Westcode Semiconductors xEW, xEWI Catalog Page
Date:- 18 Mar, 2005
Data Sheet Issue:- 1
Ultra Rapid
Semiconductor Protection Fuse
BS 88 Round Body Type Fuses 690V
British Standard BS88-4
Voltage Rating - 690V
gR and aR Characteristics
Current Ratings from 12A to 100A
Size 17x49
Key Features:
Extremely high interrupting rating fuses for the protection of power semiconductors as per
IEC Standard 269.1 and 4.
690V voltage rating complying with IEC 33
Non Magnetic construction
gR Characteristics, current ratings from 12A to 90A in accordance with VDE 636-23 and EC 269.4
aR Characteristics for current rating 100A in accordance with VDE 636-23 and IEC 60269.4
Available with or without trip indicator switch
Microswitch reference : MS 6.3 GR 2-5N for fuse with separate trip indicator
These fuses are UL recognised
Data Sheet. xEW & xEWI Issue 1 Page 1 of 5 March, 2005
WESTCODE An IXYS Company BS 88 round body 690V
Main Characteristics:
EW : 17x27 Without trip indicator
Size
Voltage
U
(V)
N
12EW
16EW
20EW
25EW
32EW
35EW
17x49
690
40EW
45EW
50EW
63EW
75EW
80EW
90EW
100EW*
* aR characteristics
Ref:
Micro
Switch
Current
rating
I
(A)
N
N12
N16
N20
N25
N32
N35
N40
N45
N50
N63
N75
N80
N90
N 100
Pre-arcing
2
I
t @ 1 ms
2
I
tp(A2s)
Total Clearing
2
t @ UN (A2s)
I
4.2 30 1.95 3.5
9.6 65 2.2 4
17.1 110 3 5.5
26.8 170 4.4 8
52.5 330 5 9
69 430 5.2 9.5
96 610 5.8 10.5
130 820 6.3 11.5
154 970 7.2 13
310 1950 8 14.5
520 3250 8.8 16
620 3900 9.4 17
840 5300 11 20
965 6150 13 23.5
Power Losses @
0.8 In In
Tested
Interrupting
rating
200kA @ 690V
EWI : 17x27 With separate trip indicator
(A)
Pre-arcing
2
I
t @ 1 ms
2
I
tp(A2s)
Total Clearing
2
t @ UN (A2s)
I
4.2 30 1.95 3.5
9.6 65 2.2 4
17.1 110 3 5.5
26.8 170 4.4 8
52.5 330 5 9
69 430 5.2 9.5
96 610 5.8 10.5
130 820 6.3 11.5
154 970 7.2 13
310 1950 8 14.5
520 3250 8.8 16
620 3900 9.4 17
840 5300 11 20
965 6150 13 23.5
Size
17x49
Voltage
U
(V)
N
690
Ref:
12EWI
16EWI
20EWI
25EWI
32EWI
35EWI
40EWI
45EWI
50EWI
63EWI
75EWI
80EWI
90EWI
100EWI*
Micro
Switch
Current
rating
I
N
Y12
Y16
Y20
Y25
Y32
Y35
Y40
Y45
Y50
Y63
Y75
Y80
Y90
Y 100
* aR characteristics
Notes: Minimum operating voltage for integrated trip indicator = 20V
Microswitch reference :
MS 6.3 GR 2-5N
Power Losses @
0.8 In In
Tested
Interrupting
rating
200kA @ 690V
Data Sheet. xEW & xEWI Issue 1 Page 2 of 5 March, 2005
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