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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 occur at the converter output when long motor cables are used are reduced. Suitably dimensioned motor reactors therefore enable large capacitances and thus longer motor cables to be connected. Their use is generally recommended in the case of multi-motor drives. With option L08 for Motor Modules, a motor reactor is integrated into the Motor Module up to cabinet size GX (outputs of less than 315 kW). Due to space constraints, a separate cabinet must be planned for the output range 315 to 450 kW (cabinet size HX).
The Motor Double Choke Modules are equipped as standard with 2 identical motor reactors. Two Motor Modules can be connected to one Motor Double Choke Module, depending on the type selected.
The Motor Modules connected to the Motor Double Choke Module must be arranged immediately to the left and right of the Motor Double Choke Module.
Connection example of a Motor Double Choke Module
The table below lists the options available for Motor Double Choke Modules (for details, refer to the section "Description of the options"):
Brief description of options | Additional identification code -Z with order code and plain text if required |
Cranes industry version | B70 |
Cabinet anti-condensation heating | L55 |
Base 100 mm high, RAL 7022 | M06 |
Cable compartment 200 mm high, RAL 7035 | M07 |
IP21 degree of protection | M21 |
IP23 degree of protection (includes M60) | M23 |
Side panel (right) | M26 |
Side panel (left) | M27 |
Additional touch protection (included in M23) | M60 |
EMC shield bus | M70 |
DC busbar system (Id = 1170 A, 1 × 60 × 10 mm) | M80 |
DC busbar system (Id = 1500 A, 1 × 80 × 10 mm) | M81 |
DC busbar system (Id = 1840 A, 1 × 100 × 10 mm) | M82 |
DC busbar system (Id = 2150 A, 2 × 60 × 10 mm) | M83 |
DC busbar system (Id = 2730 A, 2 × 80 × 10 mm) | M84 |
DC busbar system (Id = 3320 A, 2 × 100 × 10 mm) | M85 |
DC busbar system (Id = 3720 A, 3 × 80 × 10 mm) | M86 |
DC busbar system (Id = 4480 A, 3 × 100 × 10 mm) | M87 |
Crane transport assembly (top-mounted) | M90 |
Special paint finish for cabinet | Y09 ● and special color RAL .... |
Assembly into transport units at factory | Y11 ● and identification code |
Label for plant identification, 1-line, 40 × 80 mm | Y31 ● and identification code |
Label for plant identification, 2-line, 40 × 180 mm | Y32 ● and identification code |
Label for plant identification, 4-line, 40 × 180 mm | Y33 ● and identification code |
Customer documentation (circuit diagram, terminal diagram, layout diagram) in DXF format | D02 |
Certain options may be mutually exclusive.
Inadmissible option combinations:
M80 | M81 | M82 | M83 | M84 | M85 | M86 | M87 | |
M80 |
| – | – | ✓ | – | – | – | – |
M81 | – |
| – | – | ✓ | – | ✓ | – |
M82 | – | – |
| – | – | ✓ | – | ✓ |
M83 | ✓ | – | – |
| – | – | – | – |
M84 | – | ✓ | – | – |
| – | ✓ | – |
M85 | – | – | ✓ | – | – |
| – | ✓ |
M86 | – | ✓ | – | – | ✓ | – |
| – |
M87 | – | – | ✓ | – | – | ✓ | – |
|
✓ Combination possible
– Combination not possible
Line voltage | Motor Double Choke Module | ||
|---|---|---|---|
Type | |||
6SL3700-2AE36-1BA3 | 6SL3700-2AE38-4BA3 | ||
Type rating | kW | 315 | 450 |
Number of reactors | 2 | 2 | |
Rated current Irated E | A | 605 | 840 |
Power loss | kW | < 2 | < 2 |
Cooling air requirement | Convection | Convection | |
Sound pressure level LpA | dB | – | – |
Line supply/load connection | 2 × M12 | 2 × M12 | |
Cable length, max. | |||
| m | 300 | 300 |
| m | 450 | 450 |
PE connection | PE bar 600 | PE bar 600 | |
Degree of protection | IP20 | IP20 | |
Dimensions | |||
| mm | 600 | 600 |
| mm | 220 | 220 |
| mm | 600 | 600 |
Weight, approx. | kg | 420 | 450 |
Matching Motor Modules | 6SL3720-1TE36-1AA3 | 6SL3720-1TE37-5AA3 | |
6SL3720-1TE38-4AA3 | |||
For further information about Motor Double Choke Modules and for ordering information, see Catalog CR 1 · 2012.
The catalog can be found at http://www.siemens.com/cranes
→ Catalog & ordering system online → Show Catalog/order.
