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This SPST solid-state relay module allows for safe switching of DC circuits up to 60 V and 7 A, offering galvanic isolation and low conduction resistance (approx. 30 mΩ) thanks to the use of back-to-back MOSFET transistors. It features fast switching time (up to 1 ms), low control current consumption (approx. 10 mA), and the ability to control a signal from 2.7 to 40 V. Its compact design, lack of mechanical components, and the ability to mount on 2.54 mm connectors or screw terminals make the module a durable and quiet solution for systems requiring reliable isolation and long service life. Pololu 5420
The solid-state relay (SSR) module, SPST type, is a modern solution designed for switching DC circuits on and off based on a control signal in the range of 2.7 to 40 V. Thanks to galvanic isolation between the control circuit and the output, it is safe and resistant to interference. Switching is handled by two back-to-back MOSFET transistors, providing bidirectional current flow and symmetrical output, allowing the module to be used as either a high-side or low-side switch. This version supports currents up to 7 A at voltages up to 60 V, and the total ON-state resistance is about 30 mΩ, minimizing energy losses. The switching time (on and off) is a maximum of 1 ms, ensuring a fast response in most applications.
Thanks to its solid-state design, the module eliminates typical drawbacks of mechanical relays, such as contact wear, sparking, and noise, while offering a compact form factor and silent operation. The control circuit consumes up to 10 mA and can be powered and activated through a single connection (by shorting EN and VIN). The signal pins have a 2.54 mm pitch, making it easy to use with breadboards, while the output provides solder pads for wires or the option to connect 3.5 mm or 5 mm screw terminals. The module has a small size and weight, making it ideal for projects with limited space. It is perfect for power switching in systems requiring signal isolation, as well as for hobby and professional applications where reliability and long life are critical.
Data sheet
Manufacturer BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
Responsible person BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
Pin header goldpin black 1x40 pins. Straight connector for through-hole assembly. 2.54mm pitch.
2-pin ARK mounting strip, 3.5 mm pitch. 381-3.5-02P-14-00AH. Set of 10 pieces
This SPST solid-state relay module allows for safe switching of DC circuits up to 30 V and 11 A, offering galvanic isolation and low conduction resistance (approx. 30 mΩ) thanks to the use of back-to-back MOSFET transistors. It features fast switching time (up to 1 ms), low control current consumption (approx. 10 mA), and the ability to control a signal from 2.7 to 40 V. Its compact design, lack of mechanical components, and the ability to mount on 2.54 mm connectors or screw terminals make the module a durable and quiet solution for systems requiring reliable insulation and long service life. Pololu 5421
No product available!
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The Pololu 5423 module provides reliable load control in RC systems with full galvanic isolation. The SPST solid-state relay supports up to 6 A at voltages up to 60 V and is suitable for applications requiring silent operation, durability, and precise control using RC signals. The version without soldered connectors offers flexibility for adaptation to individual projects.
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The Pololu 5422 module enables precise and safe control of loads in RC systems while maintaining galvanic isolation. The solid-state relay with SPST configuration provides silent switching of currents up to 6 A and voltages up to 60 V. It is dedicated to switching motors, valves, and other components in RC and automation projects.
No product available!
Industrial module based on the ESP32-S3 microcontroller, which supports WiFi, Bluetooth and RS485 interface. Equipped with 6 high-power relays (up to 10A at 250VAC/30VDC), it allows for safe control of various devices and integration with industrial sensors via the Modbus protocol. The module supports popular programming environments such as Arduino and MicroPython, making it ideal for AIoT and remote monitoring applications. Waveshare ESP32-S3-Relay-6CH
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No product available!
Industrial relay module controlled via RS485 interface with Modbus RTU protocol support, offering 8 outputs with maximum load of 10 A. Equipped with galvanic isolation, opto-isolation, TVS diodes and DIN mounting, it ensures safe and reliable operation in harsh industrial conditions. Thanks to functions such as flash-on/off, configurable RS485 address (1-255), signaling diodes and wide power supply range (7-36 V), the module is perfect for building automation and device control. Waveshare Modbus RTU Relay (B)
Industrial module with 8 relays. It communicates via RS485 interface and supports Modbus RTU protocol. Waveshare Modbus RTU Relay (EN)
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This SPST solid-state relay module allows for safe switching of DC circuits up to 60 V and 7 A, offering galvanic isolation and low conduction resistance (approx. 30 mΩ) thanks to the use of back-to-back MOSFET transistors. It features fast switching time (up to 1 ms), low control current consumption (approx. 10 mA), and the ability to control a signal from 2.7 to 40 V. Its compact design, lack of mechanical components, and the ability to mount on 2.54 mm connectors or screw terminals make the module a durable and quiet solution for systems requiring reliable isolation and long service life. Pololu 5420