Precise Electricals

Protection Relay

Description UV/OV Relay
Model Number PE 8802
Key Features - User Friendly
- Advance micro controller technology.
- Protection against under voltage over voltage.
- Protection against voltage unbalance and single phasing.
- Protection against Phase reversal.
- Easy to operate.
- Ultra compact size.
- Reset Facility.
Display Features - Normal Indicator
- Under Voltage Trip Indicator
- Over Voltage Trip Indicator
- Reverse Phase Trip Indicator
- Single Phase Trip Indicator
- Voltage Unbalance Trip Indicator
Supply Voltage System 415V AC
Phase unbalance 20%
Under Voltage 80% to 95%
Over Voltage 105% to 120% (adjustable)
Power on delay 2.0 sec ±0.5 sec.
Trip Time Delay - On OV less than 1 sec
- On phase fail ,reverse phase, UV and UNB 5secs
Auxiliary supply 230V AC (110V AC and 415V AC optional)
Relay output Potential free NO-C-NC, 10 Amps at 250V AC contacts
Operating temp range 0°C to +70°C
Calibration PE 8802 is calibrated with our standard meter (which is calibrated with YOKOGOWA, meter)
Accuracy ± 2% tolerance
Dimension 70(W)x60(H)x110(D)mm
Mounting DIN rail
Body Plastic
Description UC/OC Relay
Model Number PE 8803
Key Features - User friendly interface
- Easy to Install
Display Features - Normal condition
- Under current condition
- Over current condition
Supply Voltage System 230/380/415/440V AC ± 20%
Under current 10% to 100%(adjustable)
Over current 50% to 140%(adjustable)
Trip time delay 1 to 10 sec(adjustable)
Auxiliary supply 230V AC (110V AC and 415V AC optional)
Relay output Potential free NO-C-NC, 10 Amps at 250V AC contacts
Operating temp range 10°C to +70°C
Calibration PE 8803 is calibrated with our standard meter (which is calibrated with YOKOGOWA, meter)
Accuracy ± 1% tolerance
Dimension 70(W)x60(H)x110(D)mm
Mounting DIN rail
Weight 0.42Kg
Description Single Phase Preventer
Model Number PE 8805
General Features - Easy to install
- User friendly
- Normal indication available
- SPP indication available
Control Features - Single Phasing
- Reverse Phasing
- Unbalanced Supply
Auxiliary Supply 415V AC
Frequency 50/60 Hz
Dimensions 65(W)x110(H)x55(D) mm
Weight 0.30Kg
Operating Temperature -10°C to +70°C
Mounting Type Wall
Description Earth Leakage Relay
Model Number PE ELR-30
General Features - 30 mm Slim Polycarbonate DIN Rail Mounted Enclosure.
- Versatile Input that can sense 30 mA to 30 A.
- PE-ELR-30 monitors & detect true RMS earth leakage currents using separate Core Balance Current Transformer.
- Distinct LEDs indicates leakage current magnitude.
- Adjustable sensitivity (IÄn) and Trip Time
- Delay(Ät) – instantaneous to 10 Secs
- Single Trip / Reset Button
- Potential free output on tripping
Auxiliary Supply 220-240V AC @ 50/60 Hz
Power Consumption 5VA
LED Indication RED - Power Presence
RED - Power Presence
RED - T Unit under trip state
YELLOW - Indicates 75% leakage current
GREEN - Indicates 50% leakage current
GREEN - Indicates 25% leakage current
Monitored Leakage Current Upto 30A (Through external toroid of 1000:1 ratio
Sensitivity Adjustment (IΔn) 0.03, 0.1, 0.3,0.5mA, 1, 3, 5, 10, 20, 30A
Trip Level 80% of (IΔn)
Trip time delay adjustment 0, 0.15, 0.25, 0.5, 1, 2, 3, 5, 7.5, 9
Output SPDT 5A @230V AC
Ambient Temp. -20°C to +55°C
Relative Humidity upto 95%
Mounting TS 35 DIN Rail
Connection Screw Clamp suitable for 2.5sqmm
Dimension 110(L)x30(W)x72.5(D)mm
Description CBCT
General Features - Flame retardant high impact molded case for better insulation and strength
- Integral wires terminals cover with perfect IP protection
- Compact Design suitable for Panel Mounting
- Perfect combination to use with Precise ELR30.
Highest System Voltage 0.72 kV
Insulation Voltage 3 kV/ 1 min
System Frequency 50/60 Hz
MOPC 10 Amps (±5%)
Sec. Relay Setting 10 mA
Operating Temp 0°C to 55°C
Storage Temp -20°C TO 70°C
Model Number Inner Diameter
PE-CBCT-35 35mm
PE-CBCT-70 70mm
PE-CBCT-120 120mm
PE-CBCT-210 210mm
PE-CBCT-310 310mm
Linear Tolerance ±0.1mm
Description Earth Fault Relay
Model Number PE 7800
General Features - RESET Switch
- TEST Switch
Auxiliary Supply 230V AC (110V AC & 415V AC optional)
LED Indication FAULT
A Red LED Indicates the Fault or Trip Condition
HEALTY
A Green LED indicates the normal Condition
Current Sensitivity Variable from 10 % to 80 %, settable with DIP switches in three different models
Trip Time 0.15 Seconds to 3.00 seconds settable with DIP switches
Relay Contacts Potential free NO-C-NC, 10Amps at 250 VAC contacts
Trip Indication LED
Accuracy ± 1% tolerance
Dimension 96(L)x96(W)x60(D)mm
Panel Cutout 91mm x 91mm
Weight 0.36 Kg
Description Motor Protection Relay
Model Number PE 2220
Key Features - Advance Micro controller based state-of-art technology
- Selectable inverse time curves.
- Protection against:
a. Unbalance
b.Single phasing
c.Reverse phasing
d. Overload
e. Stalling
f. Undercurrent
g. Earth fault
- Common tripping for all protective function.
- Thermal overload protection.
- Alarm for tripping.
- Ultra Compact size.
CT Input 5A, 15V AC
Auxiliary Supply 440V AC
AC burden 10V AC at rated current
Relay O/P 10A at 250V AC
Frequency 50/60 Hz ± 5%
Overload setting 30 % to 110%
Tripping time Inverse time: as per thermal curve
Definite time: (0 to 30 sec)
Under current 20%-50 %, tripping time: 30 sec
Motor stall 200-600 %, tripping time 30 -300 Sec
Earth fault 1 A-3 A, tripping time: 1 Sec -20 Sec
Unbalance 25-100 %, Inverse
Phase Failure tripping time: 5 sec
Reverse Phase tripping time: 0.1 sec
Motor start time 0-10 sec
Reset Manual reset
Phase Failure Tripping time: 5 sec
Reverse Phase Tripping time: 0.1 sec
Motor start time 0-10 sec
Reset Manual reset
Dimensions Panel Mounting:
144(w)x144(h)x80(d)mm
Wall Mounted:
115(w)x115(h)x75(d)mm
Panel Cutout 138 X 138 mm
Weight 0.45 Kg
Description Motor Master Relay
Model Number PE 21xx
Key Features - As a special feature the relay can be used to motor having forward & reverse
- Operations giving the protections except incorrect phase sequences.
- Advance microcontroller technology.
- Overload protection with inverse time characteristics.
- Over Load protection
- Unbalance protection.
- Phase unbalance.
- Incorrect phase sequence.
- Ultra compact size.
- Visual indication of S.P.P. & overload.
- Settable overload current & time.
CT Input 5A, 15V AC
Auxiliary Supply 440V AC
AC burden 10V AC at rated current
Relay O/P 10A at 250V AC
Over Current Setting 2A to 5A continuously adjustable
Inverse time characteristics Selectable thermal characteristics curve
2 to 10 sec continuously adjustable
Unbalance current 50% unbalance,
Tripping time: 3sec.,
Inverse characteristics unbalance
Single phase failure tripping time 3sec
Reverse phase tripping time 3sec
Mounting Wall mounting/Panel, 35mm DIN rail
Weight 0.45 Kg