Alfo slipring columns

Slipring column Type SK 02-.. –SK 03-.. 50/90A
32
Technical Data
SK02-.. (50A) SK03-.. (90A)
Current rating: mA - 50 A, 100% ED mA - 90 A, 100% ED
Voltage: max. 500 V~ /660V=
Revolutions per minute: 1-200 revs/min (varying according to number of poles and
installation position)
Number of poles: 30 24
Pole pitch: 17 mm 20 mm
Slipring: ø85 mm, material: ø85 mm, material:
MS, Connection M6 MS, Connection M8
* 60A 100A
Brush gear: Industrial double support with 2 moving coal brushes,
interchangeable
50 A, Connection M5 90A, Connection M6
** Bronze/silver carbon brushes **Bronze carbon brushes
Connection box: if requested if requested
completely pre-wired completely pre-wired
with 6 mm2 with 16 mm2 Connection M5 Connection M6
max. 12 poles max. 4 poles
Insulation: Slipring column: thermoplastic resin, brush bolts = glass
filament fabric tube HGW 2375.4
Insulation group: C C
Current values:
(at max. +30°C)
Standard 50 mA - 50 A
With multi-layer coating
Standard 50 mA - 90 A
Ambient temperature:
(ML) and silver carbon brushes (ML + Ag):
5 mA and > at 6 V and >
max. +50°C / -35°C
At +50°C the max. permissible amp. load must be
consequently reduced.
For higher temperature values, please contact the
manufacturer.
Corrosion protection: Hot-galvanised steel parts, or VA-material 1.4301
Installation positions: Vertical, hanging, horizontal, please specify.
Special: * The 60A slipring can be additionally finished for mA
values. Use with silver coal brushes.
** Note: The bronze coal brushes can also be supplied in different special quality.