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Technical
Section 11
Dimensions
Section 12
4
iPRD surge arresters
Type 2 or 3 LV withdrawable surge arresters (cont.)
Protection
Load protection
Earthing
system
Transfer Surge
arrester
name
Width
in mod.
of 9 mm
Up - (kV)
Voltage protection level
Un - (V)
Rated
voltage
network
Uc - (V)
Maximum continuous
operating voltage
CM*
DM*
CM*
DM*
L/
t
N/
t
L/N
L/
t
N/
t
L/N
iPRD65
TT & TN-S
b
b
iPRD65r 1P+N 4
-
y
1.4
y
1.5
230
-
260
350
TT & TN-S
b
b
iPRD65r 3P+N 8
-
y
1.4
y
1.5
230/400
-
260
350
iPRD40
TT & TN-S
b
b
iPRD40r 1P+N 4
-
y
1.4
y
1.6
230
-
260
350
TT & TN-S
iPRD40 1P+N
-
y
1.4
y
1.6
-
260
350
TT & TN-S
b
b
iPRD40r 3P+N 8
-
y
1.4
y
1.6
230/400
-
260
350
TT & TN-S
iPRD40 3P+N
-
y
1.4
y
1.6
-
260
350
iPRD20
TT & TN-S
b
b
iPRD20r 1P+N 4
-
y
1.4
y
1.2
230
-
260
350
TT & TN-S
iPRD20 1P+N
-
y
1.4
y
1.2
-
260
350
TT & TN-S
b
b
iPRD20r 3P+N 8
-
y
1.4
y
1.2
230/400
-
260
350
TT & TN-S
iPRD20 3P+N
-
y
1.4
y
1.2
-
260
350
iPRD8 (1)
Type 2 / Type 3 (1)
TT & TN-S
b
b
iPRD8r 1P+N 4
-
y
1.4
y
1.2
230
-
260
350
TT & TN-S
iPRD8 1P+N
-
y
1.4
y
1.2
-
260
350
TT & TN-S
b
b
iPRD8r 3P+N 8
-
y
1.4
y
1.2
230/400
-
260
350
TT & TN-S
iPRD8 3P+N
-
y
1.4
y
1.2
-
260
350
*
CM
: common mode (phase to earth and neutral to earth). *
DM
: differential mode (phase to neutral).
(1) Uoc
: combinated waveform voltage: 10 kV.
Cartridge
Spare cartridges iPRD
Type
Spare cartridges for
Cat. no
iPRD 65-350
iPRD65r
A9L65102
iPRD 40-350
iPRD40, iPRD40r
A9L40102
iPRD 20-350
iPRD20, iPRD20r
A9L20102
iPRD 8-350
iPRD8, iPRD8r
A9L08102
iPRD Neutral
All products (1P+N, 3P+N)
A9L00002
PB110284-35