ABB NBRA-6 Series Installation And Startup Manual page 16

Braking choppers
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Chapter 2 – Overview
Table 2-2 Braking circuit cable and fuse ratings for NBRA-658, NBRA-659 and NBRA-669.
Braking
ACS 600
Chopper
Type
Type
400 V a.c. Units
-0140-3
NBRA-658
-0170-3
NBRA-658
-0210-3
NBRA-658
-0260-3
NBRA-659
-0320-3
NBRA-659
-0400-3
2xNBRA-658
-0490-3
2xNBRA-659
-0610-3
2xNBRA-659
500 V a.c. Units:
-0170-5
NBRA-658
-0210-5
NBRA-658
-0260-5
NBRA-658
-0320-5
NBRA-659
-0400-5
NBRA-659
-0490-5
2xNBRA-658
-0610-5
2xNBRA-659
-0760-5
2xNBRA-659
690 V a.c. Units:
-0140-6
NBRA-669
-0170-6
NBRA-669
-0210-6
NBRA-669
-0260-6
NBRA-669
-0320-6
NBRA-669
-0400-6
NBRA-669
-0490-6
2xNBRA-669
-0610-6
2xNBRA-669
-0760-6
2xNBRA-669
1)
Ultrarapid Bussmann fuses (U
The type of the base for these fuses is 170H3005 (1400 V, 630 A, 110 mm).
2) In order for the installation to comply with the EMC Directive, unscreened single-core cable can only be used if routed inside a
cabinet that efficiently suppresses the radiated RFI emissions.
2-6
Fuse (Ultrarapid)
1)
I
DIN 43653
nom
[A]
Type
315
170M5140
400
170M5142
400
170M5142
500
170M5144
630
170M5146
400
170M5142
500
170M5144
630
170M5146
315
170M5140
400
170M5142
400
170M5142
500
170M5144
630
170M5146
400
170M5142
500
170M5144
630
170M5146
250
170M5138
315
170M5140
400
170M5142
400
170M5142
500
170M5144
630
170M5146
400
170M5142
500
170M5144
630
170M5146
ACS 600
NBRA-6xx
Braking
Resistor(s)
= 1250 V). Fuses with the same ratings from other manufacturers can also be used.
N
Chopper Cable (Cu)
2)
Single-core
Multicore
2
2
[mm
]
[mm
50
3x70+35
70
3x95+50
70
3x95+50
95
3x120+70
120
3x185+95
70
3x95+50
95
3x120+70
120
3x185+95
50
3x70+35
70
3x95+50
70
3x95+50
95
3x120+70
120
3x185+95
70
3x95+50
95
3x120+70
120
3x185+95
35
3x50+25
50
3x70+35
70
3x95+50
70
3x95+50
95
3x150+70
120
3x185+95
70
3x95+50
95
3x150+70
120
3x185+95
Installation and Start-up Guide for NBRA-6xx
Resistor Cable (Cu)
2)
Single-
Multicore
2
]
core [mm
]
50
3x70+35
50
3x50+25
50
3x50+25
50
3x70+35
70
3x95+50
50
3x50+25
50
3x70+35
70
3x95+50
50
3x70+35
70
3x95+50
50
3x50+25
50
3x70+35
70
3x95+50
50
3x50+25
50
3x70+35
70
3x95+50
35
3x50+25
50
3x70+35
70
3x95+50
50
3x50+25
50
3x95+50
70
3x95+50
50
3x50+25
50
3x95+50
70
3x95+50
2
[mm
]

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