CA01082E_Catalog 30

30 - ARRESTERS - PRODUCTS

Polymer Housed Surge Arresters – PH3/PH4

PH3/PH4 Part Numbers

P

H

3

1

4

5

G

V 1

2

0 A A

Step 1: Select the IEC classification 3 = Class Station Medium 4 = Class Station High

Step 5: Select Ur

Step 6: Line Terminals A – Standard

Line Size - in (mm)

Code

Step 2: Select the max system voltage (Um)

0.25 (7) - 0.81 (21)

A

0.38 (10) - 1.12 (29)

B

Step 3: Configurations G – Standard U – Underhung F – Fault Indicator

0.16 (4) - 1.25 (31)

H

Step 4: Select the appropriate site pollution level from the table below

Step 5: Ground Terminals A – Standard

Site Pollution

Code

Ground Size - in (mm)

Code

Medium ( ≥ 20 mm creep per kV Um)

M

0.25 (7) - 0.81 (21)

A

Heavy ( ≥ 25 mm creep per kV Um)

H

0.38 (10) - 1.12 (29)

B

Very Heavy ( ≥ 31 mm creep per kV Um)

V

0.16 (4) - 1.25 (31)

H

30-32 | www.hubbell.com/hubbellpowersystems