Electric motor 4VR 71 B4

Name: Electric motor 4VR 71 B4
Brand: Электродвигатели

Explosion-proof asynchronous three-phase electric motor

Brand: Электродвигатели

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Product Code: ID9259

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Asynchronous explosion proof motor 4VR 71 B4: Power: 0.75 kW; nominal rated revolution: 1500 rpm; casing: silumin alloy; dimension (height of shaft rotational axis): 71 mm; shaft diameter: 19 mm; AC frequency 50 Hz voltage 220/380 V.

Voltage, V:220/380

Power kW:0.75

Vol./Min:1500

n, vol./Min:1350

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Electric motor 4VR 71 B4

Specifications

Common

Model

4VR 71 B4

Motor type

asynchronous

Kind

explosion-proof

Motor series

4VR

Shaft diameter, mm

Voltage, V

220/380

Frequency of the current, Hz

Power kW

0.75

Vol./Min

1500

n, vol./Min

1350

Climatic performance

Class of protection, IP

Efficiency, %

72,0

Power factor, cosφ

0,77

Weight, kg

15,6

Consumed nominal current, In (A)

2,2

Dimension (height of rotation axis), mm

Phase

3-phase

The ratio of max. torque to rated power, Mmax/Mn

2,5

The ratio of starting current to the nominal, Istart/In

5,0

The ratio of starting torque to rated power, Mstart/Mn

2,6

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