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Due to coreless motor overcome brush motor unbridgeable technical obstacle. Coreless motor typical application: Military, High-tech area, in large industrial and civilian field, after more than 10year...
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Advantage of the coreless motor: 1, Maximum energy conversion efficiency(index of the energy saving features): efficiency more than 70%,some products more than 90%( common brush motor 15-50%);2, ...
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The coreless motor which is also called the hollow cup-shaped motor,belonging to the DC, permanent magnet,servo micro-mo...
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Add: Chinese town of Shenzhen City, Guangdong Komeito fourth industrial zone Mashantou 110
Products 产品详情
Product Name: ECS0921
Listing Date:2017-03-28
  • ECS0921 ECS0921
  • Details Picture
  • Product parameters 
  • Applications 
  •  
  •  


Operating Characteristic Curve


ECS0921


Outline drawing


ECS0921



Nominal voltage

U(N)

V

3.7

7

No load speed

N(0)

rpm

52500

55000

No load current

I(0)

mA

500

380

Nominal speed

N(N)

rpm

32200

31500

Nominal torque

T(N)

mN.m

1.5

1.6

Nominal current

I(N)

A

3.5

1.8

Stall torque

T(S)

mN.m

3.3

4

Stall current

I(S)

A

7

3.6

Max. efficiency

η

%

50

58

Terminal resistance

phase to phase

R(t-h))

Ω

0.51

1.94

Terminal inductance

phase to phase

L(t-h)

mH

0.025

0.031

Torque constant

K(T)

mN.m/A

0.5

0.89

Speed constant

K(n)

rpm/V

14180

7857

Speed/torque gradient

K(▽)

rpm/mN.m

19490

23158

Mechanical time constant

K(m)

ms

3.5

3.3

Rotor inertia

J

gcm2

0.026

0.026


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