Products And Services

Smart Grid & Advance Power Distribution

3-45 kV Surge Arrester 5 kA and 10 kA Class 1&2

Silicone Housing features:

Excellent Hydrophobicity PropertyNot release toxic gas when burnedFlame resistance

Type of PRECISE's arresters

LAZ-P

PAZ-P-1

PAZ-P-2

PAZ-P-3

Applied standard

IEC 60099-4

Type of surge arresters

ZnO gapless

Rated voltage : Ur (kV)

3 - 45

Maximum continuous operating
Voltage : Uc (kVrms)

0.8 Ur

Rated frequency (Hz)

48 - 62

Norminal discharge Current (kApeak)

5

10

Line discharge class

Distribution

1

2

3

Housing material of Surge arrester

Silicone

Pollution level of creepage distance
(Standard IEC 60071-2)

  III Or IV

Energy absorption capability
(kJ/kV.Ur within one minute)

1.15*

1.27*

2*

5

Presure relief current (kArms)

16

20

40


* The other Specification is upon customer requesition

The precise's surge arresters type LAZ-P, PAZ-P-1, PAZ-P-2 and PAZ-P-3 with silicone housing weredeveloped for medium voltage distribution system. The surge arresters have manufactured certificate ISO 9001 and successfully pass the test requirements according the latest version of IEC 60099-4 Both LT and HT surge arresters are available to limit overvoltage and to protect the equipment and shall be installed list below:

 

- At the cable sealing ends

 

- At Transformer station secondary side and primary side

 

- At the end line and or long branch line

 
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