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Products Detail

Category : Interface Board
Sub Category : Relay Board
Unit Price :
60 -00/-
Model : Int00004
Bulk Price :
Quantity Price Discount
6 - 10 58.8 /- each 2% Off
11 - 100 57 /- each 5% Off
101 - 500 54 /- each 10% Off
500+ 48 /- each 20% Off
Product Type : 3rd Party Product
Availability :
Warranty : No Warranty
Minimum Order : 1
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Data sheet 367.78 KB
Product Details

This is a small and easy to use 1 channel opto-isolated relay board that operates on 12V. Use it to control one 240V power appliance directly from microcontrollers or low voltage circuits. The board uses a high quality relay, which can handle a maximum of 7A/240 V AC or 7A/24V DC. Each relay has all three connections - Common, Normally Open, Normally Closed brought out to 3 pin screw terminals which makes it easy to make and remove connections. The board has a power indication and a relay status LED to ease debugging. The board can accept inputs within a wide range of voltages from 4V to 12V. Power input and relay control signals are brought to header pins on the board. Hence, the board can be easily interfaced with our development boards using our female to female jumper wires
A relay is an electrical switch that opens and closes under the control of another electrical circuit. In the original form, the switch is operated by an electromagnet to open or close one or many sets of contacts. Because a relay is able to control an output circuit of higher power than the input circuit, it can be considered to be, in a broad sense, form of an electrical amplifier.
1. Normally - open (NO) contacts connect the circuit when the relay is activate; the circuit is disconnected when the relay is inactive. It is also called a FORM A contact or “make” contact.
2. Normally - closed (NC) contacts disconnect the circuit when the relay is activated; the circuit is connected when relay is inactive. It is also called FORM B contact or” break” contact.
3. Change - over or double-throw contacts control two circuits; one normally open contact and one normally –closed contact with a common terminal. It is also called a Form C “transfer “contact.

1 Relay Output Operation Voltage: 12V DC
Optically isolated Output
Very less current consumption.
In-built surge protection circuit for AC peripherals.
Relay ON and Power On indication LEDs
Onboard 4 mounting holes for easy mounting
Header pins are provided for inputs, which enable easy connections to
Microcontroller boards, external circuits, etc.

Optically isolated Output using Opto couplers.
Very less current consumption.
In-built surge protection circuit for AC peripherals.
High output current handling capacity ( 10 Amp at 230V ).
Small size and light weight.


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