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Technical
Section 9
Dimensions
Section 10
PRF1/PRF1 Master/PRD1 25r/PRD1
Master surge arresters
Type 1 and 2 LV surge arresters
Load protection
4
Name of the
surge arrester
No.
of
poles
Width I imp (kA) (10/350)
Impulse current
I max (kA)
(8/20)
Maximal
discharge
current
In - kA
Rated
discharge
current
Up - kV
Degree of
protection
Un - V
Nominal
line
voltage
Uc - V
Maximum
steady
state
voltage
Part
no.
Fixed surge
arrester
18 mm
ways
Surge
arrester
Surge
arrester +
disconnector
Combi PRF1
Type
1
Combi PRF1 1P+N
260 V
1P+N 5
-
25/50 N/PE -
35/50 N/PE 1.3
230
260
16626
Combi PRF1 3P+N
260/440 V
3P+N 10
-
25/50 N/PE -
35/50 N/PE 1.3
230 / 400 260
16629
PRF1
Type
1
PRF1 1P 260 V
1P 1
35
25
-
35
1.3
230
260
16621
PRF1 1P 440 V
1P 1
35
25
-
35
1.5
230
350
16622
PRF1 N/PE 50 1P
260 V
Neutral 1
50
50
-
50
1.5
230
260
16623
PRF1 N/PE 100 1P
260 V
Neutral 2
100
100
-
100
1.5
230
260
16624
PRF1 1P+N 440 V 1P+N 2
35/50 N/PE 25/50 N/PE -
35/50 N/PE 1.5
230
350
16625
PRF1 3P 440 V
3P 3
35
25
-
35
1.5
230 / 400 350
16627
PRF1 3P+N 440 V 3P+N 5
35/100 N/PE 25/100 N/PE -
35/100 N/PE 1.5
230 / 400 350
16628
PRF1 12.5r
Type
1 + 2
PRF1 12.5r 1P+N
350 V
1P+N 2
12,5/50 N/PE
50
25
1.5
230
350
16632
PRF1 12.5r 3P 350 V 3P 4
12,5
50
25
1.5
230 / 400 350
16633
PRF1 12.5r 3P+N
350 V
3P+N 4
12,5/50 N/PE
50
25
1.5
230 / 400 350
16634
PRF1 Master
Type
1
PRF1 Master 1P
440 V
1P 2
50
35
-
50
1.5
230
440
16630
Withdrawable surge arrester
PRD1 25r
Type
1 + 2
PRD1 25r 1P
1P 2
25
40
25
1.5
230
350
16329
PRD1 25r 1P+N 2P 3
25/100 N/PE
40
25
1.5
230/400 350
16330
PRD1 25r 3P
3P 6
25
40
25
1.5
230
350
16331
PRD1 25r 3P+N 4P 8
25/100 N/PE
40
25
1.5
230/400 350
16332
PRD1 Master
Type
1
PRD1 Master 1P 1P 2
25
-
25
1.5
230
350
16360
PRD1 Master 1P+N 2P 4
25/100 N/PE
-
25
1.5
230/400 350
16361
PRD1 Master 3P 3P 6
25
-
25
1.5
230
350
16362
PRD1 Master 3P+N 4P 8
25/100 N/PE
-
25
1.5
230/400 350
16363
Spare cartridge
C1 Master-350
1P
-
-
-
25
1.5
-
350
16314
C1 25-350
1P
-
-
-
25
1.5
-
350
16315
C2 40-350
1P
-
-
-
20
1.4
-
350
16316
C1 Neutral-350
1P
-
-
-
-
-
-
350
16317
Name of the surge arrester
Spare cartridge
Phase
Neutral
Type 1
Type 2
PRD1 25r
PRD1 25r 1P
16315
16316
-
PRD1 25r 1P+N
16315
16316
16317
PRD1 25r 3P
3 x
16315
3 x
16316
-
PRD1 25r 3P+N
3 x
16315
3 x
16316
16317
PRD1 Master
PRD1 Master 1P
16314
-
-
PRD1 Master 1P+N
16314
-
16317
PRD1 Master 3P
3 x
16314
-
-
PRD1 Master 3P+N
3 x
16314
-
16317