AC CURRENT DETECTION SENSOR MODULE, 12V RELAY

AC CURRENT DETECTION SENSOR MODULE, 12V RELAY
All pictures are for illustrative purposes only.

PID# 18570

CA$15.00 EACH
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Description

Specifications:
 
Operating voltage: DC12V
Operating current: <20MA
Operating frequency range: 20Hz ~ 400Hz
Output mode: switch signal output
Maximum detection wire diameter: 5.2mm
Mounting hole: hole diameter is 3mm, hole distance is 52.5mm
Operating environment: -40 ℃ ~ +85 ℃
The current detection range :AC0.3A-5A
Board size: 38 * 44mm
 
The Board Description:
 
VCC: Operating voltage positive;
GND :Operating voltage negative;
NO: Normally open, the relay pulls before the NO and COM disconnect, short-circuit after the suction;
COM: common, relay common interface;
NC: Normally closed, the relay before the NC and COM short-circuit, pull off after.
 
Using Instructions: 
 
By setting the potentiometer to set the overcurrent protection point, the clockwise adjustment reduces the detection current.
As bellows:
 
1. Measured the wire through the current transformer , connect VCC and GND to DC12V power supply;
2. Adjust the potentiometer, when you hear the sound of the relay pull (can be measured with a multimeter COM and NO whether was turned on, if connected to the relay means activated), then reduce or cut off the current flowing  that through the tested wire , if the relay release at this time that over-current protection point has been identified (available to multimeter COM and NC measurement whether is connected, if connected to the relay means been released);
3. When reduce or cut off the current flowing through the wire , the relay is not released, will still need to continue to adjust the potentiometer to find the over-current protection point.

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