Creasol DomBus33 - Smart light controller, with 3 relay outputs, 3 AC inputs, 5 I/Os

DomBus33 is a DIN-RAIL module, 54mm wide, designed to control an existing lighting system with 3 lights using 115/230V pushbuttons and step-by-step relays .

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DomBus33 has 3 relay outputs , that can be used to send pulses to existing step-by-step relay coils to switch lights ON/OFF, 3 AC inputs to be connected to the step-by-step relay contact to know the ON/OFF light status, and 5 low-voltage I/Os that can be connected to additional pushbuttons and/or switches to activate/deactivate single lights, or activate/deactivate all lights (useful to turn all lights OFF when leaving home).
In this way lights can be controlled by both existing pushbuttons and domotic controller (smartphone, web interface, automation, scenes, groups).

To simplify wiring, the terminal block has 3 terminals for relays, 3 for AC inputs, and 1 terminal for the common (usually Neutral, but Line can be used as well): in this way it's easier and faster to connect the module to the light system. Please take care to connect only loads that are protected by the same RCCB (circuit breaker) .

As other DomBus modules, all ports can be configured in many different ways , and also this module supports DCMD, commands sent to the same or other modules to perform simple actions, that permit to achieve high reliability ( DCMD commands work even if domotic controller is not operational ) and easy programming ( don't need to create automations in the domotic controller, just configure DomBus ports to perform actions on events ). Last, but not least, as other DomBus modules it's optimized to get low power consumption , less than 10mW normally (0.75mA @13.6V) and less than 150mW when all relays are ON (10mA @13.6V).

• 3 relay outputs, 250Vac 5A max, with overvoltage protection (varistors)
• 3 AC inputs, 110-230V, to monitor voltage on loads
• 1 common (Neutral or Line) for both relays and AC inputs, to simplify connections
• 5 programmable I/Os
• 8-25Vdc power supply
• 10mW power consumption
• 150mW max power consumption
• 52x89x65mm