፡Inserted Concrete Vibrator (Model: ZN-90), an industrial electric motor used to drive a flexible shaft and poker for compacting wet concrete. [1, 2, 3]
Technical Specifications (from the rating plate)
Model: ZN-90
Power: 2.2 kW (approx. 3 HP)
Voltage: 380 V (Three-phase)
Frequency: 50 Hz
Current: 4.5 A to 4.7 A
Amplitude: 1.5 mm
Speed: 2840 r/min (RPM)
Date / No.: Stamped as 20 [1, 2]