Current & Earth Fault Relays

Our range of N22 Current & Earth Fault Relays is micro controller based true RMS measurement device. These relays are available with two time delay ranges in one unit with under or over frequency selection. It is compact in design yet ultra flexible protection relay, with the wide power supply range from 90-270V AC/DC.

Technical Specifications:

• Supply voltage: 90-270V AC/DC (Less than 12V A)

• Output contacts: One change over (potential free)
• Switching duty: 6A resistive at 250V AC or 24V DC
• Electrical life: 105 operation at designed switching duty

1. Normal - De-energized in normal conditions
2. Fail Safe - De-energized in fault conditions
3. Sensing: 230VCor 415VAC

• 1. U/F= 30-48 Hz
  2. O/F= 50-60 Hz

• Time Delays :  0 - 1 Sec, 0 -10 Sec
• Reset : Auto / Manual user selectable
• Mounting : Din channel or wall mounting
• Approximate weight : 100gm
• Dimension : 22.5 mm (W) X 110 (D) X 73.5 mm (H)

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 :

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 :

We manufacture an export a precision engineered range of N96-D Current & Earth Fault Relays. These are manufactured using quality tested electrical components and copper laminations. Designed using latest 12 bit micro controller, our range is programmable with digital power protection relays with LCD displays.

Features:

• Wide time delay ranges with precise settings
• True RMS measurement
• CT Open/No signal fault indication
• RS 232/485 output-(optional)
• 0-5V Analog output-(optional)
• Wide power supply range from 90-270V AC/DC

Technical Specifications:

• Supply voltage: 90-270V AC/DC
• Output contacts: Two change over (potential free)
• Switching duty: 6A
• Electrical life: 105 operation at designed switching duty
• resistive at 250V AC or 24V DC

• Normal - De-energized in normal conditions
• Fail Safe - De-energized in fault conditions
• Signal: From CBCT
• Range: A = 15-90%, B = 20-120%
• Time delays:  Trip 0-10 Sec in steps of 100ms
• Mode of operation: Under &/or over current
• Reset: Auto / Manual user selectable
• Mounting: Panel Mounting (Flush) Cutout=92 X 92 mm
• Approximate weight: 200 gm
• Dimension: 96 mm (W) X 96 (H) X 80 mm (D)

Technical Data :

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