Kompaktowy przekaźnik prądu upływu typu A - X48DSA
Kompaktowy przekaźnik prądu upływu typu A - X48DSA
Kompaktowy przekaźnik prądu upływu typu A - X48DSA
Kompaktowy przekaźnik prądu upływu typu A - X48DSA

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Hersteller: FRER

Kompaktes Erdschlussrelais - X48DSX (Typ A)

Compact Earth Leakage Relay X48DSA (Type A) distinguished by the compact size of 48 x 48 mm.

Residual current relays of the X…DSX series Type A provide precise detection of AC and pulsating DC leakage currents up to 300 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

Relay typeResidual current type A

Parameter Value
Tripping current range IΔn 30 mA – 30 A or 30 A – 300 A (depending on model)
Delay setting range 0,02 s – 5 s (2 ranges)
Residual current measurement TRMS
Third harmonic filter Attenuation 80% @ 150Hz
Operating frequency 47 – 63 Hz
Relay output (TRIP) 2 changeover contacts (DPDT), AC1 8A / 250 VAC
Power supply 115–230 VAC (±5%/–10%) or 20–260 VAC/DC
TEST function By button on the panel (continuous test of connection with the current transformer)
RESET function Manual or automatic (3 tries)
LED TRIP indication Yes (flashing LED only in “L” versions)
Operating temperature 0…+50 °C, relative humidity <90% (non-condensing)
Storage temperature –20…+70 °C
Protection degree – case IP50
Protection degree – front IP52
Protection degree – terminals IP20
Case Self estinguishing thermoplastic material (UL 94-V0)
Measurements (width × height) 48 × 48 mm
Total depth < 60 mm (including clamps)
Weight 150 g
According to IEC 60947-2 (Annex M), IEC 61010-1 CAT III 300 V



Ordering codes for X48DSA:

Type Residual current range Product code Additional functions
115–230 VAC 30 mA – 30 A X48DSA030X20S Trip1 + Trip2 + external RESET
30 A – 300 A X48DSA300X20S
20–260 VAC/DC 30 mA – 30 A X48DSA030X20E
30 A – 300 A X48DSA300X20E
115–230 VAC 30 mA – 30 A X48DSA030L20S Trip1 + Trip2 + external RESET + flashing LED
30 A – 300 A X48DSA300L20S
20–260 VAC/DC 30 mA – 30 A X48DSA030L20E
30 A – 300 A X48DSA300L20E



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Compact Earth Leakage Relay X48DSA (Type A) distinguished by the compact size of 48 x 48 mm.

Residual current relays of the X…DSX series Type A provide precise detection of AC and pulsating DC leakage currents up to 300 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

Relay typeResidual current type A

Parameter Value
Tripping current range IΔn 30 mA – 30 A or 30 A – 300 A (depending on model)
Delay setting range 0,02 s – 5 s (2 ranges)
Residual current measurement TRMS
Third harmonic filter Attenuation 80% @ 150Hz
Operating frequency 47 – 63 Hz
Relay output (TRIP) 2 changeover contacts (DPDT), AC1 8A / 250 VAC
Power supply 115–230 VAC (±5%/–10%) or 20–260 VAC/DC
TEST function By button on the panel (continuous test of connection with the current transformer)
RESET function Manual or automatic (3 tries)
LED TRIP indication Yes (flashing LED only in “L” versions)
Operating temperature 0…+50 °C, relative humidity <90% (non-condensing)
Storage temperature –20…+70 °C
Protection degree – case IP50
Protection degree – front IP52
Protection degree – terminals IP20
Case Self estinguishing thermoplastic material (UL 94-V0)
Measurements (width × height) 48 × 48 mm
Total depth < 60 mm (including clamps)
Weight 150 g
According to IEC 60947-2 (Annex M), IEC 61010-1 CAT III 300 V



Ordering codes for X48DSA:

Type Residual current range Product code Additional functions
115–230 VAC 30 mA – 30 A X48DSA030X20S Trip1 + Trip2 + external RESET
30 A – 300 A X48DSA300X20S
20–260 VAC/DC 30 mA – 30 A X48DSA030X20E
30 A – 300 A X48DSA300X20E
115–230 VAC 30 mA – 30 A X48DSA030L20S Trip1 + Trip2 + external RESET + flashing LED
30 A – 300 A X48DSA300L20S
20–260 VAC/DC 30 mA – 30 A X48DSA030L20E
30 A – 300 A X48DSA300L20E



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