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Earth Leakage Relays

 BZCTR Rectangular Toroids now added.....

Earth Leakage Relays
Section available
in PDF format.
Click here to view...		 Earth Leakage Relays - We design and manufacture a number of multi function Earth Leakage Relays:

earth leakage relay; earth fault relay; ground fault relay;ground fault protection; core balance transformer; toroids.

These Earth Leakage Relays are supplied with various mountings:
  • The ELRM44 series with DIN rail mounting
  • The ELRP48 series 48 x 48 Panel mounting
  • The ELRV series DIN rail mounting
  • The ELR-IF series either DIN rail or surface mounting
  • The ELRF series with with DIN rail mounting
  • The Circular and Rectangular Toroid series
See below for our complete range of Earth Leakage Relay products.

Display: [All | New | Home] Scroll to right to see all products. Click in title area to view PDF file if available.

ELRM44 Series   DIN Rail Mtg
Click to enlarge
Earth Leakage Relays
ELRM44V-30
Click to enlarge
Earth Leakage Relays
ELRM44F

DIMS: (mm) H.85 W.44 D63.5
Type No
Earth Leakage Relays ELRM44V-30 New Product
Earth Leakage Relays ELRM44F-0300 New Product
Earth Leakage Relays ELRM44F-0100 New Product
Earth Leakage Relays ELRM44F-0030 New Product
Description Earth Leakage Relay Earth Leakage Relay Earth Leakage Relay Earth Leakage Relay
Function Variable - Type A (True R.M.S.) Fixed - Type A (True R.M.S.) Fixed - Type A (True R.M.S.) Fixed - Type A (True R.M.S.)
Supply voltage Un 12 - 125V DC, 24, 115/230V, 400VAC 50/60Hz 12 - 125V DC, 24, 115/230V, 400VAC 50/60Hz 12 - 125V DC, 24, 115/230V, 400VAC 50/60Hz 12 - 125V DC, 24, 115/230V, 400VAC 50/60Hz
Sensitivity IDn 30, 100, 300, 500mA, 1, 3, 5, 10, 20, 30A (selectable) 300mA 100mA 30mA
Range 0 - 30A - - -
Time delay inst., 0.06, 0.15, 0.25, 0.5, 0.8, 1, 2.5, 5, 10sec. (selectable) inst. (<25mS when fault current @ 5 x IDn) inst. (<25mS when fault current @ 5 x IDn) inst. (<25mS when fault current @ 5 x IDn)
LED indication Power On indication (Green) Power On indication (Green) Power On indication (Green) Power On indication (Green)
  Tripped indication (Red) - LED flashes during toroid open circuit Tripped indication (Red) - LED flashes during toroid open circuit Tripped indication (Red) - LED flashes during toroid open circuit Tripped indication (Red) - LED flashes during toroid open circuit
  LED Bargraph showing leakage current (25, 50 and 75% of IDn) - - -
Test/Reset facility Local and Remote Local and Remote Local and Remote Local and Remote
Output 1 x SPDT (S.O.)/ 1 x SPNO (P.S.O.) 1 x SPDT (S.O.) 1 x SPDT (S.O.) 1 x SPDT (S.O.)
Output rating 8A @ 250VAC (AC1) - S.O. 6A @ 250V AC (AC1) - P.S.O. 8A @ 250VAC (AC1) 8A @ 250VAC (AC1) 8A @ 250VAC (AC1)
50% Fault level output - - - -
Adjustment cover and tamperproof seal Yes No No No
Ratio - - - -
Internal Dimension - - - -
External Dimensions in mm - - - -

ELRP48 Series   48 x 48 Panel mounting
Click to enlarge
Earth Leakage Relays
ELRP48V-30
DIMS: (mm) H.48 W.48 D.76*
(*behind panel)
Type No
Earth Leakage Relays ELRP48V-30 New Product
Description Earth Leakage Relay
Function Variable - Type A (True R.M.S.)
Supply voltage Un 12 - 125V DC, 24, 115V, 230V 50/60Hz
Sensitivity IDn 30, 100, 300, 500mA, 1, 3, 5, 10, 20, 30A (selectable)
Range 0 - 30A
Time delay inst., 0.06, 0.15, 0.25, 0.5, 0.8, 1, 2.5, 5, 10sec. (selectable)
LED indication Power On indication (Green)
  Tripped indication (Red) - LED flashes during toroid open circuit
  LED Bargraph showing leakage current (25, 50 and 75% of IDn)
Test/Reset facility Local and Remote
Output 1 x SPDT (S.O.)/ 1 x SPNO (P.S.O.)
Output rating 8A @ 250VAC (AC1) - S.O., 6A @ 250V AC (AC1) - P.S.O.
50% Fault level output -
Adjustment cover and tamperproof seal Yes
Ratio -
Internal Dimension -
External Dimensions in mm -

ELRV Series   DIN Rail Mtg
Click to enlarge
Earth Leakage Relays
ELRV-10
Click to enlarge
Earth Leakage Relays
ELRV-30

DIMS: (mm) H.85 W.70 D.63.5
Type No
Earth Leakage Relays ELRV-30 New Product
ELRV-10
Description Earth Leakage Relay Earth Leakage Relay
Function Variable - Type A (True R.M.S.) Variable - Type A
Supply voltage Un 10 - 60V DC
24, 115, 230, 400V AC 50/60Hz		 220/240V AC 50/60Hz
Sensitivity IDn 18 settings ranging from 6mA to 30A 30, 50, 75, 100mA (selectable)
Range mA and Amps x1, x10, x100 (selectable)
Time delay 8 settings ranging from inst. to 10 seconds inst., 50, 250, 500mS
LED indication Tripped indication Tripped indication
  LED display for indicating user Bargraph indicating
  settings and leakage current % leakage current
Test/Reset facility Local and Remote Local and Remote
Output 2 x SPDT Relays 2 x SPDT Relays
Output rating 8A @ 250VAC (AC1) 8A @ 250V AC
50% Fault level output 10W max. up to 240V max. 10W max. @ Un
Adjustment cover and tamperproof seal Yes Yes
Ratio - -
Internal Dimension -
Now Discontinued
External Dimensions in mm -
See ELRM44V-30 or ELRV-30

ELR-IF Series   DIN Rail & Surface Mtg
Click to enlarge
Earth Leakage Relays
ELR-IF
DIMS: (mm) H.110 W.70 D.37
Type No
Earth Leakage Relays ELR-IF-0300 New Product
Earth Leakage Relays ELR-IF-0100 New Product
Earth Leakage Relays ELR-IF-0030 New Product
Description Earth Leakage Relay with Internal Toroid Earth Leakage Relay with Internal Toroid Earth Leakage Relay with Internal Toroid
Function Fixed - Type A (True R.M.S.) Fixed - Type A (True R.M.S.) Fixed - Type A (True R.M.S.)
Supply voltage Un 120V, 240V AC 50/60Hz 120V, 240V AC 50/60Hz 120V, 240V AC 50/60Hz
Sensitivity IDn 300mA 100mA 30mA
Range - - -
Time delay 100mS 100mS inst. (<25mS when fault current @ 5 x IDn)
LED indication Power On indication (Green) Power On indication (Green) Power On indication (Green)
  Tripped indication (Red) - LED flashes if fault current >50% of IDn Tripped indication (Red) - LED flashes if fault current >50% of IDn Tripped indication (Red) - LED flashes if fault current >50% of IDn
  - - -
Test/Reset facility Local only Local only Local only
Output 1 x SPDT (S.O.) 1 x SPDT (S.O.) 1 x SPDT (S.O.)
Output rating 5A @ 250VAC (AC1) 5A @ 250VAC (AC1) 5A @ 250VAC (AC1)
50% Fault level output - - -
Adjustment cover and tamperproof seal No No No
Ratio - - -
Internal Dimension 25mm dia. intergral toroid 25mm dia. intergral toroid 25mm dia. intergral toroid
External Dimensions in mm - - -

ELRF Series   DIN Rail Mtg
Click to enlarge
Earth Leakage Relays
DIMS: (mm) H.85 W.70 D.63.5
Type No
ELRF0300
ELRF0100
ELRF0030
Description Earth Leakage Relay Earth Leakage Relay Earth Leakage Relay
Function Fixed - Type A Fixed - Type A Fixed - Type A
Supply voltage Un 110/115V, 220/240V AC 50/60Hz 110/115V, 220/240V AC 50/60Hz 110/115V, 220/240V AC 50/60Hz
Sensitivity IDn 300mA 100mA 30mA
Range - - -
Time delay inst. inst. inst.
LED indication Tripped indication Tripped indication Tripped indication
  - - -
  - - -
Test/Reset facility Local only Local only Local only
Output SPDT Relay SPDT Relay SPDT Relay
Output rating 8A @ 250V AC 8A @ 250V AC 8A @ 250V AC
50% Fault level output - - -
Adjustment cover and tamperproof seal No No No
Ratio - - -
Internal Dimension
Now Discontinued
Now Discontinued
Now Discontinued
External Dimensions in mm
See ELRM44F-0300
See ELRM44F-0100
See ELRM44F-0030

Circular and Rectangular Toroid
Click to enlarge
Earth Leakage Relays
BZCT Circular Toroids
Click to enlarge
Earth Leakage Relays
BZCTR Rectangular Toroids
Type No
Earth Leakage Relays BZCT035
Earth Leakage Relays BZCT070
Earth Leakage Relays BZCT120
Earth Leakage Relays BZCT210
Earth Leakage Relays BZCTR115 New Product
Earth Leakage Relays BZCTR150 New Product
Description Circular Toroid 35mm Circular Toroid 70mm Circular Toroid 120mm Circular Toroid 210mm Rectangular Toroid 115mm Rectangular Toroid 150mm
Function 35mm Toroid 70mm Toroid 120mm Toroid 210mm Toroid 115 x 305mm Toroid 150 x 350mm Toroid
Supply voltage Un - - - - - -
Sensitivity IDn - - ELR IDn trip setting must be >100mA ELR IDn trip setting must be >300mA - -
Range - - - - - -
Time delay - - - - - -
LED indication - - - - - -
  - - - - - -
  - - - - - -
Test/Reset facility - - - - - -
Output - - - - - -
Output rating - - - - - -
50% Fault level output - - - - - -
Adjustment cover and tamperproof seal - - - - - -
Ratio 1/1000 1/1000 1/1000 1/1000 1/1000 1/1000
Internal Dimension 35mm 70mm 120mm 210mm 115 x 305mm 150 x 350mm
External Dimensions in mm H.74 W.64 D*.40 *inc mounting feet H.117 W.105 D*.40 *inc mounting feet H.170 W.155 D*.40 *inc mounting feet - H.240 W.402 D.55 H.285 W.460 D.55


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