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Earth Fault Relays

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Our extensive range of Series-1 Current & Earth Fault Relays is fabricated with high accuracy standards calibrated with +/-5% accuracy. These can be used with DC aux. supply for protection systems. In addition, to meet the various requirements of our clients, we also custom make these relays.


Technical Specifications:

  • Supply voltage: AC-110V, 230V, 380V, 415V @ 50Hz DC-12V.24V

  • Permissible supply voltage: + 15%

  • Output contacts: 2 C/O Relay (potential free)

  • Switching duty: 6A resistive at 250V AC or 24V DC

  • Electrical life: 105 operation at designed switching duty

  • Relay status: De-energized in normal conditions

  • Signal: From CT- 5A Secondary/Shunt (for DC), CATIII

  • Range: 20% to 120% = (1Ato 6A) For 5A C.T Secondary

  • Time delay: 0 -10 Sec (Settable)

  • Reset: Auto / Manual user selectable

  • Mounting: On any standard mounting channel


Approximate weight:


  • For CR-1= 150 gm

  • For CR-3= 350 gm


Dimension:


  • CR-1: 77 mm (W) x 55 mm (H) X 110 mm (D)

  • CR-3: 112 mm (W) x 55 mm (H) X 110 mm (D)

Technical Data

supply Voltage

- AC-110V,230V,380V,415V @50Hz DC-12V.24V

Permissible supply Voltage

-+15%

Output Contacts

- 2 C/O Relay (potential free)

Switching duty

- 6A resistive at 250V AC or 24V DC

Electrical Life

- 105operation at designed switching duty

Relay Status

- De-energised in normal conditions

Signal

- From CT- 5A Secondary/Shunt (for DC), CATIII

Range

- 20% to 120% = (1Ato 6A) For 5A C.TSecondary

Time Delay

-0- 10Sec (Settable)

Mounting

- on any standard mounting channel

Reset

- User selectable Auto/Manual Reset

Approximate Weight

- For CR-1= 150gm

-For CR-3= 350gm

Dimension

- CR-1:- 77mm(W) x 55mm(H) X 110mm(D)

-CR-3:- 112mm(W) x 55mm(H) X 110mm(D)

Earth Fault Relays

Earth Fault Relays

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Our range of N96 Current & Earth Fault Relays is elegant and compact in design. It is integrated with wireless interiors; setting is done by DIP switches and isCE marked. These relays are quality tested before the final shipment to ensure the safety at client’s end.


Technical Specifications:


  • Supply voltage : AC-110V, 230V,
    380V, 415V /DC-12V, 24V

  • Permissible supply voltage : + 15%,
    -15%

  • Output Contacts : Two change over
    (potential free)

  • Switching Duty : 6A resistive at
    250V AC or 24V DC

  • Electrical Life : 1D operation at
    designed switching duty

  • Relay Status : De-energized in
    normal conditions

  • Signal : From CBCT


Range:


  • A = 15-90% (0.75 to 4.5A for 5A
    CT)

  • B = 20-120% (1.0Ato6.0Afor 5A CT
    Time Delay: 0 -10 Sec

  • Reset: Auto / Manual user
    selectable

  • Mounting: Panel Mounting (FLUSH)
    Cutout=92 X 92 mm

  • Approximate weight: 170 gm

  • Dimension: 96 mm (W) X 96 (H) X 80
    mm (D)

  • Enclosure: ABS Type = N96

  • Operating Temp & RH: -10°C, +55°C up to 80%

Technical Data :

Supply Voltage

- AC-110V,230V,380V,415V / DC-12V,24V

Permissible supply Voltage

-+ 15%,-15%

Output Contacts

- Two change over (potential free)

Switching duty

- 6A resistive at 250V AC or 24V DC

Electrical Life

- 1D operation at designed switching duty

Relay Status

- De-energised in normal conditions

Signal

From core balanced current transformer (CBCT)

Time Delay

- 0 -10Sec

Mounting

- Panel Mounting (FLUSH) CUTOUT=92 X 92mm

Reset

- User selectable Auto/Manual Reset

Approximate Weight

- 170gm

Dimension

- 96mm(W) X 96(H) X 80mm(D)

ENCLOSURE

- ABS Type = N96

Operating Temp & RH:

-10°C, +55°C up to 80%


Earth Fault Relays

Earth Fault Relays

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We provide N45 Current & Earth Fault Relays that is integrated with dynamic 5 LED bar graph status indicator. These micro controllers based true RMS measurement is available with two tripping ranges. These precision engineered and energy efficient relays are highly appreciated among our clients.

Features:

  • Wide power supply range from
    90-270V AC/DC

  • RS 232/485 output-(optional)

  • 0-5V Analog output-(optional)

Technical Specifications:

  • Supply voltage : 90-270V AC/DC

  • Output contacts : Two change over
    (potential free)

  • Switching duty : 6A resistive at
    250V AC or 24V DC

  • Electrical life : 105 operation at designed switching duty


Relay status:

  • Normal - De-energized in
    normal conditions

  • Fail Safe - De-energized in fault conditions


Signal : From CBCT
Range :


  • A = 10-90% (0.75 -4.5A for 5A CT
    Sec)

  • B = 50-100% (1.0 -6A for 5A CT Sec)


Time Delays :


  • Trip= 0.1 -1 Sec /1 – 10 Sec

  • Pick up = 1-10 Sec


Mode of operation : Over current
Reset : Auto / Manual user selectable
Mounting : Din channel
Approximate weight : 150gm
Dimension
: 45 mm (W) X 110 (D) X 73.5 mm (H)

Technical Data :

Supply Voltage

- 90-270V AC/DC

Output Contacts

- Two change over (potential free)

Switching duty

- 6A resistive at 250V AC or 24V DC

Electrical Life

-105 operation at designed switching duty

Relay Status

- Normal - De-energised in normal conditions Fail Safe -
De-energised in fault conditions

Signal

- From CBCT

Ranges

- A = 10-90% (0.75 -4.5A For 5A CT
Sec)

- B = 50-100% (1.0 -6A For 5A CT Sec)

Time Delays

-Trip= 0.1 -1 Sec /1 - 10Sec - Pick up = 1 - 10Sec

Mode of operation

- Over current

Reset

- User selectable Auto/Manual Reset

Mounting

- Din channel

Approximate Weight

- 150gm

Dimension

- 45mm(W) X 110(D) X 73.5mm(H)


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