• 25 and 40A AC load current

  • 320V AC or 480V AC load voltage

  • 8-30V AC/DC input voltage

  • LED status indicator for input voltage

  • Zero-cross switching

  • Applicable for three phase loads

  • Built-in varistor protection

  • CE marked according to European Norms


Environmental Conditions
Ambient/Storage Temperature-25...60 ºC / -30...100 ºC
Relative Humidity90% relative humidity for temperatures up to 20 °C, decreasing linearly to 50% at 40 °C
Protection DegreeAccording to EN 60529 IP20
HeightMax. 1000m
Electrical Characteristics
Input Voltage8-30V AC/DC
Pick-up Voltage>6V AC/DC
Drop-out Voltage˂2V AC/DC
Input Current˂17mA AC/10mA DC
Turn-on TimeMax. ½ Period
Turn-off TimeMax. ½ Period
LED IndicatorIf the input voltage ˃6V AC/DC then LED lit
Load Current (Arms)ERDA1-225Z: 25
ERDA1-240Z: 40
ERDA1-425Z: 25
ERDA1-440Z: 40
Load Voltage (Vrms)ERDA1-225Z and ERDA1-240Z: 24-320
ERDA1-425Z and ERDA1-440Z: 50-480
Frequency (Hz)50-60
Mounting MethodTH35 rail mounting
DimensionsERDA1-225Z and ERDA1-425Z: W24xYH84xD97 mm
ERDA1-240Z and ERDA1-440Z: W30xYH84xD115 mm
WeightERDA1-225Z and ERDA1-425Z: 203g (after packaging)
ERDA1-240Z ve ERDA1-440Z: 280g (after packaging)
Enclosure MaterialSelf extinguishing plastics
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