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 outputs | 1 |
| number of outputs, heating | 1 |
| number of outputs, cooling | 0 |
| number of control ranges | 1 |
| heating display | No |
| actual temperature display | No |
| temperature controller version | room thermostat |
| output signal | switching (230 V AC, 50 Hz) |
| external setting | Yes |
| operation | rotary knob |
| operating voltage | 230 V AC / 50 Hz |
| width | 78mm |
| design | Berlin 1000 |
| display | No |
| ECO function (reduction) | No |
| electric connection | screw terminals |
| electronic control | No |
| energy efficiency class | I |
| with explosion protection | No |
| colour | reinweiß |
| RAL colour number (similar) | 9010 |
| sensor element | bimetal |
| height | 78,5mm |
| internal setting | No |
| bearing temperature, upper value | 70°C |
| bearing temperature, lower value | -20°C |
| maximum air humidity (non-condensing) | 95% r.H |
| housing material | plastic ABS |
| maximum power consumption | < 0.25 W |
| maximum switching voltage | 230 V AC, 50 Hz |
| maximum switching current | 20 mA |
| mechanical range reduction | Yes |
| medium | air, not aggressive |
| minimum switching voltage | 230 V AC / 50 Hz |
| minimum switching current | 5 mA |
| mounting / attachment | surface mounting |
| surface properties | gloss |
| test mark approval | CE |
| control range, upper value | 30°C |
| control range, lower value | 5°C |
| heating control function | Yes |
| cooling control function | No |
| control behaviour | 2-point |
| switching difference | approx. 0.5 K (delta T max. 4 K/h) |
| switching difference, can be adjusted | No |
| switching element | bimetal contact |
| On / Off switch | No |
| heating / cooling switch | No |
| switching contact | NC contact |
| potential free switching contact | No |
| switching power | 4.6 W |
| type of protection | IP30 |
| protection class | II, following appropriate mounting |
| sensor external | No |
| Safety and EMC | in accordance with DIN EN 60730 |
| scale | numerical scale *…6 |
| thermal feedback | Yes |
| depth | 13,9mm |
| ambient temperature, upper value | 30°C |
| ambient temperature, lower value | 0°C |
| assembly | complete device |
| Circuit diagram | |
| Photo | Type | Articlenumber | Features | Kind |
|---|---|---|---|---|
 | ET-01 | MA990000 | Adjustment knob for devices in B1000 series, degrees Celsius scale, pure white, gloss | Spare part |
 | JZ-21 | MN990006 | Adapter frame for device in Berlin 1000 series | Accessories |
 | ZBOOA-010.100 | H9100010 | Heating valve actuator, 230V AC, closed when de-energised | Accessories |
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