Semiconductor fuses
Semiconductor (AC) fuses
SCAC50
Protistor®Square-body Fuses
PSC gR/aR sizes 000/00
gR/aR - 500 to 690 VAC DIN 000
12/04
Voltage
rating
UN( VAC)
690
690
500
Class
gRB
URB
URB
Current
rating
IN (A)
16
20
25
32
40
50
63
80
100
125
80
100
125
160
200
250
315
350
400
Tested
Breaking Capacity
200 k A
@ 690 V
200 k A
@ 690 V
120 k A
@ 500 V
Estimated
Breaking Capacity
300 k A
@ 690 V
300 k A
@ 690 V
Pre-arcing
I2t @ 1 ms
I2tp (A2s)
8,2
12
20
39
70
102
210
475
970
1900
390
690
1300
2700
5250
9900
15500
22400
33200
Watts loss
0.8 IN IN
-
3.8
5.0
5.5
6.6
7.7
8.8
9.9
11
11.6
11.6
12.7
14.3
17.0
19.8
24.8
31.9
31.9
36.3
5,6
7
9
10
12
14
16
18
20
21
21
23
26
31
36
45
58
58
66
* @ Un
Minimum operating voltage for blown fuse indicator: 20 V
Minimum operating voltage for trip-indicator: 20 V
- EXTREMELY HIGH BREAKING CAPACITY FUSES: PROTECTION OF
POWER SEMICONDUCTORS ACCORDING TO IEC 60269-1 and 4
- 690V VOLTAGE RATING (RATING 20 TO 400 A)
- gR CLASS (gRB RATINGS 20 TO 125 A) ACCORDING TO VDE 636-23
- CLEARING ALL OVERLOADS
- IMPROVING SAFETY AND PROTECTION
- ENABLING SELECTIVE COORDINATION WITH ALL FUSES
- aR CLASS (URB RATINGS 80 TO 400 A) ACCORDING TO VDE 636-23
AND IEC 60269.4
- ALL MODELS COMPLYING WITH DIN 43653-00C ARE
WITH OR WITHOUT BLOWN FUSE INDICATION
WITH TRIP INDICATOR
- MODEL COMPLYING WITH DIN 43620 (00C) STANDARD WITH
BLOWN FUSE INDICATION - WITH TRIP INDICATOR
60
80
150
270
460
730
1500
2900
6000
11800
2500
4200
8900
16000
31500
52000
82000
110000*
160000*
Total clearing
I2t @ 660V
I2tt (A2s)
Main Characteristics
GERMAN STANDARD
gRB - URB from 20 to 400 A
Size: 000
SCAC51
Semiconductor fuses
Semiconductor (AC) fuses
Protistor®Square-body Fuses
PSC gR/aR sizes 000/00
gR/aR - 500 to 690 VAC DIN 000
12/04
German standard blade-type DIN 43620
with trip-indicator
Weight: 150g
Packaging: 3 pieces
* Fuse base: 00-EP Ref Number F215170
Pull out grip handle: Ref Number K217244
Microswitches
MS 4L 2-5 B6 + PRES Ref. F210156
MS 4L 2-5 B2 + PRES Ref. G210157
Weight: 130 g
Packaging: 6 pieces
* Fuse base: SI 000 DIN 80
Ref. Number: C220710
16
20
25
32
40
50
63
80
100
125
Y210609
Z210610
A210611
B210612
C210613
D210614
E210615
F210616
G210617
H210618
1
1
1
1
1
1
1
1
1
0,9
6,9 GRB 000 PV016
6,9 GRB 000 PV020
6,9 GRB 000 PV025
6,9 GRB 000 PV032
6,9 GRB 000 PV040
6,9 GRB 000 PV050
6,9 GRB 000 PV063
6,9 GRB 000 PV080
6,9 GRB 000 PV100
6,9 GRB 000 PV125
PC000GB69V16PV
PC000GB69V20PV
PC000GB69V25PV
PC000GB69V32PV
PC000GB69V40PV
PC000GB69V50PV
PC000GB69V63PV
PC000GB69V80PV
PC000GB69V100PV
PC000GB69V125PV
Current
rating
Ref.
Number I/IN*
Designation Catalog Number
16
20
25
32
40
50
63
80
100
125
80
100
125
160
200
250
315
350
400
L330060
D330030
E330031
F330032
G330033
H330034
J330035
A330073
S330112
T330113
K330036
L330037
M330038
N330039
P330040
Q330041
R330042
V330114
D330191
1
1
1
1
1
1
1
1
1
0,9
1
1
0,9
0,85
0,85
0,8
0,7
0,7
0,65
6,9 GRB 000 D08/016
6,9 GRB 000 D08/020
6,9 GRB 000 D08/025
6,9 GRB 000 D08/032
6,9 GRB 000 D08/040
6,9 GRB 000 D08/050
6,9 GRB 000 D08/063
6,9 GRB 000 D08/080
6,9 GRB 000 D08/100
6,9 GRB 000 D08/125
6,9 URB 000 D08/080
6,9 URB 000 D08/100
6,9 URB 000 D08/125
6,9 URB 000 D08/160
6,9 URB 000 D08/200
6,9 URB 000 D08/250
6,9 URB 000 D08/315
5 URB 000 D08/350
5 URB 000 D08/400
DN000GB69V16
DN000GB69V20
DN000GB69V25
DN000GB69V32
DN000GB69V40
DN000GB69V50
DN000GB69V63
DN000GB69V80
DN000GB69V100
DN000GB69V125
DN000UB69V80
DN000UB69V100
DN000UB69V125
DN000UB69V160
DN000UB69V200
DN000UB69V250
DN000UB69V315
DN000UB50V350
DN000UB50V400
Current
rating
Ref.
Number I/IN*
Designation Catalog Number
German standard without blown fuse indicator
Semiconductor fuses
Semiconductor (AC) fuses
SCAC52
Protistor®Square-body Fuses
PSC gR/aR sizes 000/00
gR/aR - 500 to 690 VAC DIN 000
12/04
Weight: 130 g
Packaging: 6 pieces
Weight: 130 g
Packaging: 6 pieces
Microswitch
MC 4L 2-5 B6 + PRES Ref. Number : F210156
MC 4L 2-5 B2 + PRES Ref. Number : G210157
Fuse base: SI 000 DIN 80 Ref. Number : C 20710
Fuse base: SI 000 DIN 80 Ref. Number : C 20710
16
20
25
32
40
50
63
80
100
125
80
100
125
160
200
250
315
350
400
C330190
P330017
Q330018
R330019
S330020
T330021
V330022
G330102
Q330110
R330111
W330023
X330024
Y330025
Z330026
A330027
B330028
C330029
W330115
E330192
1
1
1
1
1
1
1
1
1
0,9
1
1
0,95
0,85
0,85
0,8
0,7
0,7
0,65
6,9 gRB 000 D08V/016
6,9 gRB 000 D08V/020
6,9 gRB 000 D08V/025
6,9 gRB 000 D08V/032
6,9 gRB 000 D08V/040
6,9 gRB 000 D08V/050
6,9 gRB 000 D08V/063
6,9 gRB 000 D08V/080
6,9 gRB 000 D08V/100
6,9 gRB 000 D08V/125
6,9 URB 000 D08V/080
6,9 URB 000 D08V/100
6,9 URB 000 D08V/125
6,9 URB 000 D08V/160
6,9 URB 000 D08V/200
6,9 URB 000 D08V/250
6,9 URB 000 D08V/315
5 URB 000 D08V/350
5 URB 000 D08V/400
DN000GB69V16V
DN000GB69V20V
DN000GB69V25V
DN000GB69V32V
DN000GB69V40V
DN000GB69V50V
DN000GB69V63V
DN000GB69V80V
DN000GB69V100V
DN000GB69V125V
DN000UB69V80V
DN000UB69V100V
DN000UB69V125V
DN000UB69V160V
DN000UB69V200V
DN000UB69V250V
DN000UB69V315V
DN000UB69V350V
DN000UB69V400V
Current
rating
Ref.
Number
I/IN*
fuse base
Designation Catalog Number
16
20
25
32
40
50
63
80
100
125
80
100
125
160
200
250
315
350
400
X330277
J330173
K330174
L330175
M330176
N330177
P330178
Q330179
R330180
S330181
T330182
V330183
W330184
X330185
Y330186
Z330187
A330188
B330189
F330193
1
1
1
1
1
1
1
1
1
0,9
1
1
0,95
0,85
0,85
0,8
0,7
0,7
0,65
6,9 gRB 000 D08L/016
6,9 gRB 000 D08L/020
6,9 gRB 000 D08L/025
6,9 gRB 000 D08L/032
6,9 gRB 000 D08L/040
6,9 gRB 000 D08L/050
6,9 gRB 000 D08L/063
6,9 gRB 000 D08L/080
6,9 gRB 000 D08L/100
6,9 gRB 000 D08L/125
6,9 URB 000 D08L/080
6,9 URB 000 D08L/100
6,9 URB 000 D08L/125
6,9 URB 000 D08L/160
6,9 URB 000 D08L/200
6,9 URB 000 D08L/250
6,9 URB 000 D08L/315
5 URB 000 D08L/350
5 URB 000 D08L/400
DN000GB69V16L
DN000GB69V20L
DN000GB69V25L
DN000GB69V32L
DN000GB69V40L
DN000GB69V50L
DN000GB69V63L
DN000GB69V80L
DN000GB69V100L
DN000GB69V125L
DN000UB69V80L
DN000UB69V100L
DN000UB69V125L
DN000UB69V160L
DN000UB69V200L
DN000UB69V250L
DN000UB69V315L
DN000UB69V350L
DN000UB69V400L
Current
rating
Ref.
Number
I/IN*
fuse base
Designation Catalog Number
German standard with blown fuse indicator
German standard with trip-indicator
SCAC53
Semiconductor fuses
Semiconductor (AC) fuses
Protistor®Square-body Fuses
PSC gR/aR sizes 000/00
gR/aR - 500 to 690 VAC DIN 000
12/04
Total clearing I2t
10 5
10 4
10 3
10 2
10
10 6
10 5
10 4
10 3
Above: Horizontal curves show, for each rated current, values
of total clearing I2t (I2tt) as a function of prospective current
Ip. @ UN with cosj = 0.15. Oblique lines indicate total clea-
ring duration Tt, with associated pre-arcing duration in
brackets.
10 210 310 410 5 10 6
10 6
10 5
10 4
10 3
10 210 310 410 5
10 210 310 410 5
Ip (A)
I2t (A2s)
10 ms (5 ms)
10 ms (2,5 ms)
8 ms (1,8 ms)
7 ms (1,5 ms)
6 ms (1,3 ms)
5 ms (1 ms)
4 ms (0,8 ms)
3 ms (0,6 ms)
2 ms (0,4 ms)
1,5 ms (0,3 ms)
1 ms (0,2 ms)
125 A
100 A
80 A
63 A
50 A
40 A
32 A
25 A
20 A
Ip (A)
I2t (A2s)
10 ms (5 ms)
10 ms (2,5 ms)
8 ms (1,8ms)
6,5 ms (1,5 ms)
6 ms (1,3 ms)
4,5 ms (1 ms)
3,5 ms (0,8 ms)
2,5 ms (0,6 ms)
2 ms (0,4 ms)
1,5 ms (0,3 ms)
1 ms (0,2 ms)
315 A
250 A
200 A
160 A
125 A
100 A
80 A
Ip (A)
I2t (A2s)
10 ms (5 ms)
10 ms (2,5 ms)
8 ms (1,8 ms)
7 ms (1,5 ms)
6 ms (1,3 ms)
5 ms (1 ms)
4 ms (0,8 ms)
3 ms (0,6 ms)
2 ms (0,4 ms)
1,5 ms (0,3 ms)
400 A
(à 500
V)
350 A
I2t corrective factor
0 200 400 500 660
Above: Mean curves show variation of total clea-
ring time (I2tt) and total clearing duration Tt as
a function of operating voltage U.
U (V)
K
1.4
1.2
1
0.8
0.6
0.4
0.2
0
gRB
URB
URB
Peak arc voltage
Left: Curve shows peak
value Um of arc voltage
which appears across fuse
link as a function of the
operating voltage
U @ cos ϕ= 0.15
0 200 400 600 700 U (V)
Um (V)
1400
1200
1000
800
600
Semiconductor fuses
Semiconductor (AC) fuses
SCAC54
Protistor®Square-body Fuses
PSC gR/aR sizes 000/00
gR/aR - 500 to 690 VAC DIN 000
12/04
a
b
c
d
DC Application data
0
100
200
300
400
500
600
700
0
100
200
300
400
500
600
700
0.5
0.6
0.7
0.8
0.9
1.0
1.1
100
90
80
70
60
50
40
30
20
10
0
1400
1200
1000
800
600
400
200
0
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
Above: Curves indicate permissible value of time
constant L/R as a function of DC working voltage.
Curve a: Ratings from 20 to 160 A
Curve b: Rating 200 A
Curve c: Ratings from 250 to 315 A
Curve d: Ratings from 350 to 400 A
U (V) U (V)
L/R =80 ms
L/R =25 ms
L/R =10 ms
L/R (ms) Um (V)
Above: Curves indicates peak arc
voltage Um which may appear across
fuse terminals at working voltage U.
Ipm values give minimum
DC interrupting current in amps.
Above: Curve enables computation of
power losses P for a IN-rated fuse as a
function of R.M.S. current I
(as a multiple of IN for steady state
operation)
t (s)
Time vs current characteristics
10 102103104
104
103
102
10
1
10-1
10-2
10-3
10-4
Left: Curves show,
for each rated
current, pre-arcing
time vs. R.M.S.
pre-arcing current
Tolerance for
mean pre-arcing
current ± 8%.
a= 130
A2=0.6
B1= 1.25
B2= 0.6
Cf3= 0.8
t (s)
C'
C
CC'
10 102103104105
104
103
102
10
1
10-1
10-2
10-3
10-4
a= 130
A2=0.6
B1= 1.25
B2= 0.6
Cf3= 0.8
20 25
32 40
50 63
80 100
125
80
100
125
160 200
250
315
350
400
105
104
103
102
Current limitation curves Watts loss
102103104105106102103104105106
Ip (A)
I
C
(A) P/Pn
I/In
125 A
100 A
80 A
63 A
50 A
40 A
32A
25 A
20 A
400 A
350 A
315 A
250 A
200 A
160 A
125 A
100 A
80 A
Ic =
2 Ip
Ic =
2.5 Ip
Ic =
2 Ip
Ic =
2.5 Ip
I (A) I (A)
Below: Curves show, for each rating, value of peak let-through current
Ic as a function of available fault current Ip.
Rated
current (A)
20
25
32
40
50
63
80
100
125
160
200
250
315
350
400
a
a
a
a
a
a
a
a
a
a
b
c
c
d
d
60
65
90
120
150
200
270
370
500
700
1200
1800
2200
2600
3100
Curve Ipm (A)
gRB
gRB
URB
URB
