SONOFF MINI-ZBD Smart Zigbee Dry Contact Switching Module

16,50 €
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The compact SONOFF MINI-ZBD smart switching module with a dry, potential-free contact makes it easy to automate garage doors, irrigation systems, valves, heat pumps and other compatible devices. It communicates via Zigbee 3.0, functions as a Zigbee router and supports integration with eWeLink, Home Assistant and selected platforms through a compatible Matter Bridge hub.

The SONOFF MINI-ZBD is an intelligent Zigbee relay with a dry contact. It does not supply voltage to the controlled circuit itself, but only switches it on or off. The NO / COM / NC outputs provide flexibility when connecting devices such as garage door operators, solenoid valves, irrigation systems, SG Ready heat pumps or low-voltage motors.

Thanks to Zigbee 3.0 communication, the module provides a fast and stable response with low power consumption. It also functions as a Zigbee router, allowing it to extend the range of the mesh network and improve the connection between more distant devices. In Home Assistant, it supports Zigbee Binding for a direct local connection with a compatible Zigbee button or sensor, enabling control without dependence on an automation server.

Time schedules and automation scenes can be created in the eWeLink and Home Assistant apps. The Detach Relay function is also available, separating the operation of the physical switch from the relay itself—the switch can then serve, for example, as an automation trigger. The range of functions may vary depending on the platform and hub used.

  • Compact dimensions for installation in confined spaces
  • Power supply: 100–240 V AC or 12–48 V DC
  • 4 kV surge resistance and a service life of up to 20,000 cycles
  • Compatible with eWeLink and Home Assistant; Apple Home, Amazon Alexa and SmartThings require a compatible Matter Bridge hub

The package includes the SONOFF MINI-ZBD module, user manual and original manufacturer's packaging.

Specifications

Manufacturer
SONOFF
Model
MINI-ZBD
Device type
Smart module with dry contact
Communication protocol
Zigbee 3.0 (IEEE 802.15.4)
MCU chip
EFR32MG21
AC power supply
100–240 V~, 50/60 Hz, max. 0.1 A
DC power supply
12–48 V⎓, max. 1 A
Maximum load
24 V⎓ / 2 A for resistive loads or 12/24 V DC motors up to 8 W
Contact type
NO / COM / NC, dry contact
Zigbee router function
Yes
Zigbee Binding function
Yes, in Home Assistant
Relay detachment function
Yes, in eWeLink and Home Assistant
Control according to schedules and scenes
Yes
Housing material
PC
Colour
White
Dimensions
41 × 43 × 21.5 mm
Weight
35.3 g
Recommended conductor cross-section
0.75–1.5 mm² (18–14 AWG)
Operating temperature
-10 °C to 40 °C
Operating humidity
5–95% RH, non-condensing
Maximum operating altitude
2,000 m above sea level
Surge resistance
4 kV
Relay service life
20,000 cycles
Pollution degree
II
16,50 €