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Siemens MPCBs

Motor Protection Circuit Breaker (MPCB) is a combination protection unit comprising the functions of a switch, a short circuit protective device and an over load relay. They are designed for various current rating to suit different motor rating.

The 3VU13, 3VU16 circuit-breakers are compact circuit-breakers for currents up to 80 A which operate according to the current limiting principle. The devices are used for switching and protecting motors or other loads. They are fitted with instantaneous overcurrent releases and inverse-time delayed overload relay, 3VU16 can also be supplied with instantaneous overcurrent releases only. Circuit-breakers and contactors can be combined to form fuseless starter combinations.

The 3VU13, 3VU16 circuit-breakers are suitable for use in any climate. They are designed for operation in enclosed rooms, under good operating conditions (e.g. no dust, corrosive steam or damaging gases). They must be suitably encapsulated before being installed in dusty and humid rooms. The standards to which the breakers have been constructed, permissible ambient temperatures, maximum making and breaking capacity, tripping currents and other limiting operational conditions, are given in the technical data and tripping characteristics

Application of MPCBs

a) Standalone Motor Protection

b) Enhanced system life

c) Plant protection

Please click on the individual link below to know about more about each of the  Siemens MPCBs.



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