General:
The current conduction of the Multiconductor to the device to be fed is effected through the collector trolley. The contact with the flat copper conductors is maintained uninterruptedly by means of flexible, extreme wear-resistant carbon brushes manufactured from a specific bronze-coal alloy. The collector trolley is pulled into the Multiconductor by the moving machine to be fed and by means of a trolley towing arm mounted onto this machine. The uninterrupted copper conductors of the Multiconductor system ensure extreme high traverse speeds. For higher traverse speeds, for heavy duty and/or for dusty environments the collector trolleys are fitted with dust proof, ball bearing wheels. Multiconductor collector trolleys are availabIe for range 2 to 7 conductors with current carrying capacities of 35A, 70A and 100A (D.C. 60%) or 27,11A, 54,22A and 77,46A (D.C. 100%). Applicable from -20°C (types ../LT from -30°C) up to +80°C.

Carbon brushes:
The collector trolleys are supplied as standard with carbon brushes for 35A, positioned according to the table below. The brushes in positions 4 and 5 are both fitted as double brushes (“twin brushes”). Twin brushes are smaller than the others and their capacity is 35A per set. Advantages of this construction are a perfect balanced collector trolley and an improved transmission of control signals.

Product Picture 1
Product Picture 2
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Selection chart of standard collector trolleys + transition boxes
A max.
35
70
100
number of poles
type trolley
type trans. box
type trolley
type trans. box
type trolley
type trans. box
2
CL7-2-35
TTB35-4
CL7-2-70
TTB70-4
CL7-2-100
TTB100-4
3
CL7-3-35
CL7-3-70
CL7-3-100
4
CL7-4-35
CL7-4-70
CL7-4-100
5
CL7-5-35
TTB35-7
CL7-5-70
TTB70-7
CL7-5-100
TTB100-7
6
CL7-6-35
CL7-6-70
CL7-6-100
7
CL7-7-35
CL7-7-70
CL7-7-100

When application of 2 or 3 separate collector trolleys per apparatus to be fed (e.g. for transfer installations), the following
transition boxes are used:

Number of trolleys
type trolleys
type transition box
2 collector trolleys
CL7-2 up to 4-35
TTB70-4
2 collector trolleys
CL7-5 up to 7-35
TTB70-7
2 collector trolleys
CL7-2 up to 5-70
OG200-5
2 collector trolleys
CL7-6 up to 7-70
OG200-7
2 collector trolleys
CL7-2 up to 4-100
OG300-4
2 collector trolleys
CL7-5 up to 7-100
OG300-7
3 collector trolleys
CL7-2 up to 4-35
TTB100-4
3 collector trolleys
CL7-5 up to 7-35
TTB100-7
3 collector trolleys
CL7-2 up to 4-70
OG300-4
3 collector trolleys
CL7-5 up to 7-70
OG300-7
Carbon brush types
standard carbon brushes
silver graphite brushes*
application
brush position in collector trolley
art.no.
for normal conductors
art.no.
for silvered conductors
Phase brush** norm.
1,2,3 en 6
1411021
K91P
1412221
KZ91P
Phase brush** twin
4 en 5
1410601
C91D
1410621
CZ91D
Ground brush
7
1410521
C91A
1410531
CZ91A
* Silvergraphite brushes are softer than the conductors
** Also suitable for DC

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