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A 4hp (3kW) vibrator motor is
an industrial-grade electric motor used for heavy-duty applications like settling concrete or moving materials in hoppers and screens. They generate a high level of vibration using eccentric weights and typically feature a cast iron or aluminum alloy construction for durability.
Common 4hp vibrator motor specifications
Specifications for a 4hp vibrator motor can vary by manufacturer. The following details are representative of what you might find on the market:
Power: 4hp (3kW)
Voltage: 380V (three-phase is typical for this power level)
Speed (RPM): Approximately 2840–3000 rpm
Number of Poles: 2 or 6 poles are common
Insulation Grade: Class B or F
Protection Grade: IP44, IP54, or IP55 (dustproof/waterproof)
Duty Cycle: Continuous (S1)