New Aquaria Electech Pvt Ltd
GAPLESS METAL OXIDE LIGHTNING ARRESTER / SURGE ARRESTER
DISTRIBUTION CLASS - HEAVY DUTY
High voltage power systems experience over voltages, which are generated
through occurrence faults, switching operations and lightning discharges. The
duration & magnitude of these voltages vary depending on the type of surges.
Under such voltage conditions, the insulation of the power system undergoes
stresses that could lead to failure. Hence it is imperative that the power systems
are protected from these over voltages at the time of occurrence. Using a device
with variable impedence with respect to voltages can provide protection from
over voltages. Such a device is a Gapless Metal Oxide Lightning Arrester which is
connected in parallel to the system to be protected.
Product Range
3kV – 36kV
Type Tests
CPRI, Bangalore as per IEC 60099-4 (yr 2009) & IS 3070 Standards
In Process Testing
 Reference Voltage Test
 Partial Discharge Test
 Insulation Resistance Test (Megger)
 Seal Leak Test
 Residual Voltage Test
Advantages
 Competitively Priced
 Better Protective levels through improved residual voltage of MOV Blocks
 Excellent energy absorption capability & temporary overvoltage characteristics
 Negligible wattage dissipation
 Proper end sealing to prevent failure due to moisture ingress
 Compactness of size with minimal weight which ensures ease of transport
&
mounting
 Gapless design ensures maximum reliability & durability
 Flexibility to manufacture Light Duty & Heavy Duty Distribution Class
Ordering Information
When ordering please state your requirements for the following options:
1. Arrester Model reference
2. Mounting Bracket
3.Disconnector
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TECHNICAL DATA SHEET – DISTRIBUTION CLASS (HEAVY DUTY– 10kA)
PARTICULARS
System Voltage (kVrms)
Rating (kVrms)
MCOV (kVrms)
Nominal Discharge Current (kAp)
Line Discharge Class
Rated Frequency (Hz)
Insulation withstand level
Lightning Impulse withstand (kVp)
Power Frequency withstand (Dry/Wet)
(kVrms)
Reference Voltage (kVrms)
Reference Current (mAp)
Maximum Lightning Impulse Residual
Voltage (8/20µs) at NDC (kVp)
At 2.5kAp
At 5.0kAp
At 10.0kAp
Maximum Steep Current Impulse
Residual voltage (1/20µs) at NDC
(kVp)
Maximum Switching Impulse
Residual Voltage (30/60µs impulse)
at 500A
Temporary Over Voltage Capability
(kVrms) at
1.0 sec
10.0 sec
100.0 sec
High Current Impulse Withstand(kA)
Long Duration Current Withstand(A)
Partial Discharge (pC)
Minimum Creepage Distance (mm)
Leakage Current at MCOV
Resistive Current (µA)
Capacitive Current (µA)
Cantilever Strength (Kg.m)
Pressure Relief Class
Diameter of the Arrester (mm)
Height of the Arrester (mm)
Weight of the Arrester (Kgs)
3DXNAEPL 6DXNAEPL
3.3
6.6
3.0
6.0
2.55
5.10
ARRESTER MODEL REFERENCE
9DXNAEPL 12DXNAEPL 15DXNAEPL 18DXNAEPL 21DXNAEPL 24DXNAEPL
11.0
11.0
22.0
22.0
22.0
24.0
9.0
12.0
15.0
18.0
21.0
24.0
7.65
10.20
12.75
15.30
17.85
20.40
10.0
Class I
50.0
27DXNAEPL
33.0
27.0
22.95
30DXNAEPL 33DXNAEPL 36DXNAEPL
33.0
33.0
33.0
30.0
33.0
36.0
25.50
28.05
30.60
60.0
20.0
60.0
20.0
75.0
28.0
75.0
28.0
125.0
50.0
125.0
50.0
125.0
50.0
125.0
50.0
170.0
70.0
170.0
70.0
170.0
70.0
170.0
70.0
>3.0
>6.0
>9.0
>12.0
>15.0
18.0
>21.0
>24.0
>27.0
>30.0
>33.0
>36.0
1.0
7.4
8.1
8.9
14.8
16.2
17.8
28.0
30.0
32.0
36.0
38.0
41.0
46.7
50.0
53.3
56.0
60.0
64.0
65.3
70.0
74.7
74.7
80.0
85.3
84.0
90.0
96.0
93.3
100.0
106.7
102.7
110.0
117.3
112.0
120.0
128.0
10.3
20.6
35.0
42.0
58.3
70.0
81.7
93.3
105.0
116.7
128.3
140.0
6.7
13.5
24.0
30.4
40.0
48.0
56.0
64.0
72.0
80.0
88.0
96.0
3.60
3.45
3.30
6.70
6.20
5.70
10.10
9.40
8.60
13.40
12.50
11.50
16.8
15.7
14.3
20.2
18.8
17.2
26.9
25.1
22.9
30.3
28.2
25.8
33.7
31.3
28.7
37.0
34.5
31.5
40.4
37.6
34.4
250.0
250.0
300.0
300.0
600.0
600.0
23.6
21.9
20.1
100.0
250.0
<10.0
600.0
600.0
900.0
900.0
900.0
900.0
105.0
0.80
105.0
0.95
350.0
2.70
350.0
3.15
505.0
5.70
<400
˜1200
200.0
N.A (Disconnector Type)
110.0
505.0
505.0
505.0
6.25
6.85
7.35
650.0
7.90
650.0
8.50
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650.0
9.00
650.0
9.60