SZC23-NO-AL-CH Normally Open Current Transformer Switch AC Current Detector 30A
1.Self-powered, no external power supply required.
2.Action current 0.2A - 30A AC can be adjusted by potentiometer.
3.LED status indicator can conveniently and intuitively indicate the working status of the switch.
4. High-power MOS tube non-contact electronic switch.
5. The switch has no on/off times limitation, through-centre structure design, isolation withstand voltage up to 2000V.
6. Hysteresis is less than 1%, can be used under strong magnetic field conditions.
SZC23-NONC-AL-CH AC current sensing switch is designed and produced to solve the AC current monitoring and control, using the principle of mutual inductance by sensing the AC through-core current, isolating the AC current, outputting a switching signal, and directly controlling a variety of automated industrial control equipment, flashing lights, buzzers, relays, monolithic microcomputers, or other power load devices, compared with the traditional mutual inductor, thermal Compared with traditional transformers, thermal protectors and other devices, the use of this device can not only get more accurate and timely control effect.
is based on electromagnetic induction, whereby an induced current is generated when the current in the line changes. This series of AC current sensing switches applies an inductive coil to sense the amplitude of the AC current and determine whether it exceeds the pre-set current action value to change the output state of a solid-state switch, similar to the function of a mechanical switch.
AC current monitoring and detection.
Current overload protection.
Electronic switches for automatic control systems.
Equipment linkage, etc.
Power supply: self-powered without external power supply
Load: ≤0.5A@240V AC/DC
Input current: 0.2-30A AC
Action current value: adjustable
Switch state: normally open
Switch action value: 0.2~30A (adjustable by potentiometer)
Maximum overload: 100%
Maximum leakage current: 0.1A
Hysteresis: ≤1%
Response time: ≤200ms
Operating temperature: -20~60C Dimensions: 65V, 65V, 65A, 65V. 20~60C
Overall dimensions: 65X 25X 47mm Hole diameter: 10mm
Disconnect all power sources in the circuit before making electrical connections to avoid electric shock accidents. Significance of different indicators:
For NO normally open type, green light indicates that the switch is open, current flows through the switch, but not reaching the start value, and the contacts are open; red light indicates that the switch is closed, current reaches the start value, and the contacts are closed, the switch is in working condition.
1. Disconnect all the power in the circuit, fix the AC current sensing switch in a suitable position through the mounting holes of the base, if it is tied with a rope, please make sure to tie the rope firmly, if it is mounted with screws, please make sure to tighten each screw.
2. Connect the penetrating current circuit, first disconnect the measured line, let the measured line pass through the sensing hole of the current switch, and reconnect the circuit.
3. Connect the load circuit, note that the maximum AC load of this series of current switches should not exceed 0.5A0240VAC/DC.
4. After checking the installation wiring, close the power switch and set the upper and lower limits of the inductor current according to the user's own needs.
Transformer*1
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