Kompaktowy przekaźnik prądu upływu typu A – X72DSX
Kompaktowy przekaźnik prądu upływu typu A – X72DSX
Kompaktowy przekaźnik prądu upływu typu A – X72DSX
Kompaktowy przekaźnik prądu upływu typu A – X72DSX

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Производител: FRER

Компактно реле за утечка към земя тип A – X72DSX

X72DSX is a compact earth leakage relay of Typu A measuring 72 x 72 mm.

Residual current relays of the X…DSX series Type A provide precise detection of AC and pulsating DC leakage currents up to 30 A. They allow TRMS measurement, adjustment of the trip threshold and time delay, as well as continuity test of the connection with the current transformer.



Main functions

  • Wide range of tripping currents and delays to ensure the necessary selectivity to keep part of the system in operation.
  • Three ranges of current tripping and delay to increase setting accuracy.
  • Continuous monitoring of the connection with the toroidal transformer measured on the windings, with a warning message displayed in case of negative result.
  • Manual or automatic reset selection.
  • Inputs for remote reset.



Technical data

Parameter Value
Current setting range 25mA...25A (3 ranges)
Current accuracy +0/-20% from 20% to 100% f.s.
Delay setting range 0,1...5 sec (3 ranges)
Delay accuracy ±10% of the set value
Operating frequency 47...63Hz
Third harmonic filter Attenuation 88% @ 150Hz
Operation characteristic Type A according to IEC775
Toroid connection test Continuous
Trip contact SPDT, 5A 250Vac
Alarm contact N.E. - N.D. selectable
Operating temperature 0...+50°C, U.R./R.H. <90% n.c.
Storage temperature -20...+70°C
Insulation 2kV 50Hz, 1 min.
Connections faston 6,3 x 0,8 mm
Self estinguishing thermoplastic material UL 94V0
Housing protection degree IP40
Terminals protection degree IP20
According to IEC 60947-2



Ordering codes for X72DSX:

Type Product code
115–230 VAC X72DSX025X21S
20-60VAC/DC X72DSX025X21L
80–260 VAC/DC X72DSX025X21H



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X72DSX is a compact earth leakage relay of Typu A measuring 72 x 72 mm.

Residual current relays of the X…DSX series Type A provide precise detection of AC and pulsating DC leakage currents up to 30 A. They allow TRMS measurement, adjustment of the trip threshold and time delay, as well as continuity test of the connection with the current transformer.



Main functions

  • Wide range of tripping currents and delays to ensure the necessary selectivity to keep part of the system in operation.
  • Three ranges of current tripping and delay to increase setting accuracy.
  • Continuous monitoring of the connection with the toroidal transformer measured on the windings, with a warning message displayed in case of negative result.
  • Manual or automatic reset selection.
  • Inputs for remote reset.



Technical data

Parameter Value
Current setting range 25mA...25A (3 ranges)
Current accuracy +0/-20% from 20% to 100% f.s.
Delay setting range 0,1...5 sec (3 ranges)
Delay accuracy ±10% of the set value
Operating frequency 47...63Hz
Third harmonic filter Attenuation 88% @ 150Hz
Operation characteristic Type A according to IEC775
Toroid connection test Continuous
Trip contact SPDT, 5A 250Vac
Alarm contact N.E. - N.D. selectable
Operating temperature 0...+50°C, U.R./R.H. <90% n.c.
Storage temperature -20...+70°C
Insulation 2kV 50Hz, 1 min.
Connections faston 6,3 x 0,8 mm
Self estinguishing thermoplastic material UL 94V0
Housing protection degree IP40
Terminals protection degree IP20
According to IEC 60947-2



Ordering codes for X72DSX:

Type Product code
115–230 VAC X72DSX025X21S
20-60VAC/DC X72DSX025X21L
80–260 VAC/DC X72DSX025X21H



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