Room thermostat, surface-mounted super flat, 5…30…°C, 230V AC, NC contact, 2-wire connection

RTBSB-201.500

Room thermostat, surface-mounted super flat, 5…30…°C, 230V AC, NC contact, 2-wire connection

Suitable for hot water heating systems. The device has been developed for 2-wire installation (operating and switching current input, heating output) and does not require a neutral conductor.
Product inquiry
  • Art.-Nr.: MA304000

    Technical data

    number of outputs1
    number of outputs, heating1
    number of outputs, cooling0
    heating displayNo
    temperature controller versionroom thermostat
    output signalswitching (230 V AC, 50 Hz)
    external settingYes
    operationrotary knob
    operating voltage230 V AC / 50 Hz
    width78mm
    designBerlin 1000
    maximum power consumption< 0.25 W
    ECO function (reduction)No
    electric connectionscrew terminals
    energy efficiency classI
    with explosion protectionNo
    colourpure white
    RAL colour number (similar)9010
    sensor elementBimetall
    height78,5mm
    internal settingNo
    bearing temperature, upper value70°C
    bearing temperature, lower value-20°C
    maximum air humidity (non-condensing)95% r.H
    housing materialplastic ABS
    maximum switching voltage230 V AC, 50 Hz
    maximum switching current20 mA
    mechanical range reductionYes
    mediumair, not aggressive
    minimum switching current5 mA
    minimum switching voltage230 V AC / 50 Hz
    mounting / attachmentsurface mounting
    surface propertiesgloss
    test mark approvalCE
    control range, upper value30°C
    control range, lower value5°C
    heating control functionYes
    cooling control functionNo
    control behaviour2-point
    switching differenceapprox. 0.5 K (delta T max. 4 K/h)
    switching elementbimetal contact
    On / Off switchNo
    heating / cooling switchNo
    switching contactNC contact
    potential free switching contactNo
    switching power4.6 W
    type of protectionIP30
    protection classII, following appropriate mounting
    EMC safetyin accordance with DIN EN 60730
    scalenumerical scale *…6
    thermal feedbackYes
    depth13,9mm
    ambient temperature, upper value30°C
    ambient temperature, lower value0°C
    type of wiring2-strand
    Circuit diagramMA304000 Circuit diagram

    Downloads

    Instructions

    PhotoTypeArticlenumberFeaturesKind
    ET-01MA990000Adjustment knob for devices in B1000 series, degrees Celsius scale, pure white, glossSpare part
    JZ-21MN990006Adapter frame for device in Berlin 1000 seriesAccessories
    ZBOOA-010.100H9100010Heating valve actuator, 230V AC, closed when de-energisedAccessories
    VOORL-318.008DA490000Terminal strip, H/C changeover via external contact, max. 8 room thermostats and 32 valve actuators, IP20Accessories
    VOORL-215.008DA490100Terminal strip, H/C changeover via external contact, max. 5 room thermostats and 20 valve actuators, IP20Accessories
    VOORL-318.052DA490200Terminal strip, H/C changeover via external contact, pump logic, max. 8 room thermostats and 32 valve actuators, IP20Accessories
    VOORL-215.052DA490300Terminal strip, H/C changeover via external contact, pump logic, max. 5 room thermostats and 20 valve actuators, IP20Accessories
     

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