Application:
Position (rotation angle) limited switch is mainly used in the following control occasions:
- Complex crane system: operating system for controlling power supply (eg PLC), allowing crane to slow down and stop running
- Lift (hoist): Used to stop the motor when it is run to its extreme position
All combinations are used with standard systems
Can be customized according to customer requirements
Working principle:
For example, the FCR006 limit switch is used to control the distance of the workbench on the crane, usually in the following order: When the crane moves forward to the limit distance, the ECR006 is activated to cause the motor speed to drop until the operation is completely stopped and the conversion Commutation circuit. The motor will move in the opposite direction (rear).
| Technical indicators |
| Safety standard | Product | IEC 947-5-1, EN 60 947-5-1, VDE 0660-200, UL 508, CSA C22-2 |
| Machine | IEC 204-1, EN 60 204-1, NF C 79-130 |
| Ambient air temperature | Work: -25~70℃ Save:-40~70℃ |
| Resistant to vibration | 9 gn (10E 500Hz) |
| Impact resistance | 68 gn |
| Protection against electric shock | Type Ⅰ IEC 536 and NF C 20-030 |
| Degree of protection | IP54 |
| Threaded hole | 1/2NPT, M20x1.5, PG13.5 |
| Rated operating voltage / current | AC-15: A600 (Ue=240V, Ie=3A) DC-13: Q300 (Ue=250V, Ie=0.27A) |
| Rated insulation voltage | Ui=600V |
| Rated impulse withstand voltage | Uimp=6kV |
| Forced open function | Normally closed contact with forced leave function meets IEC 947-5-1 Section 3, en 60 947-5-1 |
| Contact resistance value | ≤25mΩ |
| Short circuit protection | 10A fuse, type gG (gl) |
| Wiring | Screw clamping terminal, wire size: Max.1x0.5mm2, Min.2x2.5mm2 |
| Electrical durability | Use category: AC-15 and DC-13 Maximum operating frequency: 3600r/h Load factor: 0.5 |
Other technical indicates
| Maximum trigger speed | 1.5m/s |
| Mechanical life | 10 million times |
| Minimum action force | Switch trigger | 0.45N.m |
| Forced out of work | 0.75N.m |
Our company
After 20 years rapid development, NANTE and its parents company ZHONGJIAN Group has grown into a leading integrated solution provider for crane and crane components in China. Dedicated to the research and development of new lifting and handling technologies, we adopt innovative ideas and design in developing new products and services. Backed up by a wealth of industrial experience on lifting industry, we can provide to customer wide range of lifting equipment and components with scientific design, good safety, high performance, efficient operation and low maintenance cost. We are committed to help our clients to reduce investment cost, improve production efficiency, and economize energy consumption.
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