90ST-H09030-100V-SS600
wheatstone
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Product Description
The WHEATSTONE UnderWater DC Servo Motor is designed for reliable operation in harsh environments where water exposure is unavoidable. Engineered for submersion up to 600 meters depth, this motor combines waterproof protection with high-performance servo control, making it ideal for marine, underwater robotics, food processing, and other demanding applications.
Submersion Capability: Operates reliably when submerged in water up to 600 meter.
High Protection Rating: Advanced sealing technology ensures waterproof and dustproof performance.
Precision Control: Delivers accurate torque and speed regulation with DC servo technology.
Durable Construction: Corrosion-resistant housing suitable for wet and aggressive environments.
Application Ready: Perfect for underwater machinery, marine equipment, and industrial processing lines.
Motor Type: DC Servo Motor
Submersion Depth: 600 meter
Cooling Method: Natural / Optional water-cooled design
Housing: Stainless steel or coated alloy for anti-corrosion
Insulation: Moisture-resistant winding insulation
Motor Model
| Motor Model | L(mm) |
| 90ST-H09030-100V-SS600 | 112.5 |
Motor Dimensions

Electrical Parameters
| Main performance parameters | |||
| Overload Power(KW) | 2.85 | Operating temperature range(℃) | -10~+50℃ |
| Rated current(A) | 64 | Rated Voltage(V) | 100VDC |
| Rated Speed(RPM) | 3000 | Insulation Class | H 180℃ |
| Overload Speed(RPM) | 3600 | Safety Class | 600 meters deep |
| Overload Torque(NM) | 8.5 | ||
Application Industry
The core application of Shenzhen Hydroelectric Motors is to provide a reliable power source for various underwater equipment. Whether propelling submersibles or powering seabed pile driving, the company plays a crucial role in these operations.
1.Underwater Operation Equipment and Tools
This is the most direct application scenario for deep-water electric motors, which provide power to various tools required for specific operations on the seafloor:
Deep-sea mining equipment: Drives seabed mining vehicles, lift pumps, and other machinery used to extract and transport mineral resources from the seafloor.
Underwater Piling Equipment: Powers ultra-deepwater pile hammers used in the construction of offshore wind farm foundations and oil and gas platforms.
These motors must withstand extreme impact energy and seawater pressure at depths of several thousand meters.
Seabed Construction and Dredging Machinery: Used to power seabed trenchers, pipeline-laying equipment, and subsea slurry pumps on dredgers for channel dredging

2.Deep-Sea Carriers and Unmanned Underwater Vehicles
Manned/Unmanned Submersibles (HOV/ROV/AUV):
Propulsion System: Drives the submersible forward, backward, and turns it; it is the core power source.
Hydraulic System Pump: Provides hydraulic power to the submersible’s robotic arms, samplers,
and other equipment.
Seawater Pump: Used for the submersible’s ballast water system, among other applications.
Underwater Research Vessels and Other Platforms: Serves as the power source for the
propulsion systems of various underwater research vessels and platforms.

Deep-water electric motors are capable of performing these tasks because their design overcomes the unique challenges of the underwater environment. They must possess exceptional sealing and pressure-resistant capabilities to withstand the high pressure and seawater corrosion found in the deep sea, while also delivering high power density (compact size and light weight), high reliability, and high efficiency. Common structural types include oil-filled, water-filled, and dry-type designs, which are tailored to different operating depths and medium requirements.