Ground Fault Systems Catalogue

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Designers and manufacturers of Residual Current Devices (RCD) for Ground Fault Protection and Earth Leakage Detection.

Contact GFS at: info(at)groundfaultsystems.com

Ground Fault Protection Relays

 

 

 

Product Comparison

DGF7-3

DGF7-14

DGF7-18

DGF7-30

DGF7-61

DGF100

GFU20

GFU21

DGF5

c-UL-us

Number of LEDs

2

1

1

2

2

2

2

2

0

Internal sensor

28 mm

28 mm

28 mm

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28 mm

46 mm

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28 mm

Built-in reset/test button

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Tamperproof dipswitches

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Memory after loss of CV

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Ext CS supervision

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C
D --

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Trip inhibit function

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Output device

Relay

Relay

Relay

Relay

Relay

Relay

Breaker

Relay

Relay

Optional:

Display

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Remote reset button

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Remote test button

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DGF7-3

price:€

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Ground Fault Relay DGF7-3 front
  • 24 – 240 V AC or DC Control Voltage.

  • For 45 - 450 Hz power systems.

  • Internal current sensor: 28 mm with 500:1 ratio.

  • Ext CS with wire break/short supervision.

  • Trip points in primary currents for:

Primary current trip points with 500:1 ratio int./ext. sensors:
30 - 60 - 100 - 250 - 375 - 500 mA.
1 - 3 A.
Go to 500:1 ratio external sensors.

Primary current trip points with 1000:1 ratio external sensors:
60 - 120 - 200 - 500 - 750 mA.
1 - 2 - 6 A.
Go to 1000:1 ratio external sensors.

Primary current trip points with 2000:1 ratio external sensors:
120 - 240 - 400 mA.
1 - 1,5 - 2 - 4 - 12 A.
Go to 2000:1 ratio external sensors.

Primary current trip points with 10.000:1 ratio external sensors:
600 mA.
1,2 - 2 - 5 - 7,5 - 10 - 20 - 60 A.
Go to 10.000:1 ratio external sensors.

  • Delay times:
    with Trip Inhibit 20, 100, 300 ms.
    without Trip Inhibit 20, 100, 300, 1000, 3000 ms.

  • Operating modes: Continuous Non-Failsafe, Continuous Failsafe, Pulsed Non-Failsafe, Pulsed Failsafe.

  • Tamperproof dipswitches.

  • Trip Inhibit function.

  • c-UL-us certified.

  • 2 signal LEDs.

  • Memory after loss of Control Voltage.

  • Built-in Reset/Test pushbutton.

  • Optional: external sensor, remote reset button and DGF7 Display.

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DGF7 Display

price:€

Digital Display Unit with LCD display for use with DGF7-3 and DGF7-61 units

  • Door mounted operator interface.

  • Four digit LCD panel.

  • Shows actual G/F current in relative or absolute mode.

  • Auto ranging.

  • Refreshes every 0,5 seconds.

  • Shows current G/F Trip Level setting.

  • Indicates cause of trip using codes.

  • Memory after loss of Control Voltage.

  • Ability to test and reset the conected unit.

  • Ability to test the LCD panel.

  • Actual current reading can be adjusted according to the connected CS ratio.

  • Connected by a single twisted pair of wires.

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DGF7 Display

Digital Display Unit with LCD display for use with DGF7-3 or DGF7-61 units

  • Door mounted operator interface.

  • Four digit LCD panel.

  • Shows actual G/F current in relative or absolute mode.

  • Auto ranging.

  • Refreshes every 0,5 seconds.

  • Shows current G/F Trip Level setting.

  • Indicates cause of trip using codes.

  • Memory after loss of Control Voltage.

  • Ability to test and reset the conected unit.

  • Ability to test the LCD panel.

  • Actual current reading can be adjusted according to the connected CS ratio.

  • Connected by a single twisted pair of wires.

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DGF7-14

price:€

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Ground Fault Relay DGF7-14 front
  • 24 – 240 V AC or DC Control Voltage.

  • For 45 - 450 Hz power systems.

  • Internal current sensor: 28 mm with 500:1 ratio.

  • Trip points in primary currents for:

Primary current trip points with 500:1 ratio int./ext. sensors:
1 - 1,5 - 2 - 2,5 - 4 - 6 - 8 - 10 A.
Go to 500:1 ratio external sensors.

Primary current trip points with 1000:1 ratio external sensors:
2 - 3 - 4 - 5 - 8 - 12 - 16 - 20 A.
Go to 1000:1 ratio external sensors.

Primary current trip points with 2000:1 ratio external sensors:
4 - 6 - 8 - 10 - 16 - 24 - 32 - 40 A.
Go to 2000:1 ratio external sensors.

Primary current trip points with 10.000:1 ratio external sensors:
20 - 30 - 40 - 50 - 80 - 120 - 160 - 200 A.
Go to 10.000:1 ratio external sensors.

  • Delay times: 500, 1000, 1500, 2000, 2500, 5000, 7500, 10.000 ms.

  • Operating modes: Continuous Non-Failsafe, Continuous Failsafe, Pulsed auto reset, Pulsed Non-Failsafe.

  • c-UL-us certified.

  • 1 signal LED.

  • Optional: external sensor, remote reset/test button, remote voltmeter.

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Ground Fault Relay DGF7-14 dimensions

DGF7-18

price:€

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Ground Fault Relay DGF7-18 front
  • 24 – 240 V AC or DC Control Voltage.

  • For 45 - 450 Hz power systems.

  • Internal current sensor: 28 mm with 500:1 ratio.

  • Trip points in primary currents for:

Primary current trip points with 500:1 ratio int./ext. sensors:
30 - 120 - 210 - 300 - 600 mA.
2,4 - 4,2 - 6 A.
Go to 500:1 ratio external sensors.

Primary current trip points with 1000:1 ratio external sensors:
60 - 240 - 420 - 600 mA.
1,2 - 4,8 - 8,4 - 12 A.
Go to 1000:1 ratio external sensors.

Primary current trip points with 2000:1 ratio external sensors:
120 - 480 - 840 mA.
1,2 - 2,4 - 9,6 - 16,8 - 24 A.
Go to 2000:1 ratio external sensors.

Primary current trip points with 10.000:1 ratio external sensors:
600 mA.
2,4 - 4,2 - 6,0 - 12 - 48 - 84 - 120 A.
Go to 10.000:1 ratio external sensors.

  • Delay times:
    20 (instantaneous) and 500 ms.

  • Operating modes: Continuous Non-Failsafe , Pulsed Trip/Auto Reset.

  • c-UL-us certified.

  • 1 signal LED.

  • Optional: External sensor and remote reset/test button.

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Ground Fault Relay DGF7-18 dimensions

DGF7-30

price:€

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Ground Fault Relay DGF7-30 front
  • 24 – 240 V AC or DC Control Voltage.

  • For 45 - 450 Hz power systems.

  • No internal current sensor.

  • Ext CS with wire break/short supervision active on Series C, inactive on Series D.

  • Trip points in primary currents for:

Primary current trip points with 500:1 ratio external sensors:
30 - 100 - 500 mA.
1 - 2 -3 - 5 - 9 A.
Go to 500:1 ratio external sensors.

Primary current trip points with 1000:1 ratio external sensors:
60 - 200 mA.
1 - 2 - 4 - 6 - 10 - 18 A.
Go to 1000:1 ratio external sensors.

Primary current trip points with 2000:1 ratio external sensors:
120 - 400 mA.
2 - 4 - 8 - 12 - 20 - 36 A.
Go to 2000:1 ratio external sensors.

Primary current trip points with 10.000:1 ratio external sensors:
600 mA.
2 - 10 - 20 - 40 - 60 - 100 - 180 A.
Go to 10.000:1 ratio external sensors.

  • Delay times:
    with Trip Inhibit 20, 300 ms.
    without Trip Inhibit 20, 300, 1000, 2000, 3000, 10.000 ms.

  • Operating modes: Continuous Non-Failsafe, Continuous Failsafe, Pulsed Non-Failsafe, Pulsed Failsafe.

  • Tamperproof dipswitches.

  • Trip Inhibit function.

  • c-UL-us certified.

  • 2 signal LEDs.

  • Memory after loss of Control Voltage.

  • Built-in Reset/Test pushbutton.

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Ground Fault Relay DGF7-30 dimensions

DGF100

price:€

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Ground Fault Relay DGF100 front
  • 24 – 240 V AC or DC Control Voltage.

  • For 45 - 450 Hz power systems.

  • Internal current sensor: 46 mm with 500:1 ratio.

  • Trip points in primary currents for:

Primary current trip points with 500:1 ratio int./ext. sensors:
30 - 40 - 60 - 90 - 150 - 250 - 400 - 600 - 900 mA.
1,5 - 2,5 - 4 - 6 - 9 A.
Go to 500:1 ratio external sensors.

Primary current trip points with 1000:1 ratio external sensors:
60 - 80 - 120 - 180 - 300 - 500 - 800 mA.
1,2 - 1,8 - 3 - 5 - 8 - 12 - 18 A.
Go to 1000:1 ratio external sensors.

Primary current trip points with 2000:1 ratio external sensors:
120 - 160 - 240 - 360 - 600mA.
1 - 1,6 - 2,4 - 3,6 - 6 - 10 - 16 - 24 - 36 A.
Go to 2000:1 ratio external sensors.

Primary current trip points with 10.000:1 ratio external sensors:
600 - 800 mA.
1,2 - 1,8 - 3 - 5 - 8 - 12 - 18 - 30 - 50 - 80 - 120 - 180 A.
Go to 10.000:1 ratio external sensors.

  • Delay times: 20, 50, 100, 200, 500, 1000, 2000 and 5000 ms.

  • Operating modes: Continuous Non-Failsafe, Continuous Failsafe, Pulsed Auto Reset, Pulsed Non-Failsafe.

  • c-UL-us certified.

  • 2 signal LEDs.

  • Built-in Reset/Test pushbutton.

  • Optional: external sensor, remote reset/test button and DGF100 Display.

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Ground Fault Relay DGF100 dimensions

DGF100 Display

price:€

Digital Display Unit with LCD display and interconnecting cable, for use with DGF100.

  • Door mounted operator interface.

  • Four digit LCD panel.

  • 2 signal LEDs.

  • Shows actual G/F current.

  • Auto ranging.

  • Trip memory after loss of Control Voltage.

  • Ability to reset the DGF100.

  • Ability to test the DGF100, this mode can be enabled/disabled.

  • Ability to test the LCD panel.

  • Connected by a RJ-10 type connector with 4-wire telephone cable.

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 DGF100 Display

Digital Display Unit with LCD display and interconnecting cable, for use with DGF100.

  • Door mounted operator interface.

  • Four digit LCD panel.

  • 2 signal LEDs.

  • Shows actual G/F current.

  • Auto ranging.

  • Memory after loss of Control Voltage.

  • Ability to reset the DGF100.

  • Ability to test the DGF100, this mode can be enabled/disabled.

  • Ability to test the LCD panel.

  • Connected by a RJ-10 type connector with 4-wire telephone cable.

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Ground Fault Relay DGF100 dimensions

GFU20

price:€

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Ground Fault Relay GFU20 front
  • 110 – 240 V AC or DC Control Voltage.

  • For 45 - 450 Hz power systems

  • No internal current sensor.

  • Ext CS with wire break supervision.

  • Trip points in primary currents for:

Primary current trip points with 500:1 ratio external sensors:
2,5 - 3 - 3,5 - 4 - 4,5 - 5 - 6 - 7 - 8 - 9 - 10 -
12,5 - 15 - 17,5 - 20 - 22,5 - 25 - 27,5 - 30 -
35 - 40 - 45 - 50 - 55 - 60 A.
Go to 500:1 ratio external sensors.

Primary current trip points with 10.000:1 ratio external sensors:
50 - 60 - 70 - 80 - 90 - 100 - 120 -
140 - 160 - 180 - 200 - 250 - 300 -
350 - 400 - 450 - 500 - 550 - 600 -
700 - 800 - 900 - 1000 - 1100 - 1200 A.
Go to 10.000:1 ratio external sensors.

  • Delay times: 25, 65, 100, 130, 160, 190, 225, 255, 375, 500, 625, 750, 875, 1000 ms.

  • Operating modes: Non-Failsafe and Failsafe.

  • Tamperproof dipswitches.

  • Trip Inhibit function.

  • c-UL-us certified.

  • 2 signal LEDs.

  • Memory after loss of Control Voltage.

  • Built-in Reset/Test pushbutton.

  • Output contacts: breaker.

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Ground Fault Relay GFU20 dimensions

500:1 ratio Sensors

 

 

 

Round Sensors

Square Sensors

Top-Hat Sensors

1000:1 ratio Sensors

 

 

 

Round Sensors

Square Sensors

Top-Hat Sensors

2000:1 ratio Sensors

 

 

 

Round Sensors

Square Sensors

Top-Hat Sensors

10.00:1 ratio Sensors

 

 

 

Round Sensors

Top-Hat Sensors

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