Arrester
 Model

Three phase

EPP100T

EPP80T

EPP65T

EPP60T

EPP50T

EPP40T

EPP30T

EPP20T

Single-phase

EPP100S

EPP80S

EPP65S

EPP60S

EPP50S

EPP40S

EPP30S

EPP20S

Each road specified (number or amount)
 Operating tension  Uo

220V

Each road specified (number or amount) go to flow
 In (will be 8/20 μ s)

50kA

40kA

32kA

30kA

25kA

20kA

15kA

10kA

Each road most greatly passes flow
 Imax (will be 8/20 μ s)

100kA

80kA

65kA

60kA

50kA

40kA

30kA

20kA

Each road most big
 Go on endure press Uc

~440V rms

~320V rms

Protects voltage Up
 Specified (number or amount) all rate of flow

1.8kV

1.6kV

1.0kV

Protects voltage Up
 Specified (number or amount) all rate of flow

1.2kV

0.9kV

Leaks current  Io

<10  μ  A

<3  μ  A

Echo time  Ta

25ns

Connections style 

Parallel connection 

Installs style 

35mm  Normative guide rail install 

Function feature

Aging caloric trip and short pass by flow trip (stops caught fire blast) ,indicating lamp can consideration give an alarm, hot backup, far away from letter, agings forecast function

Aging caloric trip and short pass by flow trip (stops caught fire blast) ,indicating lamp can consideration give an alarm, hot backup function 

Protect empty open
 Strings meet front module

25A  Curve  C

16A  Curve  C

10A  Curve  C

SPD bigger connections size

Connection: 16mm 2  Bunched conductors or  25mm 2  Single divided conductor;
Conductive earth: 35mm 2  Bunched conductors or  50mm 2  Single divided conductor;

SPD boundary dimension

Three phase

90mm  ×  144mm  ×  71mm

90mm  ×  72mm  ×  71mm

Single-phase

90mm  ×  72mm  ×  71mm

90mm  ×  36mm  ×  71mm

SPD installs part

Transformer depression mother row or monomer architecture general distribution screen

Monomer architecture general distribution screen

Allots electricity 

Equipment side

SPD protects class

I  A kind of architecture 

  A kind of architecture 

  A kind of architecture 

C  Grade 
 (subordinative protection)

D  Grade 
 (last level protection)

B  Grade   (head protection)

Accords with standard

IEC61643-1 :  1998 GB18802.1-2002 GA173-2002