CPA BC 2.2 Series Manuale di istruzioni e funzionamento - Pagina 8
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Stampa la pagina6.
Options
o
Brake resistors up to 60kW permanent load in enclosure IP 20. Specific possible after previous
Consulation with TAE.
o
Overcurrent relays for protection of the brake resistor against thermal overstressing. Overcurrent
relays with higher rated current on request
6.1
Overcurrent relay
Rated current in A:
0,1 - 0,16
0,16 - 0,24
0,24 - 0,4
0,4 - 0,6
0,6 - 1
1 - 1,6
Bracket for Overcurrent relay: Art.-No. 36770-Z2
6.2
Ultrafast semiconductor fuses
Use with Braking chopper:
12262-0F...
12262-1F...
12263-AF...
12263-0F...
12263-1F...
12263-2F...
12264-0F...
12264-1F...
12264-2F...
7.
Calculation Braking Chopper and Resistor
Basis of calculation:
n[min
]
-1
0
M+
[Nm]
0
100 Nm
M-
[Nm]
P[kW]
0
25,1 kW
8
Instruction and Operation Manual
Part.-No:
36770-A2
36770-B2
36770-C2
36770-D2
36770-E2
36770-F2
Fuse value in A A
50
63
100
100
125
200
250
355
500
n
= 2400 min
max
n
t
= 14 s
t
=
RUN
BRAKE
3 s
M
MAX
P
MAX BRAKE
Rated current in A:
1,6 - 2,4
2,4 - 4
4 - 6
6 - 10
10 - 16
16 - 24
Part.-No. Fuse
34606-00
34607-00
34609-00
34609-00
34610-00
34621-00
34622-00
34633-00
on request
-1
=1200 min
-1
mittel
t
= 3 s
OFF
Part.-No:
36770-G2
36770-H2
36770-I2
36770-K2
36770-L2
36770-M2
Art.-No. Fuse Breaker 3pol
34529-00
34529-00
34529-00
34529-00
34529-00
34529-01
34529-01
34529-02
34529-03
Constant Brake torque and
linear speed reduction
t[s]
t[s]
Example:
Brake torque 100 Nm
Max Speed 2400 min-1
Motor operation time 14 sec.
Brake time 3 sec.
Stop 3 sec.
Chopper voltage 750 V
t[s]
Misprints and technical changes reserved