Semiconductor fuses
fuses
Semiconductor (AC)
Other Protistor
®
Fuses
BS88-4 Fuses
000, 2.000 BS88Z - 690 VAC
EXTREMELY HIGH BREAKING CAPACITY FUSES: PROTECTION OF
POWER SEMICONDUCTORS AS PER IEC STANDARD 60269.1 AND 4
690 V VOLTAGE RATING (RATINGS 50 TO 500 A)
gR CLASS (gRB RATINGS 50 AND 65 A) COMPLYING WITH
VDE 636-23
- CLEARING ALL OVERLOADS
- IMPROVED SAFETY AND PROTECTION
- ENABLING SELECTIVE COORDINATION WITH ALL FUSES
aR CLASS (URC AND URD RATINGS 75 TO 500 A) ACCORDING
TO VDE 636-23 AND IEC 60269.4
FOUR MODELS: SINGLE AND TWIN BODY AS PER
BS 88-4 STANDARD ; Z2 DRAWING (92 mm BETWEEN AXES)
WITHOUT BLOWN FUSE INDICATOR - WITH SEPARATE TRIP-INDICA-
TOR
These fuses are UL Recognized
Main Characteristics
Voltage
rating
UN( V )
Current
rating
IN( A )
50
65
75
85
90
110
150
180
200
250
280
175
200
235
300
325
355
400
450
500
Pre-arcing Total clearing
I
2
t @ 1 ms I
2
t @ 660 V
I
2
tp (A
2s
)
I
2
tt (A
2s
)
102
210
390
540
690
1300
2700
5250
9900
15500
15500
2760
3800
5200
10800
15400
21000
39600
40000
62000
730
1500
2500
3300
4200
8900
16000
31500
52000
82000
82000
16800
25000
35600
64000
92400
126000
208000
210000
328000
Size
Class
gRB
Watts loss
0.8 IN
IN
7.7
8.8
9.4
10.5
13.2
13.8
14.3
14.9
15.4
17.6
23.7
18.2
20.4
24.2
28.6
29.1
29.7
30.8
33
35.2
14
16
17
19
24
25
26
27
28
32
43
33
37
44
52
53
54
56
60
64
Tested
Breaking capacity
Estimated
Breaking
capacity
000
URC
URD
200 k A
@ 690 V
300 k A
@ 690 V
690
URC
2.000
URD
200 k A
@ 690 V
300 k A
@ 690 V
Minimum operating voltage for separate trip-indicator: 20 V
SCAC
218
12/04
Semiconductor (AC) fuses
Other Protistor
®
Fuses
BS88-4 Fuses
000, 2.000 BS88Z - 690 VAC
Semiconductor fuses
British standard without blown fuse indicator
Current rating
Designation
Ref. Number
Catalog Number
50
65
75
85
90
110
150
180
200
250
280
175
200
235
300
325
355
400
450
500
6,9 gRB 000 BS88Z/050
6,9 gRB 000 BS88Z/065
6,9 URC 000 BS88Z/075
6,9 URC 000 BS88Z/085
6,9 URC 000 BS88Z/090
6,9 URC 000 BS88Z/110
6,9 URC 000 BS88Z/150
6,9 URC 000 BS88Z/180
6,9 URD 000 BS88Z/200
6,9 URD 000 BS88Z/250
6,9 URC 000 BS88Z/280
6,9 URC 2000 BS88Z/175
6,9 URC 2000 BS88Z/200
6,9 URC 2000 BS88Z/235
6,9 URC 2000 BS88Z/300
6,9 URC 2000 BS88Z/325
6,9 URC 2000 BS88Z/355
6,9 URD 2000 BS88Z/400
6,9 URC 2000 BS88Z/450
6,9 URD 2000 BS88Z/500
V330137
W330138
X330139
Y330140
Z330141
A330142
B330143
C330144
D330145
E330146
F330147
P330155
Q330156
R330157
S330158
T330159
V330160
W330161
X330162
Y330163
BZ000GB69V50
BZ000GB69V65
BZ000UC69V75
BZ000UC69V85
BZ000UC69V90
BZ000UC69V110
BZ000UC69V150
BZ000UC69V180
BZ000UD69V200
BZ000UD69V250
BZ000UC69V280
BZ2000UC69V175
BZ2000UC69V200
BZ2000UC69V235
BZ2000UC69V300
BZ2000UC69V325
BZ2000UC69V355
BZ2000UD69V400
BZ2000UC69V450
BZ2000UD69V500
Weight: 140 g
Packaging: 3 pieces
50
36
3
43
10
,3
25
1 7 .3
85
113
Weight: 280 g
Packaging: 3 pieces
British standard with separate trip-indicator
Current rating
Designation
Ref. Number
Catalog Number
50
36
90
110
150
180
200
250
280
6,9 URC 000 BS88ZP090
6,9 URC 000 BS88ZP110
6,9 URC 000 BS88ZP150
6,9 URC 000 BS88ZP180
6,9 URD 000 BS88ZP200
6,9 URD 000 BS88ZP250
6,9 URC 000 BS88ZP280
G330148
H330149
J330150
K330151
L330152
M330153
N330154
BZ000UC69V90P
BZ000UC69V110P
BZ000UC69V150P
BZ000UC69V180P
BZ000UD69V200P
BZ000UD69V250P
BZ000UC69V280P
1.5
10
1
,3
25
27
7,3
85
113
Weight: 150 g
Packaging: 3 pieces
175
200
235
300
325
355
400
450
500
6,9 URC 2000 BS88ZP175
6,9 URC 2000 BS88ZP200
6,9 URC 2000 BS88ZP235
6,9 URC 2000 BS88ZP300
6,9 URC 2000 BS88ZP325
6,9 URC 2000 BS88ZP355
6,9 URD 2000 BS88ZP400
6,9 URC 2000 BS88ZP450
6,9 URD 2000 BS88ZP500
Z330164
A330165
B330166
C330167
D330168
E330169
F330170
G330171
H330172
BZ2000UC69V175P
BZ2000UC69V200P
BZ2000UC69V235P
BZ2000UC69V300P
BZ2000UC69V325P
BZ2000UC69V355P
BZ2000UD69V400P
BZ2000UC69V450P
BZ2000UD69V500P
Weight: 290 g
Packaging: 3 pieces
The use of MC 6.3 GR 2-5N blown fuse remote sensing microswitch is possible.
Ref. Number: Y 310015 mounted on separate trip-indicator.
12/04
SCAC
219
Semiconductor fuses
fuses
Semiconductor (AC)
Other Protistor
®
Fuses
BS88-4 Fuses
000, 2.000 BS88Z - 690 VAC
Total clearing I
2
t
I
2
t (A
2
s)
10 ms (2.5 ms)
7.5 ms (1.8 ms)
6.5 ms (1.5 ms)
5.5 ms (1.3 ms)
4.5 ms (1 ms)
3.5 ms (0.8 ms)
1.5 ms (0.3 ms)
3 ms (0.6 ms)
2 ms (0.4 ms)
1 ms (0.2 ms)
10 ms (5 ms)
10 ms (5 ms)
10 ms (2.5 ms)
7.5 ms (1.8 ms)
6.5 ms (1.5 ms)
5.5 ms (1.3 ms)
4.5 ms (1 ms)
3.5 ms (0.8 ms)
1.5 ms (0.3 ms)
3 ms (0.6 ms)
2 ms (0.4 ms)
1 ms (0.2 ms)
1 ms (0.2 ms)
URC (000)
URD (000)
I
2
t (A
2
s)
105
10 6
gRB
10 5
250-280 A
200 A
180 A
150 A
104
10 4
65 A
110 A
90 A
85 A
75 A
103
50 A
10 3
10 2
102
102
103
104
105
106
10 3
10 4
10 ms (5 ms)
10 5
1.5 ms (0.3 ms)
3 ms (0.6 ms)
2 ms (0.4 ms)
Ip (A)
I
2
t (A
2
s)
106
10 ms (2.5 ms)
7.5 ms (1.8 ms)
6.5 ms (1.5 ms)
5.5 ms (1.3 ms)
4.5 ms (1 ms)
3.5 ms (0.8 ms)
Above and right: Horizontal curves show, for each rated
current, maximum values of total clearing I2t (I2tt) as a
function of prospective current Ip @ UN with cos
ϕ
= 0.15.
Oblique lines indicate total clearing duration Tt, with asso-
ciated pre-arcing duration in brackets.
Ip (A)
URC (2000)
URD (2000)
500 A
400-450 A
355 A
325 A
300 A
235 A
200 A
175 A
I t corrective factor
2
105
K
1.4
1.2
1
0.8
0.6
0.4
0.2
0
Left: Mean curve
shows variation of
total clearing time
(I2tt) and total
clearing duration
Tt as a function of
operating voltage
U.
104
103
102
103
104
105
Ip (A)
Peak arc voltage
U (V)
0
200
400 500
660
Um (V)
1400
1200
Watts loss
P/Pn
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
Left: Curve enables com-
putation of power losses
P for IN-rated fuse as a
function of R.M.S. cur-
rent I (as a multiple of IN
for steady state opera-
tion)
1000
800
600
Left: Curve shows peak
value Um of the arc
voltage which appears
across fuse-link as
a function of operating
voltage U @ cos
ϕ
= 0.15
0
200
400
600
700
U (V)
0.5
0.6
0.7
0.8
0.9
1.0
1.1
I/In
220
12/04
Semiconductor (AC) fuses
Other Protistor
®
Fuses
BS88-4 Fuses
000, 2.000 BS88Z - 690 VAC
Semiconductor fuses
DC Application data
L/R (ms)
100
90
80
70
60
50
40
30
20
10
0
c b a
Um (V)
1400
1200
1000
800
600
400
200
0
Rated
current
L/R =80 ms
L/R =25 ms
L/R =10 ms
Curve
a
a
a
a
a
a
a
b
c
c
c
a
a
a
a
b
b
c
c
c
Ipm (A)
150
200
270
350
370
500
700
1200
1800
2200
2200
740
870
1000
1400
1900
2400
3600
4400
4400
50
65
75
85
90
110
150
180
200
250
280
175
200
235
300
325
355
400
450
500
0
100
200
300
400
500
600
700
U (V)
0
100
200
300
400
500
600
700
U (V)
Above: Curves indicate permissible value of time cons-
tant L/R as a function of DC working voltage.
Curve a: Ratings from 175 to 300 A
Curve b: Rating 325 A
Curve c: Ratings from 355 to 500 A
Above: Curves indicate peak arc voltage
Um which may appear across fuse termi-
nals at working voltage U.
Ipm values give minimum
DC interrupting current in amps.
Current limitation curves
I
C
(A)
105
Below: Curves indicate, for each rating value of peak let-through current Ic as a function of available fault
current Ip.
(T000)
URC
URD
Ic
104
Ic
=
65 A
50 A
103
102
102
103
104
105
106102
103
104
105
106 2
10
103
104
105
106
Time vs current characteristics
65
75
85
90
110
150
180
200
250-280
t (s)
10 4
10 3
10 2
10
1
10 -1
10 -2
10 -3
10 -4
10
12/04
50
gRB-URC (000)
URD (000)
gRB
a=130
A2=0.6
B1=1.25
B2=0.6
Cf3=0.8
URC-URD
a=130
A2=0.67
B1=1.25
B2=0.67
Cf3=0.85
175
200
235
300
325
355
400-450
500
t (s)
104
103
102
10
1
10-1
10-2
10-3
10-4
Ic
Ic
=
URC (2000)
URD (2000)
a= 130
A2=0.67
B1= 1.25
B2= 0.67
Cf3= 0.8
=
=
5
2.
Ip
gRB
2
Ip
2
Ip
(T: 2000)
URC
URD
Ip (A)
Ip
500 A
400-450 A
355 A
325 A
300 A
235 A
200 A
175 A
2
5
2.
Ip
Ic
=
250-280A
200 A
180 A
150 A
110 A
90 A
85 A
75 A
5
2.
Ip
Ic
=
Left: Curves indicate,
for each rated current,
pre-arcing time vs.
R.M.S. pre-arcing cur-
rent
Tolerance for mean
pre-arcing current ±
8%.
102
103
104
I (A)
102
SCAC
221
103
104
105
I (A)
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