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30 KV

Oblum Electrical Industries has over 50 years of experience in manufacturing medium voltage electrical polymer surge arresters, providing innovative solutions globally. The document outlines specifications for various models of surge arresters, including indoor and outdoor classifications, as well as their technical details and performance metrics. Oblum operates in multiple countries across Asia, Africa, Europe, and the Americas, emphasizing a commitment to environmental and social progress.

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harishelectrical90
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6 views8 pages

30 KV

Oblum Electrical Industries has over 50 years of experience in manufacturing medium voltage electrical polymer surge arresters, providing innovative solutions globally. The document outlines specifications for various models of surge arresters, including indoor and outdoor classifications, as well as their technical details and performance metrics. Oblum operates in multiple countries across Asia, Africa, Europe, and the Americas, emphasizing a commitment to environmental and social progress.

Uploaded by

harishelectrical90
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Medium Voltage (30kv)

Pioneering
Cutting-Edge
Solutions for
Tomorrow
Powering Progress for Over
Half a Century: We've been
at the forefront of electrical
polymer surge arresters
manufacturing, continuously
innovating for 50+ years,
delivering solutions that
energize the world.
Global
Oblum business operations are present in multiple
geographies across the globe. We are committed

Presence
to our vision of driving positive change in the
environment and in the lives of people.

Asian Countries
• Philippines
• Iraq
• Bangladesh
• Srilanka African Countries
• Turkey
• Abu Dhabi • Kenya
• Bhutan South American Countries • Rwanda
• Malaysia • Togo
• Peru • Mali
• Nepal • Paraguay
• Uganda • Zambia
• Uae • Burkina Faso
• Afghanistan • Mozambique
North American Countries • Congo
• Vietnam
• Sharjah • Nicaragua • Tanzania
• Nigeria • Canada • Uganda
• Colombo • South Africa
• Kabul • Ivory Coast
• Jordan European Countries • Ethiopia
• Kenya • Botswana
• Finland • Liberia
• Yemen • Spain
• Dubai • Transco Clsg
• Armenia • Ghana
• Georgia • Sierra Leone
• Japan • Gambia
• Kuwait
Medium Voltage (30kv)
INDOOR SPF

Description 30kV 10kA SL 30kV 10kA SM

S No Model INDOOR INDOOR

OUTDOOR/ INDOOR SPF SPF

System earthing Unearthed Unearthed

1 Highest system voltage kV rms 24 24


2 Nominal system voltage kVrms 22 22
3 Ur –Rated voltage kVrms 30 30
4 Uc -MCOV(kVrms) 25 25
5 In –NDC (8/20µs) kA 10 10
6 Arrester classification Station Low duty Station Medium Duty
7 Qrs (IEC 99-4 Ed.3) in coulomb 1 1.6
8 Wth (IEC 99-4 Ed.3) in kJ/kV 4 7
9 Qth (IEC 99-4 Ed.3) in coulomb
10 Max RDV kVp
a) 5kA 85 80
b) 10kA 90 85
c) 20kA 100 95
11 Max. Switch. Imp. RDV(kVp)
a) 500A 72
b) 1000A 68
c) 2000A
12 Max. Steep Current impulse RDV(kVp) at NDC 100 95
13 High current impulse withstand value (4/10 µs) kA 100 100
14 TOV (kVp)
i. 0.1 53 53
ii.1 .0Sec 51 51
iii. 10.0Sec 49 49
iv. 100.0Sec 47 47
15 Short circuit current kA 25/31.5 (as applicable) 25/31.5 (as applicable)
16 Insulation Withstand
a) Lightning Impulse (kVp) As per IEC 60099-4 2014 As per IEC 60099-4 2014
b) Power frequency kVrms As per IEC 60099-4 2014 As per IEC 60099-4 2014
c) Switching Imp (Wet)(kVp) NA NA
17 Rated frequency (Hz) 48 to 62 48 to 62
18 Leakage current
a. IR at MCOV in µA Less than 400 Less than 400
b. IC at MCOV in mA About 1.2 About 1.4
19 Reference voltage in Volt at Reference current in mA > 30kV at 2mA > 30kV at 3mA
20 Partial discharge P.D 10pC 10pC
21 Creepage distance-mm (min) Phase to Phase NA NA
22 Max. Cantilever strength of arrester Kgf NA NA
DISTRIBUTION MEDIUM DUTY

Description 30kV 10kA DH

S No Model PBW

OUTDOOR/ INDOOR

System earthing

1 Highest system voltage kV rms 36


2 Nominal system voltage kVrms 33
3 Ur –Rated voltage kVrms 30
4 Uc -MCOV(kVrms) 25
5 In –NDC (8/20µs) kA 10
6 Arrester classification Distrinution High duty
7 Qrs (IEC 99-4 Ed.3) in coulomb 0.4
8 Wth (IEC 99-4 Ed.3) in kJ/kV
9 Qth (IEC 99-4 Ed.3) in coulomb 1.1
10 Max RDV kVp
a) 5kA 90
b) 10kA 95
c) 20kA 105
11 Max. Switch. Imp. RDV(kVp) NA
a) 500A
b) 1000A
c) 2000A
12 Max. Steep Current impulse RDV(kVp) at NDC 105
13 High current impulse withstand value (4/10 µs) kA 100
14 TOV (kVp)
i. 0.1 53
ii. 1.0Sec 51
iii. 10.0Sec 49
iv. 100.0Sec 47
15 Short circuit current kA 25/31.5 (as applicable)
16 Insulation Withstand
a) Lightning Impulse (kVp) As per IEC 60099-4 2014
b) Power frequency kVrms As per IEC 60099-4 2014
c) Switching Imp (Wet)(kVp) NA
17 Rated frequency (Hz) 48 to 62
18 Leakage current
a. IR at MCOV in µA Less than 400
b. IC at MCOV in mA About 1.2
19 Reference voltage in Volt at Reference current in mA > 30kV at 1mA
20 Partial discharge P.D 10pC
21 Creepage distance-mm (min) Phase to Phase 25mm/kV /31mm/kV (as applicable)
22 Max. Cantilever strength of arrester Kgf NA
MEDIUM STATION PBW

Description 30kV 10kA SL 30kV 10kA SM

S No Model PBW PBW

OUTDOOR/ INDOOR

System earthing

1 Highest system voltage kV rms 24 24


2 Nominal system voltage kVrms 22 22
3 Ur –Rated voltage kVrms 30 30
4 Uc -MCOV(kVrms) 25 25
5 In –NDC (8/20µs) kA 10 10
6 Arrester classification Station Low duty Station Medium Duty
7 Qrs (IEC 99-4 Ed.3) in coulomb 1 1.6
8 Wth (IEC 99-4 Ed.3) in kJ/kV 4 7
9 Qth (IEC 99-4 Ed.3) in coulomb
10 Max RDV kVp
a) 5kA 85 80
b) 10kA 90 85
c)20kA 100 95
11 Max. Switch. Imp. RDV(kVp)
a) 500A 72
b) 1000A 68
c) 2000A
12 Max. Steep Current impulse RDV(kVp) at NDC 100 95
13 High current impulse withstand value (4/10 µs) kA 100 100
14 TOV (kVp)
i. 0.1 53 53
ii. 1.0Sec 51 51
iii. 10.0Sec 49 49
iv. 100.0Sec 47 47
15 Short circuit current kA 25/31.5 (as applicable ) 25/31.5 (as applicable )
16 Insulation Withstand
a) Lightning Impulse (kVp) As per IEC 60099-4 2014 As per IEC 60099-4 2014
b) Power frequency kVrms As per IEC 60099-4 2014 As per IEC 60099-4 2014
c) Switching Imp (Wet)(kVp) NA NA
17 Rated frequency (Hz) 48 to 62 48 to 62
18 Leakage current
a. IR at MCOV in µA Less than 400 Less than 400
b. IC at MCOV in mA About 1.2 About 1.4
19 Reference voltage in Volt at Reference current in mA > 30kV at 2mA > 30kV at 3mA
20 Partial discharge P.D 10pC 10pC
21 Creepage distance-mm (min) Phase to Phase 25mm/kV /31mm/kV 25mm/kV /31mm/kV
(as applicable) (as applicable)
22 Max. Cantilever strength of arrester Kgf 150 150
MEDIUM STATION PBC

Description 30kV 10kA SL 30kV 10kA SM

S No Model PBC PBC

OUTDOOR/ INDOOR

System earthing

1 Highest system voltage kV rms 24 24


2 Nominal system voltage kVrms 22 22
3 Ur –Rated voltage kVrms 30 30
4 Uc -MCOV(kVrms) 25 25
5 In –NDC (8/20µs) kA 10 10
6 Arrester classification Station Low duty Station Medium Duty
7 Qrs (IEC 99-4 Ed.3) in coulomb 1 1.6
8 Wth (IEC 99-4 Ed.3) in kJ/kV 4 7
9 Qth (IEC 99-4 Ed.3) in coulomb
10 Max RDV kVp
a) 5kA 85 80
b) 10kA 90 85
c) 20kA 100 95
11 Max. Switch. Imp. RDV(kVp)
a) 500A 72
b) 1000A 68
c) 2000A
12 Max. Steep Current impulse RDV(kVp) at NDC 100 95
13 High current impulse withstand value (4/10 µs) kA 100 100
14 TOV (kVp)
i. 0.1 53 53
ii. 1.0Sec 51 51
iii. 10.0Sec 49 49
iv. 100.0Sec 47 47
15 Short circuit current kA 40 40
16 Insulation Withstand
a) Lightning Impulse (kVp) As per IEC 60099-4 2014 As per IEC 60099-4 2014
b) Power frequency kVrms As per IEC 60099-4 2014 As per IEC 60099-4 2014
c) Switching Imp (Wet)(kVp) NA NA
17 Rated frequency (Hz) 48 to 62 48 to 62
18 Leakage current
a. IR at MCOV in µA Less than 400 Less than 400
b. IC at MCOV in mA About 1.2 About 1.4
19 Reference voltage in Volt at Reference current in mA > 30kV at 2mA > 30kV at 3mA
20 Partial discharge P.D 10pC 10pC
21 Creepage distance-mm (min) Phase to Phase 25mm/kV /31mm/kV 25mm/kV /31mm/kV
(as applicable) (as applicable)
22 Max. Cantilever strength of arrester Kgf 150 150
Exports/Technical :
Ms.Bhargavi
Ph: +91 89770 89857
E : bhargavi@oblum.co.in
overseas@oblum.co.in

Technical :
Mrs. Nagalakshmi
Ph :+91 9848352440
E : nagalakshmi.k@oblum.co.in
technical@oblum.co.in

Oblum Electrical Industries (P) Ltd.


#A-16&17, Assisted Private Industrial
Estate, Balanagar,Hyderabad - 500 037
Land Line: 040-2377 1880
GST : 36AAACO2289A1ZQ

www.oblum.co.in

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