Protech Engineering And Controls Pvt. Ltd.

We provide N22 Earth Fault Relays with 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

Technical Specifications:

• Supply voltage : 90-270V AC/DC

• 5A/1A CT Secondary input facility in one unit

• Output contacts : Two change over (potential free)

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

• Electrical life : 1000000 operation at designed switching duty

Relay status:

• Normal - De-energized in normal conditions

• Fail Safe - De-energized in fault conditions

Signal : From CBCT / CTs

Range :

• A = 10-100% (0.5 -5A 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 : 100 gm
Dimension : 22.5 mm (W) X 110 (D) X 73.5 mm (H)

Technical Data :

Additional Information:

• Item Code: N22-EFR
• Pay Mode Terms: T/T (Bank Transfer)
• Port of Dispatch: Mumbai
• Production Capacity: 5000
• Delivery Time: 8 days
• Packaging Details: Carton Packing

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)

Additional Information:

• Item Code: N-22
• Delivery Time: 5 Days
• Packaging Details: Box

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 :

Additional Information:

• Item Code: N-96
• Production Capacity: 100
• Delivery Time: 5 Days

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 :

Additional Information:

• Item Code: N-96-D