Overload Manufacturers and Factory


Brand : GJJ

Product origin : Liaoning, China

Delivery time : 15 days after receiving payment

Supply capacity : 5000 pcs/ month


Product Description

Overload protector for GJJ construction hoist SC200/200

Construction hoist overload protection pressure sensor is mounted between the bottom surface of the lift cage construction with additional steel plate down by the weight of the pressure sensor to measure the weight of a weak strain and weight signals into electrical signals to pass through the transmission cable weight limit device .


Construction hoist overload protection is coming from the sensor signal by the limiter summing amplifier , A / D converter , microcontroller operation , when the weight lifting cage reaches or exceeds the set value , the corresponding relay respectively within the limiter actions connected with the elevator control system to insure lift safe and reliable.

Packaging & Shipping



Company Information


SYM HOIST & TOWER CRANE QUIPMENT CO.,LTD located in Shenyang China is one of the biggest supplier and export of tower crane, luffing crane , topless crane , passenger hoist along with the spare parts for them. With 20 years' experience on tower crane rent , installation , repair and reconstruction, the company has more than 50 experienced mechanical and electrical engineer responsible for the installation guide, failure diagnosis, maintainance and reconstruction for the tower crane at the construction site.
Having a long-term and good cooperative relationship with China's most famous manufacturer of tower crane and passenger hoist like YONGMAO, SANYO, Sichuan SCM, Zoomlion, GJJ, BAODA,etc. The company can offer you the best quality original tower crane and passenger hoist with most competitive price.

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