Semiconductor fuses
Semiconductor (AC) fuses
Protistor
®
Square-body Fuses
PSC aR sizes 7x - 650 V to 1300 VAC
Main characteristics
Recognized
650 to 1300VAC / 63 to 2800A.
•
•
•
•
•
•
•
•
Exceptionally low I
2
T, Watt losses.
Non-magnetic construction, highly reliable low voltage.
Indicator system.
Conformity to UL, CSA investigated, IEC, DIN and VDE standards.
Increased technical performance
Higher ratings.
Reduction in volume and weight.
This fuse preselection table indicates, for each size:
-rated current (or rating) In
- pre-arcing I
2
t (I
2
tp) at 1 ms
- total operating I
2
t (I
2
tt) at 1000 V and 850V(I)f=50Hz,
cos
ϕ
=0.15, and for a total operating time from 8 to 10 ms
- dissipated power Pn at
the rated current In, and
at 0.8 In, in steady state
- breaking capacity at various voltages, checked by tests
made in accordance with IEC and American standards.
Estimated breaking
capacity: 300 kA
PSC 650 to 1300VAC US and European standard
Size
Nominal Voltage
UN (VAC)
IEC
UL
50
63
80
100
125
160
200
250
280
315
350
400
450
500
550
630
160
200
250
280
315
350
400
450
500
500
550
630
630
700
800
900
0,116
0,210
0,470
0,830
1,30
2,55
4,7
9,6
14
20
28
39
62
84
128
176
2,6
4,7
8,9
12
16
22
38
47
68
68
84
125
125
180
290
446
0,7
1,2
2,7
4,8
7,5
15
27
55
82
115
158
224
356
483
576(*)
730(*)
15
27
51
68
92
127
220
270
390
390
485
725
725
1040
1540(*)
2010(*)
Ampere
Rating (A)
Pre-arcing
I
2
t @ 1ms
(kA2s)
Total I
2
t @
1000V
(*) @ Un
(kA2s)
Tested Breaking capacity
Power (W)
End contacts
16
26
27
30
38
45
54
58
61
66
68
81
82
83
83
91
46
54
61
68
73
76
76
87
90
X
98
105
X
105
116
120
Blades
16
26
27
30
38
45
56
61
64
72
75
90
82
83
83
91
46
54
61
70
76
80
80
95
X
100
112
X
120
105
116
120
IEC
USA
1250
1300
100kA @ 1250V 100kA @ 1300V
70
1200
1100
1000
800
750
1300
1200
1100
900
800
100kA @ 1200V 100kA @ 1300V
150kA @ 1100V 150kA @ 1200V
120kA @ 1000V 120kA @ 1100V
100kA @ 800V 100kA @ 900V
100kA @ 750V 100kA @ 800V
100kA @ 1250V 100kA @ 1300V
1250
1300
71
1100
1000
900
800
1300 (TTI)
1200
1100
950
850
150kA @ 1300V
150kA @ 1100V 150kA @ 1200V
150kA @ 1000V 150kA @ 1100V
100kA @ 900V 100kA @ 950V
100kA @ 800V 100kA @ 850V
(
1
) at 850 V
(
2
) does not exist with blades
126
12/04
Semiconductor (AC) fuses
Semiconductor fuses
Protistor
®
Square-body Fuses
PSC aR sizes 7x - 650 V to 1300 VAC
Main characteristics
PSC 650 to 1300VAC US and European standard
Size
Nominal Voltage
UN (VAC)
IEC
UL
280
315
350
400
450
500
550
630
630
700
800
700
800
900
1000
315
350
375
400
450
500
550
630
700
800
700
900
800
900
1000
1100
1100
1000
1100
1250
1400
1400
1500
1600
1800
630
700
800
900
1000
1100
1250
1400
1600
1800
2000
2200
2500
800
900
1000
1100
1250
1400
1600
1800
2000
2200
2500
2800
3000
3200
3600
10
15
21
32,5
44
57
68
105
105
145
215
145
215
312
439
12
17
19
25
35,5
44
57
84
110
190
110
250
190
250
370
445
445
370
445
585
755
755
1180
1430
2040
60
84
130
176
228
272
426
568
860
1250
1760
2410
3470
100
142
176
228
336
440
760
1000
1480
1780
2340
3000
4980
5720
8160
60
87
120
190
255
330
390
610
610
815
1240
815
1240
1800
2150(*)
68
100
110
145
205
255
330
485
640
1090
640
1090
1090
1440
2130
2555
2430(*)
1920(*)
2280(*)
3080(*)
4100(*)
3700(*)
4750(*)
5740(*)
7150(*)
348
480
760
1020
1320
1560
2440
3260
4895
6350(*)
7570(*)
8350(*)
12000(*)
580
820
1000
1300
1900
2600
4400
5800
8500
9632(*)
12075(*)
15000(*)
15700(*)
19030(*)
25200(*)
Ampere
Rating (A)
Pre-arcing
I
2
t @ 1ms
(kA2s)
Total I
2
t @
1000V
(*) @ Un
(kA2s)
Power (W)
End contacts
72
76
77
80
87
94
110
113
X
122
125
X
X
130
136
84
86
93
99
110
116
125
135
136
X
150
X
X
152
168
168
X
X
186
210
210
200
203
206
160
162
168
183
197
231
237
256
262
275
285
320
340
195
208
231
244
262
283
286
315
319
353
390
440
405
426
430
Tested Breaking capacity
Estimated B.C 300 kA
IEC
USA
Blades
72
76
77
80
89
98
120
X
125
140
146
140
146
152
136
84
86
93
100
112
120
132
X
X
146
X
148
170
168
208
X
174
208
X
X
X
X
X
X
1250
1300
100kA @ 1250V 100kA @ 1300V
72
1100
1200
150kA @ 1100V 150kA à 1200V
150kA @ 1000V 150kA @ 1100V
1000
850
1100
900
100kA @ 850V 100kA @ 900V
1250
1300
100kA @ 1250V 100kA @ 1300V
1200
73
1100
1000
950
900
850
690
600
1300
1200
1100
1000
1000
900
700
650
100kA @ 1200V 100kA @ 1300V
150kA @ 1100V 150kA @ 1200V
150kA @ 1000V 150kA @ 1100V
150kA @ 950V 150kA @ 1000V
150kA @ 900V 150kA @ 1000V
150kA @ 850V 150kA @ 900V
180kA @ 690V 180kA @ 700V
120kA @ 600V 120kA @ 650V
1250
100kA @ 1250V
2 x 72
1100
1000
900
750
650
100kA @ 1100V
100kA @ 1000V
100kA @ 900V
100kA @ 750V
100kA @ 650V
1250
100kA@ 1250V
2 x 73
1100
1000
950
900
850
600
550
100kA @ 1100V
120kA @ 1000V
100kA @ 950V
110kA @ 900V
100kA @ 850V
200kA @ 600V
200kA @ 550V
(
1
) at 850 V
(
2
) does not exist with blades
12/04
SCAC
127
Semiconductor fuses
Semiconductor (AC) fuses
Protistor
®
Square-body Fuses
PSC aR sizes 7x - 650 V to 1300 VAC
IEC Terminals - French 70 - 73 End contacts
Size
12,5
12,5
12,5
12,5
12,5
12,5
12,5
12,5
12
12
11
11
11
10
8
12,5
12,5
12,5
12,5
12,5
12,5
12,5
12,5
11
11
11
10
9
8
12,5
12,5
12,5
12,5
12,5
12,5
12,5
12,5
12,5
11
11
10
8,5
12,5
12,5
12,5
12,5
12,5
12,5
12,5
12,5
12,5
12
10
9,5
9
8,5
6,9
6
Designation
URD 70
URD 70
URD 70
URD 70
URD 70
URD 70
URD 70
URD 70
URD 70
URD 70
URD 70
URD 70
URD 70
URD 70
URD 70
URD 71
URD 71
URD 71
URD 71
URD 71
URD 71
URD 71
URD 71
URD 71
URD 71
URD 71
URD 71
URD 71
URD 71
URD 72
URD 72
URD 72
URD 72
URD 72
URD 72
URD 72
URD 72
URD 72
URD 72
URD 72
URD 72
URD 72
URD 73
URD 73
URD 73
URD 73
URD 73
URD 73
URD 73
URD 73
URD 73
URD 73
URD 73
URD 73
URD 73
URD 73
URD 73
URD 73
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
TT
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
0050
0063
0080
0100
0125
0160
0200
0250
0280
0315
0350
0400
0450
0500
0550
0160
0200
0250
0280
0315
0350
0400
0450
0500
0550
0630
0700
0800
0900
0250
0280
0315
0350
0400
0450
0500
0550
0630
0700**
0800**
0900**
1000**
0315
0350
0400
0450
0500
0550
0630
0700
0800
0900**
1000**
1100**
1250**
1400**
1600**
1800**
Reference Weight
Packaging
Number
(g)
C301095
M300483
N300484
P300485
Q300486
R300487
S300488
T300489
N300714
V300490
W300491
E300867
H301284
J301285
K301286
B300749
Z300517
A300518
P300715
B300519
C300520
D300521
E300522
F300523
G300524
H300525
M301288
Z300862
N301289
X301573
Y300493
Z300494
A300495
B300496
C300497
D300498
E300499
F300500
G300501
H300502
G300869
T301294
J300503
K300504
L300505
M300506
N300507
P300508
Q300509
R300510
S300511
T300512
V300513
W300514
T300696
S300718
B301301
C301302
Catalog Number
PC70UD13C50TF
PC70UD13C63TF
PC70UD13C80TF
PC70UD13C100TF
PC70UD13C125TF
PC70UD13C160TF
PC70UD13C200TF
PC70UD13C250TF
PC70UD12C280TF
PC70UD12C315TF
PC70UD11C350TF
PC70UD11C400TF
PC70UD11C450TF
PC70UD10C500TF
PC70UD80V550TF
PC71UD13C160TF
PC71UD13C200TF
PC71UD13C250TF
PC71UD13C280TF
PC71UD13C315TF
PC71UD13C350TF
PC71UD13C400TF
PC71UD13C450TF
PC71UD11C500TF
PC71UD11C550TF
PC71UD11C630TF
PC71UD10C700TF
PC71UD90V800TF
PC71UD80VC900TF
PC72UD13C250TF
PC72UD13C280TF
PC72UD13C315TF
PC72UD13C350TF
PC72UD13C400TF
PC72UD13C450TF
PC72UD13C500TF
PC72UD13C550TF
PC72UD13C630TF
PC72UD11C700TF
PC72UD11C800TF
PC72UD10C900TF
PC72UD85V1000TF
PC73UD13C315TF
PC73UD13C350TF
PC73UD13C400TF
PC73UD13C450TF
PC73UD13C500TF
PC73UD13C550TF
PC73UD13C630TF
PC73UD13C700TF
PC73UD13C800TF
PC73UD12C900TF
PC73UD10C1000TF
PC73UD95V800TFB
PC73UD90V13CTF
PC73UD85C14CTF
PC73UD69V16CTF
PC73UD60V18CTF
70
350
3
P
71
520
3
72
800
3
73
1250
1
Microswitches and threaded studs
supplied separately
Note:
Dimensions in mm
Dimensions in inches
Size
70
71
72
73
A
40
1-9/16”
B
46,5
1-27/32”
C
82
3-7/32”
D
26
1-1/64”
M
±
22
19
19
24
N
±
27
24
39
39
E
±1
74
2-29/32”
d
M8
M8
M10
M12
G
±0.1
9
23/64”
P
±0.1
6
15/64”
51
2”
56,5
2-7/32”
91
3-37/64”
30
1-3/16”
74
2-29/32”
9
23/64”
9
23/64”
60
2-3/8”
65,5
2-37/64”
100
3-15/16”
38 ; (42mm **)
1-1/2” ; (1-21/32” **)
74
2-29/32”
15
19/32”
9
23/64”
74,5
2-15/16”
79,5
3-1/8”
114
4-1/2”
46 ; (52mm **)
1-13/16” ; (2-1/16” **)
74
2-29/32”
15
19/32”
9
23/64”
SCAC
130
12/04
Semiconductor (AC) fuses
Semiconductor fuses
Protistor
®
Square-body Fuses
PSC aR sizes 7x - 650 V to 1300 VAC
IEC Terminals - French 272 - 273 End contacts
Size
12,5
12,5
12,5
12,5
12,5
12,5
12,5
12,5
12,5
12
10
9,5
9
8,5
12,5
12,5
12,5
12,5
12,5
12,5
11
11
10
9
7,5
6,5
6,5
12,5
12,5
12,5
12,5
12,5
11
11
11
10
9,5
9,5
9
8,5
6
6
5,5
Designation
URD 73
URD 73
URD 73
URD 73
URD 73
URD 73
URD 73
URD 73
URD 73
URD 73
URD 73
URD 73
URD 73
URD 73
URD 272
URD 272
URD 272
URD 272
URD 272
URD 272
URD 272
URD 272
URD 272
URD 272
URD 272
URD 272
URD 272
URD 273
URD 273
URD 273
URD 273
URD 273
URD 273
URD 273
URD 273
URD 273
URD 273
URD 273
URD 273
URD 273
URD 273
URD 273
URD 273
PPAF
PPAF
PPAF
PPAF
PPAF
PPAF
PPAF
PPAF
PPAF
PPAF
PPAF
PPAF
PPAF
PPAF
TTF
TTF
TTF
TTF
TTF
TTF
TTF
TTF
TTF
TTF
TTF
TTF
TTF
TTF
TTF
TTF
TTF
TTF
TTF
TTF
TTF
TTF
TTF
PLAF
PLAF
PLAF
PLAF
PLAF
PLAF
0315
0350
0400
0450
0500
0550
0630
0700
0800
0900
1000
1100
1250
1400
0630
0700
0800
0900
1000
1100
1250
1400
1600
1800
2000
2200
2500
0800
0900
1000
1100
1250
1400
1600
1800
2000
2200
2200
2500
2800
3000
3200
3600
Reference
Number
H300640
J300641
K300642
L300643
M300644
N300645
P300646
Q300647
R300648
S300649
T300650
V300651
T300719
V300720
W300721
X300722
Y300723
Z300724
A300725
B300726
M302231
D300728
L302230
E301994
F301995
G301996
H301997
F300730
G300731
H300732
J300733
K300734
K302229
J302228
S302236
P300738
Q300739
M301909
R300740
S300741
K301999
M302001
N302002
Weight
Packaging
(g)
Catalog Number
PC73UD13C315PP4
PC73UD13C350PP4
PC73UD13C405PP4
PC73UD13C450PP4
PC73UD13C500PP4
PC73UD13C550PP4
PC73UD13C630PP4
PC73UD13C700PP4
PC73UD13C800PP4
PC73UD12C900PP4
PC73UD10C10CPP4
PC73UD95V11CPP4
PC73UD90V13CPP4
PC73UD85V14CPP4
PC272UD13C630TF
PC272UD13C700TF
PC272UD13C800TF
PC272UD13C900TF
PC272UD13C10CTF
PC272UD13C11CTF
PC272UD11C13CTF
PC272UD11C14CTF
PC272UD10C16CTF
PC272UD90V18CTF
PC272UD75V20CTF
PC272UD65V22CTF
PC272UD65V25CTF
PC273UD13C800TF
PC273UD13C900TF
PC273UD13C10CTF
PC273UD13C11CTF
PC273UD13C13CTF
PC273UD11C14CTF
PC273UD11C16CTF
PC273UD11C18CTF
PC273UD10C20CTF
PC273UD95V22CTF
PC76UD95V22CP11
PC76UD90V25CP11
PC76UD85V28CP11
PC76UD60V30CP11
PC76UD60V32CP11
PC76UD55V36CP11
73
1250
1
73 PPAF
2x
72
1900
1
272 &273 TTF
2600
1
2x
73
3100
1
273 PLAF
Microswitches and threaded studs
supplied separately
A
B
C
D
E
F
G
H
J
K
d
e
L
M
N
2 x 72 TTF 60
2 x 73 TTF 74,5
Note:
Dimensions in mm
138,5
167
172
200
11
13
91
91
65,5
79,5
100
114
35
50
66
80
39
39
M 10
M 12
4
4
131
131
48
54
72
86
12/04
SCAC
131
Semiconductor fuses
Semiconductor (AC) fuses
Protistor
®
Square-body Fuses
PSC aR sizes 7x - 650 V to 1300 VAC
Curves set
Multiplier coefficient
K
1,4
1,2
1
0,8
0,6
0,4
0,2
0
0
*
Left: Mean curve indicating variation of total I
2
t (I
2
t t)
and total operating time Tt in accordance with
working voltage U.
Example:
Fuse 350 A in size 70.
Ip = 10 000 A U = 1100 V
At 1000 V
I
2
t t = 115 000 A
2
s Tt = 7 ms
At 1100 V
I
2
t t = 115 000 x 1.13 = 130 000 A
2
s
Tt = 7 x 1.13 = 7.9 ms
* curve for fuses with I
2
t published at 850VAC
200
400
600
800
1000 1200
U (V)
Dissipated power
P/Pn
Arc voltage
I/In
Above left: Curve enabling calculation of
dissipated power P by a fuse rated I
N
, as a
function of the RMS current I, in multiples
of I
N
, in steady state.
Above right: Curve indicating peak arc
voltage Um which may appear across
fuse terminals as a function of working
voltage U at cos
ϕ
= 0.15
SCAC
134
12/04
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