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High Power Low Voltage Trigger Relay Normal Open Sensor Module 10A 250VAC 30VDC Digital Signal Arduino
Specification
Name:Relay Sensor
Power:+3.0V -5.5V
Signal type:Digital signal
Connector: XH2.54 × 3
Pin :S-Signal,V-Power,G-Ground
Instructions for use: The relay sensor is a normally open sensor
with a high level trigger; when the signal pin output is high, the
relay is closed.
Description
Relay sensor adopts high-quality relay,normally open interface has the maximum load AC 250V/10A and DC 30V/10A. The sensor is a signal input with a trigger voltage of 0.7V or more. The sensor integrates a power indicator to indicate the operating status.
Relay SRD-06VDC-SL-C Specificaiton
| Ratings | 10A 250VAC 10A 125VAC 10A 30VDC 10A 28VDC |
| Approvals | CQC,TUV,UL |
| Brand | SONGLE |
| Current Ratings | 7A/10A/15A |
| Temperature Range | +85℃/+105℃ |
| Contact arrangement | 1 A ( s p s t n o ) / 1 B ( S p s t n c ) / 1 C(Spdt) |
| Contact resistance | 100mΩ(1A 6VDC) |
| Contact material | Silver alloy:AgCdO,AgSnO2,AgNi |
| Max switching voltage | 250VAC |
| Max switching current | 15A |
| Max switching power | 3750VA |
| Power dissipation | 0.36W |
| Humidity | 85% RH(20℃) |
Guide for Relay Module with Arduino
A relay is an electrically operated switch of mains voltage. It
means that it can be turned on or off, letting the current go
through or not.
Controlling a relay with the Arduino is as simple as controlling an
output such as an LED.
Mains voltage connections
In relation to mains voltage, relays have 3 possible connections:
COM: common pin
NO (Normally Open): there is no contact between the common pin and the normally open pin. So, when you trigger the relay, it connects to the COM pin and supply is provided to a load
NC (Normally Closed): there is contact between the common pin and the normally closed pin. There is always connection between the COM and NC pins, even when the relay is turned off. When you trigger the relay, the circuit is opened and there is no supply provided to a load.
If you want to control a lamp for example, it is better to use a normally-open circuit, because we just want to light up the lamp occasionally.
Pin wiring
The connections between the relay module and the Arduino are really
simple:
GND: goes to ground
IN1: controls the first relay (it will be connected to an Arduino
digital pin)
IN2: controls the second relay (it should be connected to an
Arduino digital pin if you are using this second relay. Otherwise,
you don’t need to connect it)
VCC: goes to 5V
