Weihua Cranes: Overload Limiter for Crane, Winch Drum Hoist Overload Limiter

2022年6月1日星期三

Overload Limiter for Crane, Winch Drum Hoist Overload Limiter

This overload limiter is fitted on the winch wire rope drum shaft for overload protection. Weihua is a leading crane manufacturer in China, providing all kinds of Crane Components including Electric Parts and Mechanical Parts.

Technical Parameters of Overload Limiter:

1. Application: for 3 ~ 100t overhead crane and gantry crane
2. Complete sets: includes bearing seat sensor and monitoring instrument composition
3. Monitoring accuracy:
Display error ≤ ±3%
Action error ≤ ±3%
Comprehensive error ≤ ±5%
4. Alarm set:
Precast starting point at the rated weight of 90%
Delay precast starting point at the rated weight of 105% (extended time: 1 to 2 seconds)
Alarm starting point at the rated weight of 120%
5. Sensor overload capacity: 1.5 times of the rated load
6. Control contact form: normally closed; capacity: 5 ~ 10A
7. Power: 380V or 220V, 50Hz
8. Working environment: -20 ℃ ~ 60 ℃, ≤ 90% RH
9. Protection class: sensor IP65, monitoring instrument IP42