Order No.:
27H5261
Manufacturer SKU:
3RU2126-4AJ0
Order No.:
27H5261
Manufacturer SKU:
3RU2126-4AJ0
Order No.:
27H5213
Manufacturer SKU:
3RU2116-1DJ0
Order No.:
81P0308
Manufacturer SKU:
3RV2021-4NA40
Order No.:
81P0102
Manufacturer SKU:
3RV2011-0JA40
Order No.:
03P4359
Manufacturer SKU:
LRD3656
Order No.:
03P4348
Manufacturer SKU:
LRD340L6
Order No.:
03P4362
Manufacturer SKU:
LRD365L6
Order No.:
03P4345
Manufacturer SKU:
LRD3406
Order No.:
03P4307
Manufacturer SKU:
LRD3256
Order No.:
03P4183
Manufacturer SKU:
LR3D056
Order No.:
03P4365
Manufacturer SKU:
LRD3806
Order No.:
03P4197
Manufacturer SKU:
LR3D216
Order No.:
03P4334
Manufacturer SKU:
LRD3357A66
Order No.:
03P4190
Manufacturer SKU:
LR3D106
Order No.:
03P4241
Manufacturer SKU:
LR9F7381
Order No.:
03P4199
Manufacturer SKU:
LR3D226
Order No.:
03P4186
Manufacturer SKU:
LR3D076
Order No.:
03P4271
Manufacturer SKU:
LRD086
Order No.:
03P4311
Manufacturer SKU:
LRD326
Order No.:
03P4268
Manufacturer SKU:
LRD076
The purpose of a motor protection switch (MSS) is to protect electric motors from overload. This can be a form of thermal overload caused by a mechanical overload. But it is also necessary to prevent non-starting or failure of external conductors with the help of a motor protection switch. Monitoring is therefore implemented thermo-mechanically, thermo-electrically or electronically.
Motor-protective circuit breakers are used, for example, with three-phase motors. They always have an overcurrent and a short-circuit current release device, and in some cases also an undervoltage release.