Kingser Electronics

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KS-PT Intelligent Protector
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KS-PT Intelligent Protector

Product description
KS-PT protector uses the microprocessor digital tube display, it possess protective /warning function and Real-time monitoring function for detecting 3 phase circuit voltage /current, easy to install and operate, applicable to ac low voltage distribution system data monitoring and comprehensive protection control, can be used for motor protection and other load protection and power protection.
Model Definition
1. Display function:Using the microprocessor digital tube display  technology, can display 3 phase grid parameter of circuit voltage /current, fault warning and work status , etc.in real time.
2. Setting function: Can directly set the current ratio, under-voltage protection, over voltage protection, over current protection, 3 phase imbalance ratio protection, control delay an so on.b.Automatic memory for parameters setting, no lost when power cut.
3. Protective function:a.Self-check and reset functionb.Under-voltage/over voltage/over currentc.Phase sequence identity protection
4. Over limit /fault warning function:When power failure or over limit, the microprocessor Digital tube will be light up to warn us.
Technical Parameters
1. Basic parameters
   Power voltage: AC380V±20%  50Hz±5%
   Sampling voltage: AC380V ~ 480V
   Sampling current: ≤5A 
   Power consumption: ≤3W
   Sensitivity: ≥100mA 
2. Control parameters
   Current change ratio: 1 ~ 1000
   Over voltage setting: 400V ~ 480V  Step length :1V
   Under-voltage setting: 300V ~ 360V  Step length :1V
   Over current setting: 1 ~ 9999A
   3 phase unbalance ratio setting: 10% ~ 90%
   Delay control: 1s ~ 60s
3. Measurement precision
Note:The specific technology parameters can be custom-made base on the customer’s requirement. 
Relevant Parameters
◆ Elevation Altitude:≤2500m
◆ Environment temperature:-20℃~+70℃
◆ Relative humidity:20%~90% [40℃]
◆ Atmospheric pressure:79.5Kpa ~ 106Kpa
◆ Environmental conditions: Ambient medium no explosion danger, no gas of damaging the insulation and corrosion of the metal.no conductive dust, installation is not easy to violent vibration, no snow and rain erosion.
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