If the elevator descends with excessive speed, the descending brake will be used to support the general descending safety gear, enable the safety gear, and stop the car, playing the role of descending over-speed protection.
If the elevator ascends with excessive speed, the over-speed switch can be turned off to cut off the power and stop the car,
playing the role of ascending over-speed protection.
Rated speed: v ≤2.5m/s
Wire rope diameter (mm): Φ6, Φ6.3, Φ8
Sheave diameter (mm): Φ240
Tension force: ≥1000N
Super switch voltage grade: AC220V
Performance Standard : GB7588-2003.EN81-1,1998