ENTES ELR-30-A Manual

ENTES niet gecategoriseerd ELR-30-A

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Side 1/4
Trip Characteristics for t ≥ 0.15s
EN 60947-2:2003
B.4.2.4.2.2 Operating characteristic for CBR’s having a limiting
non-actuating time higher than 0.06 s declared by ENTES. The
maximum break time at IΔn, 2 IΔn, 5 IΔn, and 10 IΔn.
Earth Leakage Current
Trip setting
Maximum Break Time
I∆n 2I∆n 5I∆n110I∆n2
0.15 s 0.5 0.25 0.25 0.25
0.25 s 0.5 0.35 0.35 0.35
0.5 s 0.6 0.6 0.6 0.6
0.8 s 0.9 0.9 0.9 0.9
1 s 1.1 1.1 1.1 1.1
2.5 s 2.6 2.6 2.6 2.6
5 s 5.1 5.1 5.1 5.1
10 s 10.1 10.1 10.1 10.1
Features
1. Wide leakage current adjustment range
2. Adjustable earth leakage trip time
3. Instantaneous trip (for details refer trip characteristics)
4. “Test Feature” to check product functionality
5. “Manual Reset Feature” with reset buton
6. Remote resetting
7. 1C/O+1NO relay output.
8. LED indications for all failures
9. Wide auxiliary supply voltage range
10. DIN rail mounting
11. Easy to install
12. Compact size
Recommendations
It is recommended to use CBCT’s as mentioned in the table, to ensure the trip
current accuracy.
Caution
1. Always follow instructions stated in this quick start manual.
2.Before installation, ensure that specications compatible with intended
application.
3.Installation must be done by a successful electrician.
4.Suitable dampers must be provided in case of over-vibration during installation.
5.Automation and control devices must be installed so
that they are protected against any risk of involuntary
actuation.
6.Disconnect the power before working on the device.
Terminal Details
Use Cu Wire of 60/75°C only
Notes
1. Since the innovation of the product is a regular process, we reserve the right
to change all its features without prior notice.
2. The factory settings of the device are set to 30mA trip and instantaneous
delay.
These settings can be adjusted as needed by the installation. A seal is supplied
allowing the user to secure the clear window and hence prevent any unnecessary
adjustment of the settings.
3. To comply with regulations, it is recommended that the device should be
tested periodically to ensure correct operation.
4. In case of excess harmonics power transmission cables have more leakage
because of low impedance o󰀨ered by cable capacitance, IΔn setting need to
keep at higher level.
ELR & CBCT
EARTH LEAKAGE RELAY & CORE BALACNCE
CURRENT TRANSFORMERS SERIES
Quick Start Manual
Trip Characteristics
Standard IEC 60947-2 annex M indicates the operating characteristic for a
nontime-delay type in table B.1 in B.4.2.4.1 in standard IEC 60947-2 annex M.
CBRs having I∆n = 30 mA shall be of the non-time-delay type.
If the trip time is set at ‘0’ sec, then for 5 I∆n & 10 I∆n, the tripping time will be
< 40 ms for all current ranges.
Earth Leakage Current I∆n 2I∆n 5I∆n
110I∆n2
Maximum Break Time 0.3 0.04 0.040.15
1) For CBRs having I n < 30 mA, 0.25 A may be used as an alternative to 5I n
2) 0.5 A if 0.25 A is used
Trip Time in s
Trip Current / Set Current
Trip Characteristics for non delayed trip at I∆n > 30mA
For CBR’s having limiting non-actuating time of 0,06 s the operating characteristic
is given in table B.2. in B.4.2.4.1 in standard IEC 60947-2 annex M.
Earth Leakage Current I∆n 2I∆n 5I∆n
110I∆n2
Maximum Break Time 0.5 0.15 0.150.2
Trip Time in s
Trip Current / Set Current
Trip Characteristics for ∆ t =0.06 s, I n > 30mA
Trip Time in s
Trip Current / Set Current
Trip Characteristics for ∆ t > 0.15 s
Trip Time in s
Trip Current / Set Current
Trip Characteristics for ∆ t > 2.5 s
TECHNICAL SPECIFICATIONS
ELR-30-M ELR-30-A
SUPPLY
Supply Voltage
220-415VAC / 220VDC -20% to +20%
Power Consumption (Max.)
10VA
LED
Indication
Power On
ON (Green Led)
EL / CT
ON (Red Led) Relay Trip / Blinking (CT OPEN)
Leakage Current/ TST
BY bar graph 30%(Green), 45%(Green), 60%(Yellow), and 75%(Red), Blink Test/Reset Switch is pressed
Treshold I∆n (A)
0.03 – 0.1 – 0.3 – 0.5 – 1 – 3 – 5 – 10 – 20 – 30
Frequency
50-60Hz
RELAY O / P
Contact Rating
1 C/O + 1 NO; 5 A (Resistive) @ 240 VAC / 30 VDC
Contact Arrangement
1 C/O SPDT and 1 NO SPST
Utilization Category (AC-15)
3.0 A at 120 V & 1.5 A at 240 V
Utilization Category (DC-13)
0.22 A at 125 V & 0.10 A at 250 V
Mechanical Life Expectancy
1X107
Electrical Life Expectancy
1X105
Contact Material
Ag Alloy
RESET
Reset
Manual Reset Auto Reset
No. Of Auto Resets
- 4
Clear Auto Reset
After 1 hour of healthy condition or supply interruption
Test / Reset
Local and Remote (Non Potential Free Contacts) (Up to 10 m)
∆t Settings (s)
0.040 – 0.06 – 0.15 – 0.25 – 0.5 – 0.8 – 1 – 2.5 – 5 – 10
Reset Enable
Below 50% of set I∆n in presence of CBCT
Reset Time
<1 s
Type Class
‘A’ True RMS measurement upto I∆ 1A (as per IEC 60947-2 Annex M)
Setting Accuracy
‘AC’ True RMS measurement 30mA to 30A (as per IEC 60947-2 Annex M)
Repeat Accuracy
- 20% (Including CBCT accuracy)
AMBIENT
± 2%
Storage Temperature
-20°C to + 80°C
Operating Temperature
-15°C to + 60°C
Relative Humidity
5 to 95% Rh (without condensation)
Max. Operating Altitude
2000 m
Degree of Protection
IP-20 for Terminals, IP-40 for Enclosure
Operating Position
Any
Pollution Degree
II
OTHERS
Mounting
Din Rail
Dimensions in mm (W X H X D)
36 X 90 X 65
Weight Approx. (Un-packed)
150g
Certication
CBCT for Type A & AC Current
Size (W X H X D) mm Inner
Diameter
Max. Current
Per Phase
I∆n setting range if there are
pulsating DC current(Type A)
CBCT-70
37x133x109.3 160A70mm 30mA to 3A
CBCT-92
37x155x132 92mm 200A 30mA to 3A
CBCT-120
37x176x153 120mm 250A 30mA to 3A
CBCT-210
37x282x250 210mm 400A 30mA to 3A

Produkt Specifikationer

Mærke: ENTES
Kategori: niet gecategoriseerd
Model: ELR-30-A

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