Suspension Clamps (Trunnion Type)

Suspension Clamps (Trunnion Type) image

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Quick Details

Product Name:

Suspension Clamps (Trunnion Type)

Brand:

Oeipower Jingguan

Certification:

Xihari

Material:

ZnO

Shape:

Round

Operation Voltage:

High Voltage

Size:

Meidum

Application:

AC/DC System

Installation:

Pole Line

Structure:

Zinc Oxide Arrester

Type:

Distribution

12:

24:

36:

Trademark:

OEIpower

Transport Package:

Cartons Pallets Wooden Case

Specification:

IEC IEEE

Origin:

China Nanyang

HS Code:

85354000

Product Details

Catalog

No.

Conductor Dia.(mm)

Dimensions (mm)

Rated Failure Load

The clamp body and keepers are malleable iron, cotter-pins are stainless steel, the other parts are steel. All ferrous parts are hot-dip galvanized.

METAL OXIDE SURGE ARRESTER

Polymer housed for outdoor application

Features

Better Electrical performance & reliability

Ease of Installation-Light weight & smaller size

Better Operating conditions

Explosion & shatter proof & less mechanical

damage to nearby equipments

Better performance in polluted environment

Vandalism resistant

Free from Moisture ingress

Higher safety

Higher mechanical strength

Insensitive to UV radiation

High resistance to Ozone & Corona

Excellent Tracking resistance
Performance Data

System Voltage

Rated Voltage (kV):0.1-275

Nominal discharge current (kA)

High current capability (4/10us) kA

Energy Class :

Energy absorption Capability kJ/kV

Short Circuit (Pressure relief) kA:40

Standard in accordance with:IEC60099-4
Porcelain housed for outdoor application

For protection of transformer & switchgear.

Highly non-linear MOV.

Explosion Proof – Pressure Relief Design.

High energy handling capacity.

Glazed brown Porcelain Housing.

Corrosion proof Aluminum alloy metal flange.

Suitable for Ambient -400C to +550C.

manufactures effective surge protection device with the modern technology of highly non-linear Zinc

Oxide Varistor blocks and thus diverts natural lightning surge and switching surge to earth and simultaneously clip off

any follow on current. Our station class arresters are designed to provide maximum safety to personnel and sub-station

equipment even at the enormous short circuit duty. Research and Development is an ongoing process at Elektrolites

with the active collaboration of experts in the industry.
CONSTRUCTION & OPERATING PRINCIPLE

Lightning Arrestors

11kV

No.	DETAIL	UNITS	DATA
	Type		11kV gapless type metal oxide surge arrester – Distribution class
1.	Nominal system voltage	kV	11
2.	Highest system voltage	kV	12
3.	Basic Insulation Level (BIL)	kV	95
	3. Ratings and type of surge arrester
4.	Specification to which surge arrester complies		IEC 60099–4
5.	Rated voltage of surge arrester	kV	10
6.	Nominal, 8/20 µs, discharge current rating of surge arrester	kA	10
7.	Maximum continuous operating voltage of surge arrester	kV	7.3
8.	Gapless or gapped type metal–oxide surge arrester		Gapless
9.	Material of insulation		High temperature vulcanised silicon rubber
10.	Rated frequency of surge arrester	Hz	50
11.	Design altitude of surge arrester (above sea level)	m	1 400m
12.	Design ambient temperature of surge arrester	oC	–1 to40
13.	Specific creepage distance of surge arrester	.mm/kV	25
	Automatic earth lead disconnectors requirements
14.	Automatic earth lead disconnectors to be fitted	Yes/No	YES

15.	Corrosion protection of metal and alloy parts: galvanising specification and/or stainless steel grade		To SABS 763, 316
	Tests
16.	Previous type test results/certificate to be provided with bid	Yes/No	Yes
17.	Routine test results/certificate to be provided on delivery	Yes/No	Yes
18.	Drawing showing dimensions of the arrestor to be provided with the bid	Yes/No	Yes
19.	Minimum one minute wet power frequency withstand voltage of external insulation of surge arrester housing	kV	28
20.	Maximum steep current impulse residual voltage for a 10 kA, 1/20 µs, discharge current	kV	50
21.	Maximum lightning impulse residual voltage for a 10 kA, 8/20 µs, discharge current	kV	40
22.	Lightning, 1,2/50 µs, impulse withstand level of external insulation of surge arrester housing	kV	95
23.	Line discharge class rating		1
24.	Long duration current, 2 000 µs, impulse withstand	A	250 A
25.	High current, 4/10 µs, impulse withstand	kA	100 kA
26.	Automatic earth lead disconnector to be tested in accordance with IEC 60099–4	Yes/No	Yes

33kV

S/N	TECHNICAL DETAILS		UNITS	DATA
1.		Type		33kV gapless type metal oxide surge arrester – Distribution class
2.		Nominal system voltage	kV	33
3.		Highest system voltage	kV	36
4.		Power frequency	Hz	50
5.		Basic Insulation Level (BIL)	kV	170
		3. Ratings and type of surge arrester
6.		Specification to which surge arrester complies		IEC 60099
7.		Rated voltage of surge arrester	kV	29
8.		Nominal, 8/20 µs, discharge current rating of surge arrester	kA	10
9.		Maximum continuous operating voltage of surge arrester	kV	22
10.		Gapless or gapped type metal–oxide surge arrester		Gapless
11.		Insulation Material		Silicon rubber
12.		Cantilever strength of surge arrester	Nm	300
13.		Rated frequency of surge arrester	Hz	50
14.		Design altitude of surge arrester (above sea level)	m	1 400m
15.		Design ambient temperature of surge arrester	oC	–1 to 40
16.		Minimum phase–to–ground specific creepage distance of surge arrester	.mm/kV	25
		Automatic earth lead disconnectors requirements
17.		Automatic earth lead disconnectors fitted	Yes/No	Yes
18.		Corrosion protection of metal and alloy parts: galvanising		To SABS 763, 316

	specification and/or stainless steel grade
	Tests
19.	Previous Type Test reports/certificate from recognized authority to be provided with bid	Yes/No	Yes
20.	Minimum one minute wet power frequency withstand voltage of external insulation of surge arrester housing	kV	70
21.	Maximum steep current impulse residual voltage for a 10 kA, 1/20 µs, discharge current	kV	99.7
22.	Maximum lightning impulse residual voltage for a 10 kA, 8/20 µs, discharge current	kV	91.8
23.	Lightning, 1,2/50 µs, impulse withstand level of external insulation of surge arrester housing	kV	170
24.	Line discharge class rating	Class	1
25.	Long duration current, 2 000 µs, impulse withstand	A	250 A
26.	High current, 4/10 µs, impulse withstand	kA	100 kA
27.	Is the automatic earth lead disconnector tested in accordance with IEC 60099–4?	Yes/No	Yes

66kV

S/N	TECHNICAL DETAILS	UNITS	DATA
1.	Description		Station type lightning arrestor complete with steel support structures.
2.	Type		Zinc oxide gapless lightning arrestor
	System parameters
3.	Nominal system voltage	kV	66
4.	Highest system voltage	kV	72.5
5.	Power frequency	Hz	50
6.	Type of system earthing		Effective/Non effective
7.	Type of arrestor connection to system		Line to ground
	3. Ratings and type of surge arrester
8.	Rated voltage of surge arrester	kV rms	54
9.	Nominal, 8/20 µs, discharge current rating of surge arrester	kA peak	10
10.	Maximum continuous operating voltage of surge arrester	kV	43
11.	Minimum one minute wet power frequency withstand voltage	kVrms	140

151

	of external insulation of surge arrester housing
12.	Maximum steep current impulse residual voltage for a 2 kA, 30/60 µs, discharge current	kVpeak	104
13.	Maximum lightning impulse residual voltage for a 10 kA, 8/20 µs, discharge current	kVpeak	127
14.	Minimum lightning, 1,2/50 µs, impulse withstand level of external insulation of surge arrester housing		325
15.	Line discharge class rating		2
16.	Lighting arrestor counter, leakage current meter and their accessories to be provided	Yes/No	Yes
17.	Gapless or gapped type metal–oxide surge arrester		Gapless
18.	Insulation Material		Porcelain
19.	Cantilever strength of surge arrester	Nm	3000
20.	Rated frequency of surge arrester	Hz	50
21.	Maximum angle from vertical at which surge arrester is fully functional	Deg	45
22.	Design altitude of surge arrester (above sea level)	m	1400 m
23.	Design ambient temperature of surge arrester	oC	–1 to 40
24.	Humidity	%	85
25.	Specific phase–to–ground creepage of surge arrester	.mm/kV	25
26.	Corrosion protection of metal and alloy parts: galvanising specification and/or stainless steel grade		to SABS 763 or 316 stainless steel
27.	Previous type test results/certificate to be provided with bid	Yes/No	Yes
28.	Design drawings showing dimensions including foundations and brochures to be provided with bid	Yes/No	Yes
29.	Quality Assurance certification to be provided with the bid	Yes/No	Yes
30.	Routine test results/certificate to be provided on delivery	Yes/No	Yes
31.	Galvanized steel support structures complete with bolts & washers to be provided on delivery	Yes/No	Yes
32.	Applicable standard		IEC60099

152

88Kv

S/N	TECHNICAL DETAILS	UNITS	DATA
33.	Description		Station type lightning arrestor complete with steel support structures.
34.	Type		Zinc oxide gapless lightning arrestor
	System parameters
35.	Nominal system voltage	kV	88
36.	Highest system voltage	kV	100
37.	Power frequency	Hz	50
38.	Type of system earthing		Effective/Non effective
39.	Type of arrestor connection to system		Line to ground
	3. Ratings and type of surge arrester
40.	Rated voltage of surge arrester	kV rms	84
41.	Nominal, 8/20 µs, discharge current rating of surge arrester	kA peak	10
42.	Maximum continuous operating voltage of surge arrester	kV	67
43.	Minimum one minute wet power frequency withstand voltage of external insulation of surge arrester housing	kVrms	185
	Maximum steep current impulse residual voltage for a 2 kA,	kVpeak	188
	30/60 µs, discharge current
45.	Maximum lightning impulse residual voltage for a 10 kA, 8/20 µs, discharge current	kVpeak	218
46.	Minimum lightning, 1,2/50 µs, impulse withstand level of external insulation of surge arrester housing		450
47.	Line discharge class rating		2
48.	Lighting arrestor counter, leakage current meter and their accessories to be provided	Yes/No	Yes
49.	Gapless or gapped type metal–oxide surge arrester		Gapless
50.	Insulation Material		Porcelain
51.	Cantilever strength of surge arrester	Nm	3000
52.	Rated frequency of surge arrester	Hz	50
53.	Maximum angle from vertical at which surge arrester is fully functional	Deg	45
54.	Design altitude of surge arrester (above sea level)	m	1400 m
55.	Design ambient temperature of surge arrester	oC	–1 to 40
56.	Humidity	%	85
57.	Specific phase–to–ground creepage of surge arrester	.mm/kV	25
58.	Corrosion protection of metal and alloy parts: galvanising specification and/or stainless steel grade		to SABS 763 or 316 stainless steel
59.	Previous type test results/certificate to be provided with bid	Yes/No	Yes
60.	Design drawings showing dimensions including foundations and brochures to be provided with bid	Yes/No	Yes
61.	Quality Assurance certification to be provided with the bid	Yes/No	Yes
62.	Routine test results/certificate to be provided on delivery	Yes/No	Yes
63.	Galvanized steel support structures complete with bolts & washers to be provided on delivery	Yes/No	Yes
64.	Applicable standard		IEC60099

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