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24V-48V Brushless DC Motor Drives, This produce has three manners of working:, speed control, current control and open-loop - details see: https://www.machineto.com/24v-48v-brushless-dc-motor-drives-10233867

Specification and model:
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Maximum Maximum Direct voltage
Output current Output voltage Working range
Model DC: (A) DC: (V) DC: (V)
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DC 10/50DPW15BL 15 10-50 10-50 (95%)
1.Features:
This produce has three manners of working: speed control, current control and open-loop control.
Control functions of braking, direction, enable, first-magnification, dual speed setting, etc. can be realized.
Maximum current limit can be adjusted.

0-5V signal control mode for external potentiometer, interior potentiometer and external analog quantity and soft start function.

Time setting function for soft start.
Overcurrent protection function and locked-rotor protection.
High-speed control, which has a full speed of one pole pair motor can reach 120000RPM.
Details refer to relevant contents.

2.Performance Indexes:
1. Power supply voltage VCC: 10—50VDC (error <5% is better).
2. Maximum output voltage: Vout=0.95 VCC.
3. Maximum output current: 15A.
4. Switching frequency: 39KHz.
5. Maximum speed (one pole pair motor): 120,000rpm.
6. Hall power supply voltage range: 7—12VDC Maximum output current is 30mA.
7. Locked-rotor protection time: 1.5 seconds.
8. Ambient temperature: -10-- +600C.
Ambient humidity: relative humidity≤80RH.
9. Analog quantity output: 0-- +5VDC.
10. Soft start time: 20ms—10S.
11. Regulation voltage of external potentiometer: 0--+5V potentiometer (10KΩ/2W).
10. Overall dimension (including radiator): 122*35*72mm.
11. Weight: approximate 300g.