• 40-50-70A AC load current

  • 280V AC, 480V AC or 500V AC load voltage

  • 0/4-20mA, 0/1-5V DC, 0/2-10V DC or 1kΩ ~ 10kΩ potentiometer input

  • 4 digits LED display

  • Phase angel or zero-cross controlled

  • Soft Start or Kick Start functions

  • Overheat alarm output

  • Varistor protection for peak voltages

  • RS485 ModBus communication feature (order option)

  • 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
Supply90-250V AC, 50/60Hz
Input Signal0/4-20mA, 0/1-5V DC, 0/2-10V DC or 1kΩ ~ 10kΩ potentiometer (device may be damaged at ±12V DC and above voltages)
Transmission Signal>0.2mA (mA for input), >0.08V (V for input)
Drop-out Signal<0.18mA (mA for input),<0.075V (V for input)
Turn-on Time15ms
Dynamic Input Impedance<100ohm (mA for input), >10kohm (V for input)
ProtectionAvailable against cross-connection of input signal
Load Current (Arms)ERPA1-240-F: 40
ERPA1-440-F: 40
ERPA1-550-F: 50
ERPA1-570-F: 70
Load Voltage (Vrms)ERPA1-240-F: 180-280
ERPA1-440-F: 180-480
ERPA1-550-F ve ERPA1-570-F: 180-500
Frequency (Hz)50-60
Power Factor (CosΦ)>0.75
Alarm Output250V AC, 3A select program (NO or NC)
Mounting MethodTH35 rail mounting
DimensionsERPA1-x40-F and ERPA1-550-F: W46xH110xD117 mm
ERPA1-570-F: W79xH120xD132 mm
WeightERPA1-x40-F and ERPA1-550-F: 450g (after packaging)
ERPA1-570-F: 550g (after packaging)
Enclosure MaterialSelf extinguishing plastics