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VAM Digital soft starter

VAM Digital soft starter



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he VAM electronic starter is designed to start and stop 3-phase asynchronous motors gently. It works on the principle of controlling motor current three-phase parzialization. Controlling the current, VAM  reduces the peak of torque on the motor even for heavy loads of inertia and startup resulting in a reduction of mechanical stress and maintenance of the system caused by fluctuations and vibrations. VAM can control motors with double polarity even with varying power and includes a a sequence rotation sensor of power line for machines which have to work in a one-way direction. The limitation and continued control of current offer savings on electricity, most of all in cases of continuous starts and various electrical applications. Keeping this in mind the uses of VAM are many, for example startup of : machine tools, trollies, presses, pumps, compressors, draw-plates, softening machines, carnival rides, mills, ventilators, barrels etc. VAM is programmed by keyboard with an alfa-numeric lcd display by a complete software, guided, simple and clear. The display allows you to visualize the mode of the soft starter, all parameters of the settings, the Vrms value of supply voltage, the Arms value of the motor current and emergencies in the pre-chosen language.  

 

     VAM  MODEL

 

 

11

 

15

 

18

 

22

 

30

 

37

 

45

 

55

POWER 230/400V  kW

5,5/11

7,5/15

9/18,5

11/22

15/30

22/37

--/45

30/55

CURRENT nom.  Arms

23

32

37

45

63

75

86

105

CURRENT max 30"

92

128

148

180

252

300

344

420

INPUT POWER

230/400V –15+10% 50/60Hz; 415/440 on request

RAMP

ACCEL. / DEC.

Two Ramps for  twice polarity motor; 1…100 second

 

DIGITAL INPUT

Start/stop; Emergency (motor thermal probe)

Selection of two ramps with for twice polarity motor

ANALOG OUTPUT

Signal 0…10Vdc proportional of Arms motor current

RELAY

Relay output, can be set by keyboard : start, acceleration and, deceleration and, allarm, phase sense, thermic motor

CURRENT LIMIT

Startup limit current

KICKSTART

Voltage of impulsive startup

ENERGY SAVING

Mode can be used when the motor remains inactive for long periods of time or in cases of light load

PHASE SENSE

Recognition of the sequence of rotation of power line

DOUBLE SOFTWARE

Possibility of setting all the parameters relative to startup and control even for motors having 2 polarities and 2 distinct powers.

EMC

On request radiofrequency filter outside

ELETTRONIC

PROTECTIONS

Galvanic insulation between power and control;

Failure to defect of power supply; External emergency; overload motor; overcurrent soft starter; overheating inside the soft starter; protection against power surges

OPERATING TEMP.   

-10°C...+45°C without derating

STORAGE TEMP.

-20°C...+70°C

HUMIDITY

90% maximum, non condensing

PROTECTION

GRADE

Metallic covering IP20; anti-condensation treatment for aggressive environments

DIMENSIONS (mm)

145L x 360h x 180p

220L x 320h x 322p

WEIGHT (kG)

3,5 kg

13 kg

NORMS

Dir. B.T. 73/23 - 93/68          Dir. EMC 89/336 – 92/31 – 93/68

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