Voltage version:-----5V-------------12V-------------24V
Quiescent Current:  4mA-----------5.5mA----------12mA
Working current:---65mA-----------42mA----------40mA
Trigger voltage:-----0-2V------------0-4V-----------0-12V
Trigger current:-----2mA------------3mA-----------3mA
Relay contact capacity: 250V 10A (AC) or 30V 30A (DC)

The relay module with optical coupler is 5V 1248 channel. Relay output 1248 channel relay module for Arduino
Product Description:
One way relay module
Maximum load: AC 250V / 10A, DC 30V / 10A
Trigger current: 5mA
Working voltage: 5V
Module size: 50x26x18.5mm (L x W x H)
Four mounting bolt holes with a diameter of 3.1 mm
DC +: positive power supply (VCC)
CC -: negative power supply (GND)
Input:low level control relay
No: normally open relay interface
COM: universal interface relay
NC: normally closed relay interface
Relay module channel 2
1 Size: 50.5mm (L) * 38.5mm (W) * 18.5in (H)
2 weight. 31 G
3. PCB color: Black
The four panels have four screw holes in four weeks. The hole diameter is 3.1 mm, which is easy to install and fix
5 SPDT high quality batch music relays. 1 common terminal, 1 normally open terminal and 1 normally closed terminal
6 optocoupler isolation, good anti-interference
7 low traction, high release. Power status indicator, release status indicator is off
8. VCC, JD of system power supply_ Power supply for VCC relay. You can wear sweaters
Electrical parameters:
Power supply voltage: 5VDC, 12VDC
Current: more than 100mA
Load: AC 250V 10A or DC 30V 10A
Wiring:
VCC: positive power system
GND: negative system power supply
In1-in2: relay control port
4-channel relay output module, relay output contact 250A 10A. Input in1, in2, in3, in4, effective low signal line. SCR, GND power input, can relay another power supply relay power input jd-scr.

Purpose:
1. Support all MCU control. 2, the industrial sector; 3, PLC control; 4, smart home control
From 8-channel relay module
characteristic
Use high current relay, AC250V 10a, dc30v 10A
Independent contact, safe and reliable wiring
Standard interface, can be extended to various development boards
With fixing screw hole, easy to install
Suitable for various platforms, such as 51 / AVR / AVR / arm

Module description:
1. The module complies with international safety standards, charging control area and area isolation tank;
2. Double sided FR-4 circuit board design, high-end chip production process;
3. Using genuine batch music relay control;
4. According to the instruction of relay, it will not light when it is disassembled and disconnected;
5. There is a low signal at the signal input end, which is usually conducted from a common terminal;
6. Relay can control different equipment and load;
7. 8 and 8 normally open and normally closed contacts;
8. It is convenient for kf301 blue terminal to control line.
9. Module size: 138m * 56mm * 18.5mm (length * width * height), weight: 120g
10, with 4 fixing bolt holes, holes 3.1mm, spacing 131mm * 49.5mm
11, passed 100% function test and stability test
Two interface modules:
1. VCC: 5V power supply positive connection
2. GND: 5V power supply negative pole connection
3, in1-in8: trigger signal, effective at low level
Relay output: 12 wire interface, which can be directly connected to all tracks, humanized
1, No1-No8: the relay interface is normally open, and the vacuum front relay is short circuited with com
2. General relay interface com1-com8
3. Nc1-nc8: the interface relay of normally closed relay is short circuited with com shortly after it is empty
VCC system power supply. JD-VCC relay power supply. Just short JD-VCC and VCC

Module description:
1. This module complies with international safety standards, and there are isolation slots between the control area and the load area;
2. Adopt double-sided FR-4 circuit board design and high-end chip production technology;
3. Use genuine relay control;
4. With relay action indication, it is bright when on, but not on when off;
5. Low signal input

Module interface:
1. VCC: Connect the positive pole of the 12V power supply
2. GND: Connect to the negative pole of the 12V power supply
3. IN1-IN8: signal trigger terminal, low level effective

Relay output terminal: there is a 12-wire interface, all interfaces can be directly connected to lead, which is convenient for users to use
1. NO1--NO8: Relay normally open interface, the relay is suspended before being closed, and shorted to COM after being closed
2. COM1--COM8 relay common interface
3. NC1--NC8: The relay normally closed interface, the relay is short-connected with COM before it is closed, and it is suspended after it is closed

Using high current relay, AC250V 10A DC30V 10A
  Independent wiring of the contact part, safe and reliable
  Standard interface, can be extended on various development boards
  With fixing screw holes for easy installation
  Suitable for various platforms such as 51/AVR/AVR/ARM

Schematic diagram can be provided (see description below) PCB diagram is not provided