Options
8.23 L08/L09, motor reactor / 2 motor reactors in series
Cabinet Modules NEMA
Manual, 04/2014, A5E03586450A
439
L08/L09, motor reactor / 2 motor reactors in series
Availability of option
This option is available for the following S120 Cabinet Modules:
● Booksize Cabinet Kits (L08/L09)
● Motor Module in chassis format (L08)
Motor reactors reduce the voltage stress on the motor windings by reducing the voltage
gradients at the motor terminals that occur when motors are fed from drive converters. At the
same time, the capacitive charge/discharge currents that also occur on the output of the
Motor Module are reduced when long motor cables are used.
In addition, a motor reactor must be used for parallel connection of Motor Modules in chassis
format when a motor with a single-winding system is being supplied and the required
minimum motor cable lengths cannot be maintained.
With option L08, one motor reactor is used; with option L09, two motor reactors switched in
series are used to enable the use of a longer motor cable.
Table 8- 40 Maximum motor cable lengths when using motor reactors for Booksize Cabinet Kits
Max. motor cable length in ft (m)
With 1 motor reactor (L08)
With 2 motor reactors
(L09)
1TE24-5AU3 24 (30) 45 330 (100) 490 (150) 660 (200) 980 (300) 1320 (400) 1969 (600)
Note
Maximum motor cable length
When motor reactors are used, the maximum motor cable lengths for Motor Modules in
chassis format is 980 ft (300 m) (shielded) o
r 1,480 ft (450 m) (unshielded).
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