Semiconductor fuses
fuses
Semiconductor (AC)
Other Protistor
®
Fuses
BS88-4 Fuses
36x55, 2x36x55 - 690 VAC
EXTREMELY HIGH BREAKING CAPACITY FUSES:
PROTECTION OF POWER SEMICONDUCTORS AS PER IEC
STANDARD 60269.1 AND 4
690 V VOLTAGE RATING COMPLYING WITH IEC 33
AR CLASS (RATINGS FROM 75 TO 800 A) AS PER VDE 636-23
AND IEC 60269.4
THREE MODELS COMPLYING WITH BS 88-4
- WITHOUT INDICATOR
- WITH SEPARATE TRIP-INDICATOR
- WITH BUILT-IN TRIP-INDICATOR
Main Characteristics
Voltage
rating
UN( V )
Size
Class
Current
rating
IN( A )
Pre-arcing
I
2
t @ 1 ms
I
2
tp (A
2
s)
Total clearing I
2
t @ 660 V
A
2
s
I
p
≤
50
I
N
I
p > 50
I
N
Watts loss
0.8
I
N
Tested
Breaking capacity
I
N
19.5
22.8
41.4
44.1
14.0
17.1
23.5
25.5
35.3
35.7
33.1
34.5
38.0
42.6
48.5
50.0
33.0
37.6
62.3
88.2
73.2
47.6
59.0
54.0
62.0
63.8
69.0
85.2
97.0
100.0
URR
75
110
200
250
50
65
85
90
150
180
200
250
280
315
355
400
200
235
400
500
630
175
300
325
355
450
500
630
710
800
350
1180
3900
8760
180
335
480
720
2880
5350
9510
21400
29100
38100
48200
72000
4700
6920
21200
35000
97300
2880
13700
21400
25200
65600
85600
152000
193000
282000
1800
6000
18500
41000
860
1600
3450
41000
12600
22500
40000
97000
125000
157000
190000
265000
24000
34500
100000
164000
515000
13800
660000
900000
106000
300000
390000
630000
760000
1.22 10
6
2000
67000
20500
46000
990
1840
4000
4700
14500
25500
46000
11000
145000
180000
215000
305000
27000
39000
110000
184000
575000
16000
68000
102000
120000
340000
440000
720000
860000
1.22 10
6
9.7
11.3
21.8
23.6
7.3
8.8
12.2
13.2
18..9
19.1
17.7
18.7
20.3
222.77
25.9
26.7
18.4
21.0
34.8
47.2
41.1
24.7
31.5
30.0
33.1
34.6
37.44
45.4
51.8
53.4
200k A
@ 690 V
36x55
URGL
200k A
@ 690 V
690V
URU
200k A
@ 690 V
2x36x55
URGM
200k A
@ 690 V
Minimum operating voltage for built-in and separate trip indicator = 20 V
SCAC
222
12/04
Semiconductor (AC) fuses
Other Protistor
®
Fuses
BS88-4 Fuses
36x55, 2x36x55 - 690 VAC
Size
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
Semiconductor fuses
Designation
URGL
URGL
URR
URGL
URGL
URR
URGL
URGL
URR
URGL
URR
URGL
URGL
URGL
URGL
URGL
36/50
36/65
36/75
36/85
36/90
36/110
36/150
36/180
36/200
36/200
36/250
36/250
36/280
36/315
36/355
36/400
Ref. Numbers
CP 36x55
without trip-indicator
Ref. Number
X097103
H097113
H097136
M097163
N097164
P097165
Q097166
R097167
S097168
T097169
V097170
W097171
A097175
B097176
C097177
D097178
Pack.
Catalog Number
BS36UL69V50
BS36UL69V65
BS36UR69V75
BS36UL69V85
BS36UL69V90
BS36UR69V110
BS36UL69V150
BS36UL69V180
BS36UR69V200
BS36UL69V200
BS36UR69V250
BS36UL69V250
BS36UL69V280
BS36UL69V315
BS36UL69V355
BS36UL69V400
6
(220g)
36x55
Size
Designation
6,6
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
URGL
URGL
URR
URGL
URGL
URR
URGL
URGL
URR
URGL
URR
URGL
URGL
URGL
URGL
URGL
36T50
36T65
36T75
36T85
36T90
36T110
36T150
36T180
36T200
36T200
36T250
36T250
36T280
36T315
36T355
36T400
Ref. Number
N097210
K097230
H099965
M097255
N097256
R099973
Z082178
P097257
A085560
R097259
W097263
X097264
Y097265
Z097266
A097267
C097269
Pack.
Catalog Number
BS36UL69V50T
BS36UL69V65T
BS36UR69V75T
BS36UL69V85T
BS36UL69V90T
BS36UR69V110T
BS36UL69V150T
BS36UL69V180T
BS36UR69V200T
BS36UL69V200T
BS36UR69V250T
BS36UL69V250T
BS36UL69V280T
BS36UL69V315T
BS36UL69V355T
BS36UL69V400T
CP 36x55
with built-in trip-indicator
36x55
6
(220g)
Microswitch MC 36 GR 2.5 - Ref. P 092496
CP 36x55
with separated trip-indicator
BS88-4
Size
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
Designation
URGL
URR
URGL
URGL
URR
URGL
URR
URGL
URGL
URGL
URGL
URGL
36P90
36P110
36P150
36P180
36P200
36P200
36P250
36P250
36P280
36P315
36P355
36P400
Ref. Number
H097182
J097183
K097184
L097185
M097186
N097187
P097188
Q097189
R097190
V097193
Y097196
M097209
Pack.
Catalog Number
BS36UL69V90P
BS36UR69V110P
BS36UL69V150P
BS36UL69V180P
BS36UR69V200P
BS36UL69V200P
BS36UR69V250P
BS36UL69V250P
BS36UL69V280P
BS36UL69V315P
BS36UL69V355P
BS36UL69V400P
6
(230g)
36x55
Microswitch MC 36 GR 2.5 - Ref. Y 310015
Size
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
Designation
URGM
URU
URU
URGM
URGM
URGM
URU
URGM
URGM
URU
URGM
URU
URGM
URGM
236/175
236/200
236/235
236/300
236/325
236/355
236/400
236/450
236/500
236/500
236/630
236/630
236/710
236/800
Ref. Number
D097270
F097272
J097275
K097276
R097282
S097283
T097284
Y097288
Z097289
A097290
B097291
R097351
S097352
Y097357
Pack.
Catalog Number
BS236UM69V175
BS236UU69V200
BS236UU69V235
BS236UM69V300
BS236UM69V325
BS236UM69V355
BS236UU69V400
BS236UM69V450
BS236UM69V500
BS236UU69V500
BS236UM69V630
BS236UU69V630
BS236UM69V710
BS236UM69V800
CP 2x36x55
without trip-indicator
2x36x55
3
(400g)
CP 2x36x55
with built-in trip-indicator
Size
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
Designation
URGM
URU
URU
URGM
URGM
URGM
URU
URGM
URGM
URU
URGM
URU
URGM
URGM
236T175
236T200
236T235
236T300
236T325
236T355
236T400
236T450
236T500
236T500
236T630
236T630
236T710
236T800
Ref. Number
F097456
G097457
A082179
S085553
J097459
N097463
P097464
Q097465
R097466
S097467
V097469
W097470
C097476
D097477
Pack.
Catalog Number
BS236UM69V175T
BS236UU69V200T
BS236UU69V235T
BS236UM69V300T
BS236UM69V325T
BS236UM69V355T
BS236UU69V400T
BS236UM69V450T
BS236UM69V500T
BS236UU69V500T
BS236UM69V630T
BS236UU69V630T
BS236UM69V710T
BS236UM69V800T
3
(400g)
2x36x55
Microswitch MC 36 GR 2.5 - Ref. P 092496
12/04
SCAC
223
Semiconductor fuses
fuses
Semiconductor (AC)
Other Protistor
®
Fuses
BS88-4 Fuses
36x55, 2x36x55 - 690 VAC
CP 2x36x55
with separated trip-indicator
BS88-4
Size
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
6,9
Designation
URGM
URU
URU
URGM
URGM
URGM
URU
URGM
URU
URGM
URU
URGM
URGM
URGM
236P175
236P200
236P235
236P300
236P325
236P355
236P400
236P450
236P500
236P500
236P630
236P630
236P710
236P800
Ref. Number
A097359
E097363
F097364
G097365
Q097373
R097374
S097375
T097376
V097377
E097386
J097390
P097395
B097452
E097455
Pack.
Catalog Number
BS236UM69V175P
BS236UU69V200P
BS236UU69V235P
BS236UM69V300P
BS236UM69V325P
BS236UM69V355P
BS236UU69V400P
BS236UM69V450P
BS236UU69V500P
BS236UM69V500P
BS236UU69V630P
BS236UM69V630P
BS236UM69V710P
BS236UM69V800P
3
(410g)
2x36x55
Microswitch MC 6,3 GR 2.5 - Ref. Y 310015
Electrical characteristics
Times vs current characteristics
690 V URR
290
110
200
250
75
85
250
315
150
180
200
355
400
75
50
65
90
690 V URGL
690 V URU
325
450
300
355
630
175
500
710
800
690 V URGM
200
235
400
500
• These curves indicate, for each rated current, the pre-arcing time vs. the R/M.S. pre-arcing current.
• Tolerance for the mean pre-arcing current ± 10%
SCAC
224
630
12/04
Semiconductor (AC) fuses
Other Protistor
®
Fuses
BS88-4 Fuses
36x55, 2x36x55 - 690 VAC
Semiconductor fuses
Corrective factor - Peak arc voltage
Corrective
factor
Peak arc
voltage
Corrective
factor
Peak arc
voltage
Corrective factor
The mean curves shows the variation of total clearing
time (I
2
tt) and total clearing duration Tt as a function of
operating voltage U.
Peak arc voltage
This curve shows peak value Um of the arc voltage
which appears across the fuse-link as a function of the
operating voltage U @ cos j = 0.15
DC Application data
Curves and Ipm for each rating
Class
Rated
current
75
110
200
250
200
235
400
500
630
Curve*
I
pm (A)
2
2
2
2
2
2
2
2
1
225
330
600
750
600
700
1200
1500
1890
URR
URU
• This curves indicate the permissible value of time constant L/R as a function of DC working voltage
• Ipm values give the minimum DC interrupting current in amps.
12/04
SCAC
225
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