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No. 152 Panyuan Road, Changxing Town, Chongming District, Shanghai
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Shanghai People's Electric Appliance Factory
LL4A-11、 12 type LL4A-1, 42 type series limit switch single arm belt wheel
NegotiableUpdate on 10/21
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Overview
According to different usage methods, limit switches can be divided into contact type contactors and non-contact type contactors. A contactor is installed on the moving parts of mechanical equipment with a travel switch, and a stopper with a limited position is installed at a fixed point of relative motion, or in the opposite installation position. When the mechanical contact of the travel switch touches the stopper, it can effectively cut off or change the control circuit, causing the machine to stop or change its operating mode.
Product Details
1、 Product Overview
To a large extent, travel switches (limit switches) have a wide range of applications, so what is their function? Travel switch (limit switch) refers to a switch installed inside an electrical box to protect micro switches from external forces, oil, water, gas, dust, etc. It is particularly suitable for places with special requirements for mechanical strength and environmental adaptability.
Stroke switches (limit switches) are suitable for controlling various types of lifting and transportation machinery such as ports, buildings, and mines, as well as limiting spatial dimensions. The travel switch (limit switch) is composed of a precise and high transmission ratio reducer, mechanical memory control mechanism, synchronous output shaft and other sensors.
2、 Product Model Table
| LL4A-11 | Using a single arm with rollers for operation, the shaft rotates under the action of a spring to restore the operating arm to its zero position |
| LL4A-12 | |
| LL4A-11S | |
| LL4A-12S | |
| LL4A-21 | Use a shaped back with rollers to operate 2 rotation positions |
| LL4A-22 | |
| LL4A-31 | Operate the load lever with a counterweight, and when the mechanism bracket lifts the counterweight, operate the load lever |
| LL4A-32 | |
| LL4A-31S | |
| LL4A-32S | |
| LL4A-41 | Use a trident arm to operate three switching positions |
| LL4A-42 | |
| LL4A-61 | Use double arms with rollers to operate 2 switching positions |
| LL4A-62 |
3、 Product installation diagram
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