• 25-40-50-70A AC load current

  • 320V AC, 480V AC or 500V AC load voltage

  • 4-20 mA input signal

  • LED status indicator for input voltage

  • Zero-cross switching

  • Applicable for three phase loads

  • Built-in varistor protection

  • CE marked according to European Norm


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 Voltage4-20 mA
Pick-up Voltage>4.1 mA
Drop-out Voltage<4.1 mA
Turn-on Time15ms
LED IndicatorLED lits proportional to input signal
ProtectionAvailable against cross-connection of input signal
Dynamic Input Impedance>550ohm
Load Current (Arms)ERCA1-225PA: 25
ERCA1-240PA: 40
ERCA1-425PA: 25
ERCA1-440PA: 40
ERCA1-550PA-F: 50
ERCA1-570PA-F: 70
Load Voltage (Vrms)ERCA1-225PA and ERCA1-240PA: 180-320
ERCA1-425PA and ERCA1-440PA: 180-480
ERCA1-550PA-F and ERCA1-570PA-F: 180-500
Frequency (Hz)50-60
Mounting MethodTH35 rail mounting
DimensionsERCA1-225PA and ERCA1-425PA: W24xH84xD97 mm
ERCA1-240PA and ERCA1-440PA: W30xH84xD115 mm
ERCA1-550PA-F and ERCA1-570PA-F: W46xH100xD124 mm
WeightERCA1-225PA ve ERCA1-425PA: 203g (after packaging)
ERCA1-240PA ve ERCA1-440PA: 280g (after packaging)
ERCA1-550PA-F ve ERCA1-570PA-F: 450g (after packaging)
Enclosure MaterialSelf extinguishing plastics
Please choose your preferred language.
Switch to English