No.

Item  项 目

Specification 规格

1

Motor construction电机构造

Permanent magnet, Core type永久磁石型

2

Number of phases相 数

3相

3

定子线圈连接类型Stator winding

Y connection

4

Number of magnet poles 磁铁磁极数

14

5

Number of core  poles 铁芯槽数

12

6

Resistance between coils相间电阻

Measure resistance betweenA1-A2, A2-A3, A3-A1 at core lead-wire  end at 20℃ 1.0Ω±15%  20℃测试

7

Inductance between coils相间电感

Measure Inductance betweenA1-A2, A2-A3, A3-A1 at core lead-wire  end at 20℃  285±30%mH   20℃测试

8

Appearance外 观

There shall be no excessive scratches, dents, or deformation, when inspected by naked eyes.目视不可有过多的划伤、压痕或变形等。

No.

Item  项 目

Specification 规格

1

Rated voltage额定电压

Vm=27.5V DC

2

Operating voltage使用电压范围

Vm=18~36 VDC

3

Direction of rotation 回转方向

CW&CCW 逆时针方向（从出力轴端看）

4

Position of motor马达放置状态

To be placed horizontally 以马达轴方基准水平方向固定

5

Operating temperature使用温湿度范围

+5 ~+50 ℃ ，90%湿度 MAX

6

Storage temperature保存温度范围

-10~+60 ℃，90%湿度 MAX

1

Motor position马达放置状态

To be placed horizontally when measuring水平放置

2

Temperature range温度范围

Room temperature (25±10 ℃)  常温（25±10 ℃）If there is any doubt about the results, measurements shall be made Within 25±3 ℃.如果结果有任何的怀疑，应在：25±3 ℃测量。

3

Humidity range湿度范围

Room humidity (60±20%RH) If there is any doubt about the results, measurements shall be made Within 60±7%RH.如果有任何怀疑的结果，应在：60±7%RH测量。

4

Air pressure range气压范围

80Kpa~106Kpa

No.

Item  项 目

Measurement condition  测定条件

Specification 规格

1

No load speed

无负荷转速

At rated voltage, no load.额定电压、无负荷。

7960±10% RPM（290KV）

2

No load current无负荷电流

At rated voltage, no load.额定电压、无负荷。

Max：1.6A

3

Stator resistance

定子电阻

Interterminal  resistance 端子间电阻

 0.041±10% RPM

4

inductance

电感

Interterminal  resistance 端子间电感

50.6±10% μH

5

Insulation resistance

绝缘抵抗

Between all shorted pin of PCB and base plate 与底板间

Min：10MΩ/DC500V

6

Hi-Pot

绝缘耐压

Between all shorted pin of PCB and base plate 与底板间。

At AC300V, 1sec and leakage current 1mA Max.AC300V, 1sec，泄漏电流1 mA以下。

7

Noise噪 音

DC 5 [V],No load, No controlled Distance between microphone ~ motor :0.4 [m]

55 [dB(A)] MAX.

8

Unbalance

动平衡

3200RPM

0.12[g・cm] Max

No.

Item  项 目

Measurement condition  测定条件

1

Hightemperature Preservation test

高温保存试验

The motor preserved at 85℃,65%RH for 2 hours and then leave at room temperature for 2 hours, and then measure.85℃,65%RH条件下保存2Hr，常温放置24Hr后再测试。

2

Low temperature Preservation test

低温保存试验

The motor preserved at -40℃ for 2 hours and then leave at room temperature for 2 hours, and then measure.-40℃条件下保存2Hr，常温放置2Hr后再测试。

3

Humidity preservation test

高湿保存试验

The motor preserved at 65℃, 95%RH for 2 hours and then left at room temperature for 2 hours, and then measured.Not be dewy65℃,95%RH条件下保存2Hr，常温放置2Hr后再测试。要求无结露条件下。

4

Temperature cycle test

温度循环试验   

The motor shall be subject to 2 cycles, 1 cycle consist of +85℃, 65%RH~-40℃(1 hour each),and then leave at room temperature for 2 hours, and then measure.Not be dewy每周期：+85℃,65%RH ~ -40℃条件下各保存1Hr，共2个周期。常温放置2Hr后再测试。要求无结露条件下。

No.

Item  项 目

Measurement condition  测定条件

NG Judgment

NG 判定基准

1

Guaranteed Life

保证寿命

Rated voltage，control Speed@7400RPM，Normal temperature

额定电压，制御7400RPM，常温25℃

 马达堵转

产品平均无故障时间 MTBF≥1万小时：