiveness, the SBK-II slip switch should be installed at the driven shaft of the machinery, whether it be a screw conveyor, elevator, belt conveyor, zipper machine, or crusher. The installation process is straightforward, and once in place, the switch operates continuously to provide real-time protection against mechanical failures. It features both manual and automatic reset modes, accommodating various operational needs and environmental conditions.
#### Environmental Adaptability
Designed to withstand varying environmental conditions, the SBK-II slip switch operates efficiently within a temperature range of -20ºC to +60ºC and relative humidity of less than 85%. Its reliable performance under these conditions is supported by its durable construction and high-quality materials.
#### Technical Specifications
The SBK-II slip switch boasts several technical specifications that enhance its performance and reliability:
- **No. of Contacts:** 1NO1NC
- **Action Angle:** 30°
- **Action Force:** 10kg
- **Limit Angle:** 60°
- **Current:** 1.5A
- **Contact Capacity:** AC380V / DC220V
- **Reliability:** >10⁶ times
These specifications ensure that the SBK-II slip switch is not only effective but also long-lasting, providing consistent protection for a wide range of industrial applications.
In conclusion, the SBK-II slip switch offers a comprehensive solution for monitoring and protecting rotating equipment from mechanical failures. Its advanced technology, ease of installation, and adaptability to various environmental conditions make it an essential component in ensuring the reliability and efficiency of industrial machinery.
