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0.37kW (0.5HP) 4 Pole AC Induction Motor 3ph 240V/415V B3 Foot Mount - 71M4B/14

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SKU: M34000373IMA

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AC Motor Three Phase


INVERTEK Alloy, IP55, Cl.F, Inverter Duty, Hi-EFF Electric Motor - 0.37kW 3ph 4 Pole Foot Mounting 71 Frame AC Motor for 240V or 415V 3 phase supply. Inverter Rated for use with a Variable Frequency Inverter Drive having 1ph or 3ph input and 3ph output, or a fixed frequency mains supply at 50Hz.

Fixed Main Supply Output: 0.37kW (0.5HP) x 1370RPM at 240V or 415V x 50Hz 3ph.
Inverter Drive Supply Output: 20:1 Speed Control range from 137RPM to 2740RPM, with suitable de-rating at the lower speeds (70Hz is the maximum continuous for maximum output).

Full Load Current - 1.93A at 240V, or 1.11A at 415V.
Efficiency is 65%.
Power Factor is 0.74 when mains connected at 50Hz.
Set terminal box links 'three a-breast' for 240V 'Delta' connection.
Set terminal box links ‘two at one side’ for 415V 'Star' connection.

132mm Wide x 255mm Long x 188mm high overall in its IP55 enclosure.
Foot mount on 7mm holes at 112mm wide x 90mm centres 45mm back from shaft shoulder.
Shaft is 14mm dia x 30mm with 5mm wide key.
Terminal box for 2 x M20 Glands (one fitted) and terminals for M4 rings.
Weight is 6kg.

Rated at 40C Ambient.
Ventilation space required at rear cooling air intake.

Part number is - M34000373IMA

For Variable Speed Use…
Part Time Output when Inverter powered is...
1.29Nm - 0.37kW (0.5HP) x 2740RPM at 100Hz
2.58Nm - 0.37kW (0.5HP) x 1370RPM at 50Hz
2.58Nm - 0.18kW (0.25HP) x 685RPM at 25Hz
2.58Nm - 0.037kW (0.05HP) x 137RPM at 5Hz

Continuous Output when Inverter powered is...
1.84Nm - 0.37kW (0.5HP) x 1918RPM at 70Hz
2.58Nm - 0.37kW (0.5HP) x 1370RPM at 50Hz
2.19Nm - 0.16kW (0.21HP) x 685RPM at 25Hz
1.29Nm - 0.018kW (0.025HP) x 137RPM at 5Hz

Download the full Manual and Dimensions from the links below:-

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