Relays

Digital module for monitoring DC voltage 0-99.9V and automatic control of a 10A relay, ideal for protecting batteries and sources in charging or discharging applications. Allows setting of minimum and maximum thresholds in 0.1V steps, displays voltage on LED display, includes 7 working modes for flexible control and calibration from buttons.

Flexible solution for access control and automation, with authentication by fingerprint, 13.56MHz IC card or NFC phone. Operates at 10-120VDC, stores up to 100 cards and 50 fingerprints, includes 2 relays for controlling gates, doors, electronic projects or automotive applications, with 10 configurable modes and programmable activation times.

GSM relay module for gate opening and access control, fast activation by rejected call or SMS, works on 2G network and is powered at 9-24V. It allows storing up to 1001 authorized numbers and defining administrators and users, includes an external antenna and Nano SIM slot, COM NC NO relay output with configurable pulse time.

Integrated solution for IoT projects with 4G connectivity and external load control, based on STM32F103 and Air780E LTE Cat.1 bis module with AT firmware and low idle power consumption. Includes two 5V relays controlled from PA4 and PA5, flip-up Nano SIM slot with 4G antenna and network status LED. Simple 5V power supply via USB Type-C or KF128 terminal, easy programming via SWD or USART.

Compact solution for the automatic stopping of a task after a set time, operates at 12 VDC and uses delay-off timing, the relay engages immediately on power-up and disengages after 0-60 s adjustable from the potentiometer. 10A relay for controlling lighting, fans, or pumps, integrated LED for relay status, compact dimensions for easy installation.

Ensures efficient cooling of single-phase 10-25A SSR relays, quickly absorbing heat and dissipating it passively through the fins, for stable operation and a longer service life. It mounts directly on the relay with a 49 mm attachment, has a 60x50 mm contact plate, and is easily fixed on a 35 mm DIN rail or on a panel, with a lightweight aluminum construction.