Szt20 Current Transducer, Current Sensor, CE Proved Current Transducer¹

Product Description SZT15/SZT20 Series AC current transducerthe product introductionSZT15 / SZT20 series AC current transducer can be real-time isolated measurement of AC current in the grid or circuit, and convert it to 0-5V / 0-10V or 4-20mA DC output signal, with a variety of AD with Then, constitute a variety of digital centralized acquisition system, or output to the PLC and other automatic control system, or with the traditional analog, digital indicating instrument with the display of the measured value. The input current for SZT15 models is 10A, 20A, or 50A, and for SZT20 models is 100A, 150A and 200A, through the transmitter jumper cap on the choice of appropriate Through current.Features: With overload capacity, high precision, high isolation, high security, low power consumption, anti-interference ability and other characteristics, and easy to install.Applications: Widely used in industrial automation and various needs of the current and voltage conversion occasions.Product Featuresmutual inductance current monitoring, high current detection accuracy, stable performance, input and output safety isolationThe measured current is AC: 0-10A / 20A / 50A; 0-100A / 150A / 200A can be selectedOutput signal DC: 0-5V / 0-10V / 4-20mA three forms optionalInstallation and easy to use, no DC measurement in series into the circuit.through-heart structure design, isolation voltage up to 2000VAC.Hysteresis less than 1%, can be used in strong magnetic field conditions.The shell is self-extinguishing material ABS refined.working principleOn the basis of electromagnetic induction, when the current in the line changes, will have induced current. Through the transformer to a large current into a standard small current, and then through the relevant signal processing circuit and the output control circuit can output 0-5 / 10V or 4-20mA DC signal, the transmission to the next level system.typical applicationAC current measurement and monitoring.AC motor overload protection.Electronic switch for automatic control system.the need for current and voltage conversion of the occasionSpecificationsPower supply:Voltage output type Self-powered No external power supplyCurrent output type requires auxiliary power supply DC: 24V ± 10%Input Amperage Range (AC)0-10A/20A/50A(SZT15 series)0-100A/150A/200A(SZT20 series)Output signal (DC):0-5V / 10V(output Voltage)4-20mA(output Current)Switch on the minimum:0.5 ± 0.2A (round mouth type)1.5 ± 0.2A (Square mouth type)Frequency10-200HzThe maximum overload current200% (< 200% of the rated input current).Accuracy10%Power consumption≤1WLeakage current:≤1mAHysteresis:≤1%FSRepeatability100%Through the heart diameter:0.35-20mmResponse time:≤200msTemperature limit32 to 122oF (0 to 50oC)Humidity limits10-95% (non-condensing)Dimensions:61.5×90×26mm    Pore size:20mm(round mouth type)63×100×32.2mm    Pore size:20×20mm(Square mouth type)Enclosure Rating:UL 94V-0 flammability rated ABS, insulation class 600 V.Insulation withstand voltage:2000VAC 50/60HZ 1minModel DescriptionTypes of products:SZC is the current sensor switch SZT is the current transducermeans Through current:15 means the range of through current:0-10A/20A/50A AC20 means the range of through current:0-100A/150A/200A AC;means The shape of the fixed port of the device:CH means Circular fixed hole,The wire must pass through the hole;SH means Can open the square hole,the hole can be openedmeans the output voltage:5V meansThe output voltage:0-5V DC;10V meansThe output voltage:0-10V DC;420E means Output DC current  4-20mA;E.g:SZT15-CH-5Vmeans:This device is the current transducer, Through current range of 0-10 / 20 / 50A AC; device for the circular fixed mouth; output DC voltage range of 0-5V.Model selectionSeries productInput current  (AC)output stylespower supplySZT15-CH-5V0-10/20/50A0-5V DCself - poweredSZT15-SH-5V0-10/20/50A0-5V DCself - poweredSZT15-CH-10V0-10/20/50A0-10V DCself - poweredSZT15-SH-10V0-10/20/50A0-10V DCself - poweredSZT15-CH-420E0-10/20/50A4-20mA DC24V DC(±10%)SZT15-SH-420E0-10/20/50A4-20mA DC24V DC(±10%)SZT20-CH-5V0-100/150/200A0-5V DCself - poweredSZT20-SH-5V0-100/150/200A0-5V DCself - poweredSZT20-CH-10V0-100/150/200A0-10V DCself - poweredSZT20-SH-10V0-100/150/200A0-10V DCself - poweredSZT20-CH-420E0-100/150/200A4-20mA DC24V DC(±10%)SZT20-SH-420E0-100/150/200A4-20mA DC24V DC(±10%)Note:SZT series current transducer Through current must be ACProduct dimemsion  (unit:mm)Typical wiring  InstallationMount the switch in a suitable location using the two mounting holes in the base of the unit. If using ties, make sure ties are securely fastened and that the unit is stable. If using crews, tightly screw in one screw at a time into each hole.Ensure that the power supply to the circuit is off. Disconnect the circuit line, slide the power conductor cable through the sensing hole of the current switch, and reconnect the circuit line. Notice that the direction of the measured current is from the side with "×" to the other side.Connect the output circuit, notice that the first terminal block connect to the anode of the output device and the second connect to the cathode of the output device.Connect the power-supply circuit, notice that the third terminal block connect to the cathode of the power-supply and the fourth connect to the anode of the power-supply. Turn circuit back on.The DC current transducer is working now.Trouble ShootingQuestion: There is DC power to the unit, but there is not any signal to the output.  Solution: Verify that the DC current to the unit is normal, notice that the DC sensing      transducer will stop working as long as the DC current is too low to be induced, and the DC current exceed the rated levels will damage the DC current transducer.Verify the 24V power-supply to the DC sensing transducer is normal, and the power-supply connection in wrong way will be damage the DC sensing transducer.Verify the connection between the output terminal block and the next device.

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