Schneider Altivar 61/71 Guía De Explotación página 31

Characteristics of the braking unit
Dimensions
VW3 A7 101 braking unit
ATV71HC20N4...HC28N4 with
VW3 A7 101 braking unit
670
1190
540
102.5 27.5
Note: The presence of the VW3 A7 101 braking unit does not change the depth of the drive + braking unit assembly.
Characteristics of the braking resistors
Minimum braking resistance value to be
used with the braking unit (1)
Maximum wire size
Thermal protection
(1) It is possible to install several braking resistors in parallel on the same braking unit. In this case, do not forget to take the total resistance
value into account.
30
ATV71HC20N4D...HC28N4D with
VW3 A7 101 braking unit
950
4xØ
97.5 540
0
VW3 A7 101
ohm 1.05
2 x 185 mm²
2 x 350 MCM
- By internal drive calculation (see Programming Manual, parameter brP-).
- Via external thermal overload relay
VW3 A7 102, 103, 104 braking units
310
22.5
22,5 265
VW3 A7 102 VW3 A7 103
0.7 2
4 x 185 mm² 4 x 185 mm²
4 x 350 MCM 4 x 350 MCM
(1) with the screws
(2) without the screws
377 (1)
370 (2)
22,5
VW3 A7 104
1
4 x 185 mm²
4 x 350 MCM
1757084 11/2009