Przekaźnik prądu upływu X48DL3 typu A-F
Przekaźnik prądu upływu X48DL3 typu A-F
Przekaźnik prądu upływu X48DL3 typu A-F
Przekaźnik prądu upływu X48DL3 typu A-F

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Hersteller: FRER

Typ A, F Erdschlussrelais – X48DL3

X48DL3 - Type A-F Earth Leakage Relay distinguished by compact 48 x 48 mm size.

The earth leakage relays of the X...DL3 series are designed for intuitive and automatic detection of leakage currents. The special feature of these relays is that they allow continuous and immediate monitoring of the insulation status via the multi-coloured display.



Main functions

  • Continuous digital indication of the leakage current: total RMS, AC fundamental, AC high frequency
  • Storing of the intervention current values
  • Internal clock and storage of the last 10 events
  • RS485 Modbus RTU for measurements, event archive, scope
  • Selectable antifibrillation filter with fire protection 300mA
  • Selectable 3rd harmonic filter
  • Double threshold: total RMS and DC component
  • AC measurements up to 10kHz



Technical data

Parameter Value
Display Multicolor backlight LCD
Display maximum indication 3 digits
Dot point position Automatic
Bargraph 10 levels
Residual current measurement IΔ Type AC, A, F - TRMS
Display refresh 500ms (average value)
Measurement bandwidth DC; 2,5Hz – 10kHz
Base precision ±0,5%
Antifibrillation LPF IEC 62423, VDE 0664-T-100
3rd harmonic LPF Attenuation 88% @ 150Hz
IΔN current range 30mA – 30A
Trip contact SPDT (COM, NO, NC)
Nominal load 6A, 250VAC AC1; 6A, 24VDC DC1
Safety Standard (ND) or positive (NE)
Operating temperature 0…+50˚C
Protection degree IP20 / IP52
Insulation and safety According to EN 60947-2, EN62423



Additional technical data

Parameter Value
Automatic sensor connection test Voltage pulse
Alarm (optional) SPST (COM, NO)
Alarm setting OFF, 5-100% IΔN
Activation delay 20ms-30s
Release delay LATCH - 20ms – 30s
PhotoMOS nominal load 100mA, 250VAC/DC (CAT II) – 150VAC/DC (CAT III) 350VPK-PK (including overvoltage)
Safety Standard (ND) or positive (NE)
Test-Reset Input (optional) Command > 2s
Voltage presence, HV option 50 - 275VAC/DC (to be specified)
Modbus RTU (optional) RS485 insulated, A+, B-, GND (optional)
Transfer rate 9600, 19200, 38400, 57600 bit/s
Programmable parameters Parity and Stop bits
Programmable address 1 – 247
Scope function 120 samples (12bit), with amplitude and time scales
Real Time Clock (optional) RTC with Battery backup
Archive event store Last 10 events, with timestamp



Ordering codes X48DL3

Type ordering X 48 D L 3 _ _ _ _ _ _ _ _
Current range: 30mA ÷ 30A Fn 50-60Hz 0 3 0
300mA ÷ 300A Fn 50-60Hz 3 0 0
30mA ÷ 30A Fn 400Hz Q 3 0
300mA ÷ 300A Fn 400Hz Q 3 C
Options Test Reset input R 1 0
Test Reset input + Photo-mos Alarm R 1 L
RS485 Modbus RTU + Photo-mos Alarm M 1 L
RS485 Modbus RTU + Test Reset input B 1 0
Test Reset input (HV) + Relay Alarm H 1 1
TCS Alarm TCS
Supply voltage 230VAC ±10%; 3VA 2
20–60V AC/DC <4VA/2,5W L
80–260V AC/DC <6,5VA/2,5W H
Real Time Clock No
Yes C



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X48DL3 - Type A-F Earth Leakage Relay distinguished by compact 48 x 48 mm size.

The earth leakage relays of the X...DL3 series are designed for intuitive and automatic detection of leakage currents. The special feature of these relays is that they allow continuous and immediate monitoring of the insulation status via the multi-coloured display.



Main functions

  • Continuous digital indication of the leakage current: total RMS, AC fundamental, AC high frequency
  • Storing of the intervention current values
  • Internal clock and storage of the last 10 events
  • RS485 Modbus RTU for measurements, event archive, scope
  • Selectable antifibrillation filter with fire protection 300mA
  • Selectable 3rd harmonic filter
  • Double threshold: total RMS and DC component
  • AC measurements up to 10kHz



Technical data

Parameter Value
Display Multicolor backlight LCD
Display maximum indication 3 digits
Dot point position Automatic
Bargraph 10 levels
Residual current measurement IΔ Type AC, A, F - TRMS
Display refresh 500ms (average value)
Measurement bandwidth DC; 2,5Hz – 10kHz
Base precision ±0,5%
Antifibrillation LPF IEC 62423, VDE 0664-T-100
3rd harmonic LPF Attenuation 88% @ 150Hz
IΔN current range 30mA – 30A
Trip contact SPDT (COM, NO, NC)
Nominal load 6A, 250VAC AC1; 6A, 24VDC DC1
Safety Standard (ND) or positive (NE)
Operating temperature 0…+50˚C
Protection degree IP20 / IP52
Insulation and safety According to EN 60947-2, EN62423



Additional technical data

Parameter Value
Automatic sensor connection test Voltage pulse
Alarm (optional) SPST (COM, NO)
Alarm setting OFF, 5-100% IΔN
Activation delay 20ms-30s
Release delay LATCH - 20ms – 30s
PhotoMOS nominal load 100mA, 250VAC/DC (CAT II) – 150VAC/DC (CAT III) 350VPK-PK (including overvoltage)
Safety Standard (ND) or positive (NE)
Test-Reset Input (optional) Command > 2s
Voltage presence, HV option 50 - 275VAC/DC (to be specified)
Modbus RTU (optional) RS485 insulated, A+, B-, GND (optional)
Transfer rate 9600, 19200, 38400, 57600 bit/s
Programmable parameters Parity and Stop bits
Programmable address 1 – 247
Scope function 120 samples (12bit), with amplitude and time scales
Real Time Clock (optional) RTC with Battery backup
Archive event store Last 10 events, with timestamp



Ordering codes X48DL3

Type ordering X 48 D L 3 _ _ _ _ _ _ _ _
Current range: 30mA ÷ 30A Fn 50-60Hz 0 3 0
300mA ÷ 300A Fn 50-60Hz 3 0 0
30mA ÷ 30A Fn 400Hz Q 3 0
300mA ÷ 300A Fn 400Hz Q 3 C
Options Test Reset input R 1 0
Test Reset input + Photo-mos Alarm R 1 L
RS485 Modbus RTU + Photo-mos Alarm M 1 L
RS485 Modbus RTU + Test Reset input B 1 0
Test Reset input (HV) + Relay Alarm H 1 1
TCS Alarm TCS
Supply voltage 230VAC ±10%; 3VA 2
20–60V AC/DC <4VA/2,5W L
80–260V AC/DC <6,5VA/2,5W H
Real Time Clock No
Yes C



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