Buy KNACRO DC 5V 4-Channel Relay Module Optocoupler Isolation High-Low Level Trigger Optional for SCM Expansion Board TTL PLC Control in United States - Cartnear.com

KNACRO DC 5V 4-Channel Relay Module Optocoupler Isolation High-Low Level Trigger Optional for SCM Expansion Board TTL PLC Control

CTNR1177627 CTNR1177627

Grabaroos

Grabaroos
2025-11-17 USD 38.88

$ 38.88 $ 39.27

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KNACRO DC 5V 4-Channel Relay Module Optocoupler Isolation High-Low Level Trigger Optional for SCM Expansion Board TTL PLC Control
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Brand KNACRO
4-Channel Relay Module . Each channel has an LED light indicating the operating status of the relay.
The use of dual optocoupler, you can use high or low control mode, compatible with a variety of NPN and PNP output PLC expansion; optocoupler isolation more secure, the system anti-interference ability stronger and more stable.
With a diode freewheeling protection circuit. The use of dual power supply, the user can according to need, through the short-circuit cap to switch, select the power supply to use more flexible and convenient.
Relay power supply with terminal blocks and DC power outlet (5.5mm * 2.1mm) two kinds of interface form, the use of more flexible and more convenient.
Uses: SCM control, PLC control expansion, intelligent industrial field, home intelligent control.

Product Name: 4-Channel Relay Module Supply voltage: DC 5V (with 5V, 12V, 24V three optional) Load: AC 250V 10A or DC 30V 10A
Main Feature:
1, Each way the relay has LED lights indicate the working status of the relay.
2, The use of dual optocoupler, you can use high or low level of two control methods.
3, Compatible with a variety of NPN and PNP output PLC expansion;
4, Optocoupler isolation more secure, so that the system anti-interference ability stronger and more stable.
5, With a diode freewheeling protection circuit.
6, The use of dual power supply, the user can according to need, through the short-circuit cap to switch, select the power supply to use more flexible and convenient.
7, The relay power supply terminals and DC power outlet (5.5mm * 2.1mm) two kinds of interface form, the use of more flexible and more convenient.
7, Relay output contacts with double-sided alignment, can withstand high current more secure.
8, With four F3 positioning holes.

Application:
SCM control, PLC control expansion, intelligent industrial field, home intelligent control.

Tips:
Product details, wiring diagram please refer to the picture.

Package Included:
1*DC 5V 4-Channel Relay Module

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