Model

ECMA-C20804S7

Product Name

Electronic Commutation Motor

Servo Type

AC Servo

Name of the Series

B2

Rated Voltage

220V

Encoder Type

Incremental, 17-bit

Motor Frame Size

80mm

Type of Shaft Diameter and Oil Seal

Keyway(with fixed screw holes)  with Brake with Oil Seal

Shaft Diameter

7=14mm

Rated Power Output

400W

Rated torque (N-m)^*1

1.27

Max. torque (N-m)

3.82

Rated Speed

3000 rpm

Max. speed

5000 rpm

Rated current (A)

2.60

Max. current (A)

7.74

Torque constant-KT (N-m/A)

0.49

Voltage constant-KE (mV/(r/min))

18.5

Armature resistance (Ohm)

0.93

Armature inductance (mH)

7.39

Electrical time constant (ms)

7.96

Insulation class

Class A (UL), Class B (CE)

Insulation resistance

> 100 M  ohm, DC 500 V

Insulation strength

AC 1500V, 60 sec

Weight (kg)  (with brake)

2.9 Kg

Max. radial shaft load (N)

245

Max. thrust shaft load (N)

98

Power rating (kW/s) (with brake)

22.1

Rotor inertia  (× 10^-4kg.m²) (with brake)

0.73

Mechanical constant (ms) (with brake)

0.78

Brake holding torque [Nt-m (min)]

2.5

Brake power consumption(at 20  °C

) [W]

8.2

Brake release time [ms (Max)]

10

Brake pull-in time [ms (Max)]

70 

Vibration grade (μm)

15

Operating temperature

0~40  degree centigrade

Storage temperature

-10~80  degree centigrade

Operating humidity

20% to 90% RH (non-condensing)

Storage humidity

20% to 90% RH (non-condensing)

Vibration capacity

2.5G

IP Rating

IP65

Approvals

CE  UL