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LiebeWH 7-30V 0-30A DC Current Detection Sensing Relay Module with Overcurrent and Error Calibration

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$10.42

$ 5 .99 $5.99

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About this item

  • Detection range is DC 0-30A with the accuracy of 0.01A.
  • Can turn off the LED display to reduce power consumption.
  • This module can detect the DC current value, control the on-off of the relay according to the limit current set by users.
  • With error calibration function.
  • Can be used to limit the current in the circuit, electrical equipment from damage caused by current.



Product Description

Dc Current Detection
Current Switch Relay

Setting description:

Power on,display the measured current; (if the measured current terminal is none, the LED digitswill pulse)

Press K1 for the second time(for over 1s to prevent misoperation), the screen shows: P11, k2 adjusts mode, K3 adjusts functionPress K1 for the second time, the screen flashes: 0.05,means the threshold I1 is 0.05A,K2 increasesI1, K3 increases I1Press K1 for the third time, the screen flashes: 0.10,means the threshold I2 is 0.1A; K2 increases I2, K3 increases I2Press K1 for the fourth time, thescreen shows themeasured current , entersthe standby stateLong press K2 or K3 in standby state to fine-tune the errorof the measured current

Function description:P-11: When the measured current >I1(low limit current), the relay closed; When the measured current <I1, the relay opens;P-12: When the measured current >I1, the relay closes;Maintain the stateuntil the circuit board power off;P-21: When the measured current > I2(high limit current), the relay closes; When the measured current <I1, the relay opens;P-22: When the measured current> I2, the relay closes; Maintain the stateuntil the circuit board power off;P-31: When measured < I1, the relay closes; When the current >I2, the relay opens;P-32: When the measured current < I1, the relay closes; Maintain the stateuntil the circuit board power off;P-41: When the measured current is between I1 and I2, the relay closes,opensin other cases;P-42: When the measured current is between I1 and I2, the relay closes; Maintain the stateuntil the circuit board power off;P-51: When the measured current <I1 or >I2, the relay closes,opensin other cases;P-52: When the measured current < I1 or > I2, the relay closes; Maintain the stateuntil the circuit board power off.

Specification:

Model YYI-4
Supply voltage DC 7-30V
Detection range DC 0-30A
Accuracy 0.01A (10mA)
Standby current About 20mA
Weight Approx. 86g/3.0oz
Package list 1 * DC Current Detection Module

Sensing Module

Overcurrent Protection Relay Module

Current Switch Relay


AJ
2025-02-20 09:05:59
It works and is fairly simple to setup. The most disappointing thing and almost a fatal flaw is that the coil’s current of its relay is sensed by the load sensor and really messes up the threshold settings. If the current of the device on the load is not enough greater than the onboard coil’s current, you are kind of screwed
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