Siemens Sinamics S120 Manual page 590

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Table of Contents

Motor-side power components

10.1 Motor reactors

Danger to life due to electric shock in the event of missing touch protection

Death or serious injury can result when live parts are touched.

• For the motor reactors, use touch protection according to IPXXA or corresponding to the

Fire hazard due to overheating because of inadequate ventilation clearances

Inadequate ventilation clearances can cause overheating with a risk for personnel due to

smoke and fire. This can also result in increased failure rates and a shorter service life of

the components.

• Maintain the 100 mm clearances above and below the components.

Risk of burns due to high surface temperatures

The motor reactors can become very hot. You can get seriously burnt when touching the

• Mount the motor reactors so that contact is not possible. If this is not possible, attach

• To prevent adjacent components from suffering damage due to these high

Maximum permissible output frequency

The maximum permissible output frequency when motor reactors are used is 120 Hz.

Damage caused by using incorrect motor reactors

When using motor reactors that have not been approved by Siemens for SINAMICS, the

motor reactors can be damaged.

• Only use motor reactors that SIEMENS has approved for operation with SINAMICS.

Maximum cable length of the connection cables

The connection cables to the Motor Module must be kept as short as possible (max. 5 m).

local installation regulations.

clearly visible and understandable warning notices at hazardous positions.

temperatures, maintain a clearance of 100 mm on all sides of the motor reactors.

Booksize Power Units

Manual, (GH2), 04/2014, 6SL3097-4AC00-0BP6