Overload Limiter for Chain Hoist 5 Ton
Overload limiter (also known as: weight of load limiter, overload limiter,overload recorder) is composed of load cells, operational amplifiers, control actuators and load indicators, with displays, control and alarm feature.When the crane lifting a heavy object, load cell deformation and load weight transofrm into an electrical signal, signal amplifier operation, indicates the load values. When the load reaches the rated value 90%, it have warning signals; when the load exceeds the rated loads, cut off the power source of the lifting mechanism.
BCQ/T Overload limiter characteristics
Main technology index
1. applay range: 0.5~5T various model electric hoist
2. integrated precision: ± 5% (F.S)
3. action errors: ± 5% (F.S)
4. alarm points set:
1 ) Pre alarm points rated up weight of 90% (at green flashing, buzzer issued intermittent alarm sound, but not cut rises control loop power)
2) delay alarm points-rated up weight of 105% (delay 2 to 3 seconds , red bright buzzer issued continuous alarm sound, and cut rises control loop power)
5. using environment:-10~60℃, and 90%RH
6. power voltage: ~380V ± 5% 50HZ
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