CORRESPONDANCE TO THE STANDARDS
The N series contactors are constructed and designed according to the International Standards IEC 947-4-1. Moreover they are officially type tested by the ITALIAN SHIPPING REGISTER (R.I.Na) and meet the requirements of the LLOYD' REGISTER OF SHIPPING, the AMERICAN BUREAU OF SHIPPING and the BUREAU VERITAS (French shipping Register). They also meet the requirements of other International Standards such as ASE (Switzerland), VDE (Germany), CSA (Canada), NEMA (USA) and BSI (Gt. Britain).
MECHANICAL INTERLOCK
All the contactors of the N series are mechanically interlockable two by two, between types of the same size and number of poles. The mechanical interlock, normally provided for contactors mounted one above the other, works directly on the electromagnets for the contactors of the size, N46/N125. For contactors of the bigger sizes, the mechanical interlock works by means of a rod connected to the movable axles. This type of mechanical interlock is adjustable for the clearance as well as the distance of the contactors. On request it is possible to interlock contactors mounted side by side. Moreover, interlocks among more than two contactors can be investigated on request.
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