Gapless Metal Oxide Surge Arrester

  • LAMCO (INDIA)

Lamco’s Gapless Metal Oxide Surge Arrester are meant for protection of high voltage equipment such as power or distribution transformers, circuit breakers , C.T / P.T’s etc., against over voltage of any kind. These arresters are manufactured to meet National & International standards, and can be generally applied for outdoor installation up to an altitude of 1000 mtrs.

Product details

LAMCO offers a complete range of surge arresters from distribution to high voltage applications comprising of solutions for AC up to 1200kV as well as special applications. LAMCO's portfolio includes porcelain housed, silicone housed insulated Low/Medium/High voltage arresters. LAMCO has 37 years of experience of porcelain arresters and more than 20 years of experience with silicone insulated arresters. The arresters are installed across the world in all types of climates. The designs are type tested according to the IEC 60099-4, and also comply with customer specific standards.

LMD :3kV to 36kV Distribution - Porcelain

STN-DT: 3kV to 42kV Station type - Porcelain

LMAS: 30kV to 216kV Station Heavy Duty -Porcelain

APA: on and above 400kV Heavy Duty - Porcelain

LPDC: 9kV to 36kV Distribution - Polymer

LPSC (Light): 9kV to 42kV Station type - Polymer

LPSC (Heavy): 60kV to 1200kV Station Heavy Duty - Polymer

System voltage

 

Arrester rating

 

Continuous operating voltage

 

Maximum Residual voltage with 8/20µs

Max. Switching surge residual voltage

5kAp

10kAp

20kAp

1kAp-2kAp

(kVrms)

(kVrms)

(kVrms)

(kVp)

(kVp)

(kVp)

(kVp)

3.3kV-12kV

3-12

2.56-10.2

8.50-34

9-36

10-40

8-28.8

22kV-24kV

18-24

15.3-20.4

52-68

56-72

60-80

44.8-62

33kV-36kV

30-42

25.5-35.74

85-119

90-125

100-140

72-112

66kv-72.5kV

60-72

51-61

160-204

170-260

190-240

136-192

110kV-123kV

96

81

251

272

307

217

132kV-145kV

120

102

320

340

380

272

220kV-245kV

196-216

168-175

518-587

550-600

610-658

455-496

400kV-420kV

336kv-390kV

272-303

735-880

740-950

755-1000

700-950

765kV

624kV

490

1400

1480

1650

1220