MOTORIZED CHANGE-OVERSWITCHES – CMA

_GENERALITIES

The three and four pole change-over switches, with motorized operation, allow remote control of change-over/ breaking/disconnection under load of power circuits in low voltage systems

_RANGE

The range of motorized change-over switches is made by 15 sizes of switches of current rating from 160A to 4000A,3 and 4 poles are available in the CS series with switch disconnectors laid one upon the other and in the “CO” series with switch disconnectors horizontally interlocked.

The CS series is made by 4 families: MSX1, MSX, MSY, MS differentiated among them mainly by the supply voltage and by the display of the position of the change-over switch.
The horizontal CO series is made in the MS version only

_GENERAL CHARACTERISTICS

• The motorized change-over switches are made by means of two switch disconnectors of Visualcompact and Globe Technics series mechanically interlocked.
• Automatic under-load change-over (ac-22, ac-23) from and to any of positions “1”, “0”, “2” both electrical and manual (emergency changeover), transfer function with direct transition from position “1” to position “2” and viceversa
• Front display of positions “1”, “0”, “2” by digital display (for MS version) and mechanical indicator.
• Safety: locking by padlock preventing any electrical or manual operation, key lock for the selection of electrical or manual operation (for MS series only)
• External signalisation of positions “1”, “0” and “2” by a clean contact (no voltage supply)
• Quick operating time from pos. “1” To “2” and back
• Easy and fast electrical connections by means of terminal blocks of quick connection type
• Power supply voltage 12-24v dc, 110/220v ac, others on request
• Compact dimensions
• Selection of operating logic by a micro switch on the pc board and easily accessible for the following logic:
  • A) impulse (150ms min)
  • B) contactor (maintained contact

_ACCESSORIES

• Handle for emergency manual operation supplied with the change over switch
• Special executions and special power supply voltages on request.
• Bridge connections for two layers change-over switches of CS2, CS3, CS4 e CS5 series.