D 102
APPLICATIONS DATA
800V AC
gRB from 8 to 110A
SIZES: 27 X 60
Features/Benefits
➤Extremely high Interrupting rating Fuses:
Protection of power Semiconductors complying
with IEC standards 269-1 and 4
➤800V Voltage Rating according to IEC 33
➤gR Class as per IEC 269-4
-Full range protection
-Improved safety and protection
-Allows selective coordination
➤With built in Trip Indicator
Dimensions
Minimum operating voltage for trip-indicator: 20 V
See Fuse Blocks and Fuse Holders section
Voltage
rating
UN( V )
800
Class
Current
rating
IN( A )
8
10
12
16
20
25
32
40
50
63
80
100
110
Tested
interrupting
rating
175 kA
@ 700 V
90 kA
@ 800 V
Total clearing
I
2
t @ U
N
I
2
tt(A
2s
)
pre-arcing
I
2
t @ 1 ms
I
2
tp(A
2s
)
4.25
8.0
17.0
26.5
38.5
73.0
130
195
430
965
1890
3480
4670
gRB
Watt losses
0.8 ININ
1.2
1.3
1.4
1.9
2.4
2.8
3.5
4.7
4.8
5.6
6.4
7.4
7.7
70
100
180
250
350
600
1000
1400
2700
5500
11000
19000
27000
2.0
2.3
2.5
3.5
4.0
5.0
6.0
8.0
8.5
10
11.5
13
14
821 CP GRB27.60 8
821 CP GRB27.60 10
821 CP GRB27.60 12
821 CP GRB27.60 16
821 CP GRB27.60 20
821 CP GRB27.60 25
821 CP GRB27.60 32
821 CP GRB27.60 40
821 CP GRB27.60 50
821 CP GRB27.60 63
821 CP GRB27.60 80
821 CP GRB27.60 100
821 CP GRB27.60 110
CATALOG NO.
R221436
S221437
T221438
V221439
W221440
X221441
Y221442
Z221443
A221444
B221445
C221446
D221447
E221448
REF PACK
10
10
10
10
10
10
10
10
10
10
10
10
10
FRENCH CYLINDRICAL
821cp gRB SEMICONDUCTOR PROTECTION FUSES
D 103
D
FRENCH CYLINDRICAL
821cp gRB SEMICONDUCTOR PROTECTION FUSES
Total clearing I2tDC Voltage Capabilities vs. Time Constant
Peak let-thru Data Clearing i2t vs. Operating Voltage
Melting Time Current Data
Peak arc voltage
Watts loss Correction
Above: Horizontal curves show maximum values of total clearing I2t (I2tt) as function
of prospective current lp. @ UNwith cosj = 0.15 Oblique lines indicatye total
clearing duration Tt and associated pre-arching duration in brackets.
Provides the DC voltage capability of a fuse as a
function of the circuit time constant.
Below: Curves show, for each rating, value of peak let-through
current Ic as a function of available fault current ip.
Correction Factor
to determine the
clearing I
2
t of a fuse
operating below its
rated voltage
Determines the peak
arc voltage across
the fuse terminals as
a function of applied
voltage.
Correction factor to
determine watts loss
value of a fuse
operating below its
rated current.
Left: Curves show,
for each rated
current, pre-arching
time vs. R.M.S.
pre-arching current.
Tolerance for mean
pre-arching current
±
8%.
1 - L/R = 60 ms / 2 - L/R = 30 ms
Above: Curves indicate peak arc voltage Um
which may appear across fuse terminals of
working voltage U, for different values of
time constant L/R of the fault circuit.
2000
1800
1600
1400
1200
1000
800
600
400
200
0
0 100 300 500 700 800
U (V)
Um (V)
DC Peak Arc Voltage
