Underwater Motor

UnderWater Motors, Engineered for Underwater Robotics Applications

Reliable · Pressure-Resistant · Long-Life Submersible Motors

Designed for sustained operation in deep-water environments, our deep-water motors deliver stable performance under high pressure, full immersion, and corrosive conditions.

✔ IP68 Protection Rating

✔ Customizable Depth Ratings

✔ Engineered for Continuous Underw

Why Choose Our Deep Water Motors

Built for Real Deep Water, Not Just “Waterproof”
Unlike standard waterproof motors, our deep water motors are specifically engineered for sustained operation at significant depths, where pressure, sealing, and reliability are critical.

Key Advantages:
1.High-pressure resistant housing (up to customized depths)
2.Multi-stage mechanical sealing system
3.Corrosion-resistant materials (stainless steel / special alloys)
4.Optimized for continuous underwater duty cycles
5.Low maintenance, long service life

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Underwater Motor Features

Exceptional water pressure resistance；
Fully sealed structure (zero water ingress);
Corrosion-Resistant Material Design;
Highly reliable start-up and load capability；
Adaptable to multiple voltages and control methods；
High insulation and long-life design

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Benefits of Underwater Motors

Submersible motors integrate several key features and components, enabling them to operate safely and efficiently in deep-sea or river and lake environments. Let's delve into a few of these core elements.

Fully Submersible and High Sealing Performance

Designed for continuous operation underwater with IP68 or higher protection, ensuring reliable performance in deep-water and high-pressure environments.

Excellent Corrosion Resistance

Built with stainless steel materials and

anti-corrosion coatings, suitable for seawater, wastewater, and chemically aggressive liquids.

High Reliability in Harsh and Unattended Conditions

Designed to withstand high pressure, vibration, and continuous-duty operation, underwater motors deliver stable and reliable performance even in extreme environments. They are ideal for applications that require 24/7 operation with minimal human intervention, such as underwater robotics, pumping systems, and offshore equipment. This high reliability minimizes unexpected failures and improves overall system safety.

Efficient Heat Dissipation and Low Maintenance Cost

Water acts as a natural cooling medium, enabling underwater motors to dissipate heat more effectively than air-cooled motors. This results in higher continuous torque output, improved efficiency, and reduced thermal stress on motor components. Additionally, the fully sealed design prevents dust and debris ingress, significantly lowering maintenance requirements and total cost of ownership over the motor’s lifecycle.

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Underwater Motor Technical Data

Base Size	Rated Power	Rated Speed	Rated Voltage	Operating environment
60mm	0.2kw	3000rpm， Customized	48V	650 metres below sea level
80mm	0.75kw	3000rpm， Customized	220V	1 metre below the river level
90mm	0.5kw	2400rpm， Customized	48V	10 metres below the river level
80mm	02~0.4kw	1500~3000rpm， Customized	220V	50 metres below the river level
86mm	0.5kw	2000~3000rpm， Customized	24V	450 metres below sea level
60mm	0.15kw	2500rpm， Customized	48V	2250 metres below sea level
220mm	25kw	1450rpm， Customized	670~780V	850 metres below sea level
230mm	15kw	3000rpm， Customized	196V	3000 metres below sea level

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Wheastone Underwater Motor Mode of Connection

Lead Cable Type

For Zone 1,2

Explosion-proof Aviation Connector Type

For Zone 2

Terminal Type

For Zone 1,2

Wheatstone Underwater Motor

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Wheatstone Underwater Motor Catalogue

Name	Size	Category	Thumbnail	Download
Explosion Proof Servo Motor Technical Data.pdf	89KB	Catalogue		Download

Contact Us To Discuss Your Underwater Motors Needs

If there is anything you're not sure about or you just need a hand getting set-up you can call or email us.

About Wheatstone:Your Expert Of Underwater Motor

Jiangsu Wheatstone specializes in the design and manufacture of high-performance underwater motors engineered for extreme and demanding environments.

With deep expertise in sealing technology, pressure resistance, and long-term reliability, our underwater motors are widely used in subsea equipment, marine engineering, offshore operations, and deep-water applications.

We deliver customized motor solutions that ensure stable performance, durability, and safety beneath the surface.

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Why Choose Underwater Motor From Wheatstone?

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Quality

Wheatstone is known for delivering high-quality products and services that meet or exceed our customers' expectations.

reliability

Reliability

Our products and services are designed to be reliable, which is why our customers trust us to provide them with solutions that work.

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Innovation

Wheatstone is always at the forefront of new technology and innovation, providing our partners with cutting-edge solutions that keep them ahead of the competition.

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Customization

We understand that every customer's needs are different, which is why we offer customized solutions that meet their specific requirements.

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Experience

Wheatstone has been in the motor industry for many years, and our experience has helped us to develop a deep understanding of the challenges that our customers face.

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Global Reach

We have a strong global presence, with partners in over 70 countries, which enables us to provide our customers with support wherever they need it.

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Commitment to Service

Our commitment to providing exceptional service is at the heart of everything we do, and our partners appreciate the support we provide throughout the entire customer journey.

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Cost-effectiveness

Wheatstone offers cost-effective solutions that provide our customers with the best value for their investment, ensuring that they receive a high return on their investment.

Underwater Motor FAQ

Q What applications use underwater motors?

A
Underwater motors are commonly used in ROVs (Remotely Operated Vehicles), AUVs, submersible pumps, underwater robots, marine propulsion systems, offshore equipment, and environmental monitoring devices.
Q What protection ratings do underwater motors have?

A
Most underwater motors meet high ingress protection standards such as IP68 or higher. For deep-sea applications, motors may also be designed to withstand high hydrostatic pressure beyond standard IP ratings.
Q What depth can underwater motors operate at?

A Underwater motors can be designed for shallow water, deep water, or extreme-depth applications. The maximum operating depth depends on sealing technology, housing strength, and pressure rating, and can be customized for specific depth requirements.
Q How is an underwater motor different from a standard motor?

A
Unlike standard motors, underwater motors are designed with enhanced sealing, special insulation, and anti-corrosion materials. They can withstand water pressure, prevent leakage, and operate continuously underwater without electrical or mechanical failure.
Q What is an underwater motor?

A
An underwater motor is a specially designed electric motor that operates fully submerged in water or other liquids. It features waterproof sealing, corrosion-resistant materials, and pressure-resistant construction to ensure reliable performance in submerged environments.