APISQUEEN 400W brushless waterproof servo motors can be used for underwater equipment robots
Voltage: 48V
Power: 400W
Number of pole pairs: 5
Rated speed: 3000
Torque: 1.27
Resistance: 0.22
Inductance: 0.6
Reverse potential: 7.6
Waterproof depth without hydraulic compensator: 200 meters
Waterproof depth with hydraulic compensator: 2000 meters（Additional hydraulic compensators are required.）
Drive specification parameters:
| No. | Name | Parameter | Remarks |
| 1 | Supply Voltage | 4S-12S | Absolute maximum not to exceed 85V |
| 2 | MCU Core | Cortex®-M4 | |
| 3 | MCU Frequency | 200MHz. | |
| 4 | Communication | 485 | UART Reference |
| 5 | Control Mode | FoC | |
| 6 | Maximum Continuous Current | 20A | |
| 7 | Peak Current | 40A | Underwater sustainable |
| 8 | Sensor Type | Magnetic Encoders | |
| 9 | Control Mode | MIT, speed, position | |
| 10 | Number of encoders | Dual encoder support | Dual magnetic coding, single magnetic coding + Hall |
