5pcs 1-Channel Relay Module 12V with Optocoupler High Level Triger for Arduino
CTNR1055372
CTNR1055372
elekool
2025-11-22
/itm/5pcs-1-channel-relay-module-12v-with-optocoupler-high-level-triger-for-arduino-1055372
USD
4.28
$ 4.28
*Product availability is subject to suppliers inventory
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Overview:
- this module conform international safety standard, the isolation groove between control areas and load area;
- with optical coupling isolation, triggering more reliable, more stable;
- the double FR-4 circuit board design;
- have power and relay operation instructions. The LED will be lit when relay on;
- signal input with a high level signal, the common pin;
- relay can directly control all kinds of equipment and load;
- one normally open pin and a normally closed pin;
- blue KF301 terminal, more convenient;
- module size: 53x18x 18.5 mm;
Module interface:
Input part:
- VCC: connect to power positive (according to the relay voltage range)
- GND: connect to power negative
- IN: relay module trigger pin (high level trigger)
Output part:
- Normally Opened (NO): normally open pin of relay. NO pin is not connect to COM pin when relay off. NO pin is connect to COM pin when relay on;
- Common pin (COM): Common pin of the relay;
- Normally closed (NC): normally close pin of relay. NC pin is connect to COM pin when relay off. NC pin is not connect to COM pin when relay on;
Electrical parameters:
- Voltage version: 12V
- The static current: 5.5 mA
- Working current: 42mA
- Trigger voltage: 4-9V
- Trigger current: 3mA
What's in the Package:
- 5pcs 1-Channel Relay Module 12V with Optocoupler High Level Triger