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Relay modules

Products: 76
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Relay 2 channel module with optoisolation - 10A/250VAC contacts - 5V coil

The module has two relays SRD-05 with a coil powered with a voltage of 5 V with optical isolation of input and mounting holes. The system allows you to control the actuators...
Index: MOD-02170
Index: MOD-02170
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Regular price PLN7.24 Price PLN7.24

Iduino relay 2 channel module with optoisolation - 10A / 240VAC contacts - 5V coil

Module with two SRD-05 relays with the coil powered with a voltage of 5 V and optical insulation of the input, and with the mounting holes. The system...
Index: OST-14266
Index: OST-14266
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Regular price PLN9.35 Price PLN9.35

Relay module 1 channel with optoisolation - 10A/250VAC contacts 5V coil

The module is equipped with relay SRD-05 with coil powered with a voltage of 5 V with optical isolation of input and mounting holes. The system allows you to control actuators...
Index: MOD-01997
Index: MOD-01997
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Regular price PLN6.42 Price PLN6.42

Relay module 1 channel - 10A / 250VAC contacts - 5V coil

The module is equipped with relay JQC-3FF-S-Z with coil powered with voltage 5 V without optical isolation of input. The system allows you to control actuators with...
Index: MOD-08228
Index: MOD-08228
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Regular price PLN5.61 Price PLN5.61

Relay module 4 channels - 10A/250VAC contacts - 5V coil

Quadruple module is equipped with SRD-05 relay with a coil powered with the voltage of 5 V, the transistor amplifier and mounting holes. The system allows you to control...
Index: MOD-01998
Index: MOD-01998
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Regular price PLN15.37 Price PLN15.37

Relay 5V 10A/250VAC

The module is equipped with relay JQC-3FF-S-Z with coil powered with a voltage of 5 V. T he systems allows you to control actuators with microcontroller ports or with any...
Index: MOD-08463
Index: MOD-08463
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Regular price PLN6.42 Price PLN6.42

Relay module 4 channels with optoisolation - 10A/250VAC contacts - 5V coil

The module is equipped with four relays JQC-3F with a coil powered with a voltage of 5 V with optical isolation of input and mounting holes. The system allows you to control...
Index: MOD-02579
Index: MOD-02579
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Regular price PLN11.30 Price PLN11.30

Relay module semiconductor SSR 2A 1 channel - 240VAC / 2A contacts. 5VDC coil

The module is equipped with 1-channel relay, semiconductor SSR with a constant control voltage of 5 V DC and AC voltage switching between the values from 100 VAC to 240 VAC....
Index: DNG-10161
Index: DNG-10161
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Regular price PLN10.98 Price PLN10.98

Relay module 8-channel optoisolation - 10A/250VAC contacts - 5V coil - red

The module has eight relay SRD-05 with a coil powered with voltage of 5 V along with optoelectronic insulation. The system allows you to control actuators with microcontroller...
Index: MOD-02357
Index: MOD-02357
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Regular price PLN29.19 Price PLN29.19

Module relay semiconductor SSR 2A4 channels - 240VAC / 2A contacts 5VDC coil - keyes

The module is equipped with a 4-channel, solid-state SSR relay with 5 VDC DC control voltage and switching AC voltage from 100 VAC to 240 VAC. Nominal current is 2 A. The unit...
Index: OST-15068
Index: OST-15068
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Regular price PLN39.59 Price PLN39.59

Relay Hat for Raspberry Pi - 8 relays with optoisolation - 5A / 250VAC / 30VDC contacts - 5V coil - Waveshare 15423

The module with the HAT shield for Raspberry Pi is equipped with eight HLS8L relays with a coil powered with a voltage of 5 V along with optoelectronic insulation. The system...
Index: WSR-13301
Index: WSR-13301
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Regular price PLN70.65 Price PLN70.65

Semiconductor Relay moduleSSR 2 channels - 240VAC / 2A contacts 5VDC coil - keyes

The module is equipped with a 2-channel, solid-state SSR relay with 5 VDC DC control voltage and switching AC voltage from 100 VAC to 240 VAC. Nominal current is 2 A. The unit...
Index: OST-15067
Index: OST-15067
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Regular price PLN21.14 Price PLN21.14

Solid state relay module SSR 2A 1 channel - contacts 240VAC / 2A 5VDC coil

SSR 1-channel solid-state relay module with 5 VDC DC control voltage and switching AC voltage from 100 VAC to 240 VAC. Nominal current is 2 A. The unit does not generate...
Index: OST-16280
Index: OST-16280
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Regular price PLN10.98 Price PLN10.98

8 channel optoisolation relay module - 10A/250VAC contacts - 12V coil - red

The module has eight SRD-12 relays with a coil powered with the voltage of 12 V, with optoelectronic insulation. The system allows you to control the actuators using the...
Index: MOD-02699
Index: MOD-02699
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Regular price PLN32.44 Price PLN32.44

Transistor switch with adjustable delay - 15A / 36V

The module equipped with transistors powered with the voltage from 5 V to 36 V. T he system allows you to control actuators using microcontroller ports or any development...
Index: GRL-12126
Index: GRL-12126
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Regular price PLN18.62 Price PLN18.62

Sonoff Mini R2 - 240V WiFi relay - Android / iOS app

Ready-made 240 V relay module with small dimensions, so it can be mounted in a flush-mounted box. The device is controlled via a WiFi network using the eWeLink application...
Index: DNG-15925
Index: DNG-15925
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Regular price PLN36.50 Price PLN36.50

Relay module Velleman 4 channels - 10A / 250VAC contacts - 5V coil

Quadruple module is equipped with SRD-05 relay with a coil powered with the voltage of 5 V, the transistor amplifier and mounting holes. The system allows you to control...
Index: VEL-13900
Index: VEL-13900
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Regular price PLN32.44 Price PLN32.44

Relay module Iduino 4 channels - 10A/250VAC contacts - 5V coil

Module with four SRD-05 relays with a 5 V coil and optical insulation of the input as well as mounting holes. The system allows you to control the actuators by means of...
Index: OST-14480
Index: OST-14480
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Regular price PLN20.24 Price PLN20.24

DFRobot Gravity - relay 1 channel - 10A/277VAC contacts - 5V coil

Module with relay that allows for the control of the actuators consuming the current of up to 12 A for the voltage of 125 V or 10 A for 277 V through the ports of the...
Index: DFR-05964
Index: DFR-05964
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Regular price PLN9.35 Price PLN9.35

Relay module 1 channel with delay - 10A / 250VAC contacts - 5 V coil

The module is equipped with relay SRD-05 with a coil powered with a voltage of 5 V. The system allows you to control actuators using microcontroller ports or any...
Index: GRL-10917
Index: GRL-10917
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Regular price PLN17.64 Price PLN17.64

Sonoff Dual R2 - 2x relay 230V - WiFi Android / iOS switch

Sonoff Dual R2 module consisting of two relays to control two circuits. The device communicates through a WiFi network and can be controlled by an application from anywhere...
Index: ALT-16201
Index: ALT-16201
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Regular price PLN46.26 Price PLN46.26

Relay module 4 channels + Bluetooth 4.0 BLE - 10A / 250V contacts - 5V coil

The module has four SRD-05 relays with a coil powered with the voltage of 5 V, it was also equipped with a module Bluetooth 4.0 BLE allowing ot control the devices via Android...
Index: GRL-10909
Index: GRL-10909
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Regular price PLN96.75 Price PLN96.75

Coolseer WiFi Breaker - 230V relay - WiFi switch - COL-WB01W

A module that allows you to control 230 V devices with a power of up to 2400 W using a WiFi network through an application for mobile devices from anywhere in the world...
Index: CLR-15001
Index: CLR-15001
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Regular price PLN24.31 Price PLN24.31

Sonoff TH10 - relay 230V with temperature and humidity measurement- WiFi Android / iOS switch

Module with 230 V / 10 A relay to operate devices with max. 2200 W . It has a connector to connect a temperature and humidity sensor. It communicates via WiFi using...
Index: ALT-16202
Index: ALT-16202
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Regular price PLN38.62 Price PLN38.62

What is relay and how it works?

Relay modules offered in our store are devices, electrical and electronic devices, the task of which, under appropriate conditions, is a dramatic state change in one or more output circuits. The relay responds to the change of input physical quantities, such as voltage, current, pressure, temperature, in such a way that if it exceeds a certain level, the signal changes abruptly, typically by the command “enable” or “disable”.

The use of relays

Through its action, the relay allows a large amplitude or level of voltage to produce effects in the circuits. Have an extra relay and low, which respond to changes in measured values over or below a certain level. An example is the relay of the maximum current, which is triggered when the value of the current flowing through it exceeds a specified value. We offer relay modules ready to implement the designed system and the model.

Optoizolacja

Our modules relay that we offer include optoizolację. What is optoizolacja? It's nothing complicated as it may seem. Optoizolacja is the separation from each other separate circuits with control signals. This is possible due to Transoptora, which sends control signals so as to isolate electrically these chains. Process optoizolacji allows you to protect selected elements of the system - usually the most expensive in our system.

The difference between usually and relays

What is the difference between the two systems, as the principle of their action is the same? It is the systems that are used. Contactors are devices to enable high voltage systems with power - for example, electric motors, relay circuits or low-power signal with a zero potential, for example, in programming logic drivers. This should also significantly increases the service life of relays, contactors than (several million connections at the relays, up to several thousand on stycznikach).