MAXinBOX 24.  KNX multifunction actuator - 24 outputs 16A
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MAXinBOX 24. KNX multifunction actuator - 24 outputs 16A

Product code: ZIO-MB24
KNX Multifunction actuator for DIN rails (12 units) that offers multiple configurations of up to 12 shutter channels, up to 24 independent outputs of 16A (capacitive loads supported) and up to 6 blocks of 2-pipes fan coil controller. It allows manual control of its outputs thanks to the push buttons on the cover. LED indicators can show the status of its outputs. It includes 30 independent logical functions to enlarge the versatility of the automations in KNX system. Accessories: AC/DC shutter adapters.
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  • 6 configurable blocks:

    • Shutter channels (up to 12).
    • Individual outputs (up to 24).
    • 2-pipe fan coil control (up to 6 fan coils).
  • Manual output operation with push button and LED status indicator.
  • Suitable for capacitive loads, maximum 140 μF.
  • Possibility of connecting different phases in adjoining outputs.
  • 30 logic functions.
  • Total data saving on KNX bus failure.
  • Integrated KNX BCU.
  • Dimensions 69 x 96 x 210mm (12 DIN units).
  • DIN rail mounting (EN 50022), through pressure.
  • Conformity with the CE directives (CE-mark on the right side).

Technical Details


General System Specifications

  • KNX Power Supply: 29VDC
  • KNX Current Consumption: 3.92mA @ 29VDC, 10mA @ 24VDC
  • Operating temperature: 0 °C to 45 °C
  • Assembly: Independent control assembly device to be mounted inside of electrical panels with DIN rail (EN 50022).
  • Response to Bus Voltage Failure: Data saving and relay status change according to parameterization.
  • Response to bus failure recovery: Data recovering and output status change according to parameterization 
  • Operation indication:  Programming LED indicates programming mode (red) and test mode (green). Output status LED indicators reflect current output state.


  • Contact type: Potential free outputs through bistable relays with tungsten pre-contact.
  • Disconnection type: Micro-disconnection
  • Rated current by output: 16(6)A * 250V AC (4000 VA), 16(6)A * 30V DC (480W)
  • Max Current per Block: 40A
  • Max Power per output - Resistive Load:  4000W
  • Max Power per output - Inductive Load: 1500VA
  • Maximum inrush current : 800A/200μs (fluorescent lamps), 165A/20ms (resistive lamps)
  • Connection type: Cable screw terminal
  • Recommended Cable Section: 0.5mm2 to 4mm2
  • Maximum Response Time:  50ms
  • Expected Life - Mechanical: 3 million operations (60cpm)
  • Expected Life - Electrical: 100.000 cycles (6cpm with resistive load)



Technology KNX
Mounting DIN Rail
Operating voltage KNX Bus (29VDC)
Outputs 24
Output Type Switching
IP rating IP20
Mounting Width 12MW

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