Motor start-up studies

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750 x 670 x 1970mm
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Delivery Time
4 weeks


System for studying the start-up of asynchronous motors. Supplied already wired with tutorials, a diagram and instructions.

Compatibility with motors with a power of up to 1500w, with powder brakes controlled 0-12vdc and all 1000RPM tachometer generators with 0-10v, 0-20v or 0-60v outputs.


System for studying the start-up of asynchronous motors.
For this completely stand-alone system, all you have to do is connect it to a 3-phase 400V mains socket. Selection of the required motor start-up type via push-buttons at the front of the electrical cabinet:
• Direct start-up
• Star/delta start-up
• Start-up by means of starter/decelerator
• Start-up by means of a frequency converter
A 300W asynchronous motor, a powder brake and a tachometer generator are fixed directly onto the base with wheels. The power unit and the electrical cabinet are linked together using 4mm safety leads so that measurements can be taken using a hook-on ammeter or voltmeter, etc.
A key-operated switch at the front makes it possible to use the electrical cabinet when it is switched on with the door open. In this way, a qualified individual may take electrical measurements inside the cabinet.
A multifunction measuring unit displays the electrical quantities on the front door. A digital tachometer shows the motor rotation speed. A potentiometer at the front is used for varying the motor load.


• Three-phase 400V supply voltage.
• Protected by residual current device, circuit breakers and fuses.
• Set of lamps and push-buttons for viewing and controlling the required type of start-up.
• Multifunction measuring unit with digital display, which is wired at the at the start of the circuit measuring:
- the phase-to-ground and composite voltages
- the line currents
- the active, reactive and apparent power, in total
- the power factor
- the THD (total harmonic distortion)
• Digital display showing the motor’s rotation speed
• Starter/Decelerator. All of the settings are adjusted using potentiometers on the front of the device (acceleration time, deceleration time and torque, etc.)
Acceleration time: from 1.1 to 5 seconds
Deceleration time: from 0 to 5 seconds
Torque adjustment: from 20% to 65% of the breakaway torque of the direct motor
• Frequency converter
- Possible adjustments:
- Acceleration ramp
- Quick stop/free wheel
- Pre-selected speeds...
• 2 potentiometers at the front of the cabinet adjust the motor’s rotation speed and the motor's load.
• Contactor/circuit breaker, wired upstream of the motor, protect against overloads and short-circuits. A display built into the unit indicates the current consumed by the motor and the thermal protection threshold.
• 300W 400V/690V – 1/0.75A asynchronous motor 1500rpm.
• 300W powder brake. 0-10V power supply
• 20V for 1000rpm tachometer generator