Your Professional Electric Thruster Supplier
Our goal is to be your true partner in Electric Thruster field in China.HELI was founded in 2016 and has professional experience in precision core components and intelligent system, such as underwater power system and intelligent drilling system.We have own research institute located in Tianjin, with a building area of over 2000 square meters and more than 50 large equipment units, with a total value of over 15 million yuan. HELI's R&D and production team with a wide range of technical fields covering various disciplines, including mechanical, electrical, hydrodynamic analysis, intelligent control, communication and IOT.
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Customized Underwater Thruster HLTD-28BModel HLTD-28B. Rated power: 350W. Rated voltage: 48VDC. Thrust: 12kg forward thrust, 12kg reverse thrust. Nozzle OD: 220.3mm. Overall length: 338.6mm
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Work-class Underwater ThrusterModel HL235. Rated power: 2.3KW. Rated voltage: 72~300VDC. Thrust: 48kg forward thrust, 24kg reverse thrust. Nozzle OD: 235mm. Overall length: 356mm
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Tunnel Underwater ThrusterModel HL254. Rated power: 6.5KW. Rated voltage: 260~330VDC. Thrust: 86kg (forward thrust same as reverse thrust). Nozzle OD: 254mm. Overall thickness: 366~487mm
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High Efficiency Underwater Thruster HL358AModel HL358A. Rated power: 6.5KW. Rated voltage: 260~330VDC. Thrust: 125kg forward thrust, 70kg reverse thrust. Nozzle OD: 358mm. Overall thickness: 366~487mmThe length does not include the connector
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ROV Underwater ThrusterModel HL173. Rated power: 1KW. Rated voltage: 48~300VDC. Thrust: 20kg (forward thrust same as reverse thrust). Nozzle OD: 173mm. Overall thickness: 244~280mm
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ROV ThrusterModel HL158D. Rated power: 1KW. Rated voltage: 48~300VDC. Thrust: 18kg (forward thrust same as reverse thrust). Nozzle OD: 158mm. Overall thickness: 241~280mm
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Underwater Thruster DesignModel HL135 . Rated power: 450W. Rated voltage: 32~300VDC. Thrust: 8kg (forward thrust same as reverse thrust). Nozzle OD: 130mm. Overall Length: 186~213mm
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Lightweight Underwater ThrusterModel HL116. Rated power: 580W. Rated voltage: 32~300VDC. Thrust: 8.3kg forward thrust, 5.1kg reverse thrust. Propeller OD: 116mm. Overall Length: 186~213mm
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Small Underwater ThrusterModel HL115. Rated power: 450W. Rated voltage: 32~300VDC. Thrust: 6.5kg (forward thrust same as the reverse one). Propeller OD: 116mm. Overall Length: 184~213mm
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AUV Thruster HL500AModel HL500A. Rated power: 14KW. Rated voltage: 300VDC. Thrust: 240kg forward thrust, 98kg reverse thrust. Nozzle OD: 500mm. Overall thickness: 660~700mm
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AUV Thruster HL386AModel HL386A. Rated power: 6.5KW. Rated voltage: 260~330VDC. Thrust: 135kg forward thrust, 60kg reverse thrust. Nozzle OD: 386.5mm. Overall thickness: 520~533mm
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AUV Thruster HL300AModel HL300A. Rated power: 5.4KW. Rated voltage: 260~330VDC. Thrust: 90kg forward thrust, 50kg reverse thrust. Nozzle OD: 300mm. Overall thickness: 520~533mm
Industrial grade underwater thruster series, magnetic coupling sealing structure.The underwater thruster combined with the core components produced by our company, it has great advantages in stability and durability.
The standard design and oil compensation structure design are suitable for thrusters in marine environments at different depths.
Why Choose Us
Well quality control systerm
We have separate QC team to proceed the in-line and final-line inspection in house, which gurantee the quality meet your required standard. You can appoint your own qc or 3rd party to inspect the goods as well pirior to shipment.
Fast delivery date
Since we've been engaged in this filed for over than 10 years, our workers are much experienced and sufficient. Plus our good managements, we can expediate the delivery to 7 days for shipment if you have the urgent orders.
24 hours response
For your calls, we'll give you the answers right away. For any of your messages and emails, we will reply to you within 24 hours.
Our certificate
Weapon and equipment quality management system certification certificate, energy management system certification certificate.
Advantages of Electric Thruster




1. We have installed power isolation, over-current protection and over-temp. protection for the built-in driver. A ramp linear processing is performed on the control signal. These upgrades allow the thruster to switch directions frequently and quickly. This point is very suitable for ROV underwater Thruster.
2. Voltage fluctuation range can be +-15%, and operation within this range is feasible.
3. Long-life with 3000 hours of continuous running.
4. Our thruster adopt magnetically coupled drive structure, is the one that magnet array fitted inside the propeller hub is driven by the one attached inside the housing of the thruster, so as to realize non-contact and leakless.
This technology will produce ratchet effect in case of overload, avoiding damage to core components caused by high current when something wrapping the propeller.
5. DC brushless motor is handmade by HELI, with high slot filling rate, high precision and good quality. And high power density allows the thruster to provide a relatively large thrust within a small volume.
6. We have already added capacitors internally, effectively reducing BEMF's damage.
7. Oil-filled pressure compensation structure can balance the pressure inside and outside the cabin, allowing the thruster to adapt to different ocean depths, even full ocean depth. If the water depth exceeds 1500m, we recommend that customers choose the oil filled version to ensure stability and make maintenance more convenient.
8. RPM open-loop and closed-loop options are available
Applications of Electric Thruster
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Industry |
Top ROV Applications |
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Offshore Energy (Wing, Oil and Gas, Hydroelectric) |
General Visual Inspection |
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Military |
Submarine Rescue |
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Oceanography and Marine Science |
Coral and Marine Life Observation |
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Inshore Infrastructure (Tanks, Dams, and Waterways) |
Condition Assessment and Monitoring |
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Search and Rescue |
Drowned Victim Recovery |
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Commercial Diving and Salvage |
Attaching and releasing hooks for equipment installation and recovery |
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Aquaculture |
Equipment and infrastructure monitoring |
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Nuclear Decommissioning |
Fuel Rod Management |
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Underwater Exploration |
General Visual Observation |
Product Description
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Rated power |
1KW |
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Rated voltage |
48~300VDC |
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Max RPM |
2500r/min |
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Thrust |
20kg thrust forward |
20kg thrust reverse |
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Propeller rotation direction |
CW |
CCW |
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Propeller material |
SS |
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Housing |
AL alloy |
TI alloy |
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Sealing method |
Magnetically coupled |
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Depth rating |
850m |
1500m |
3000m |
6000m |
Full sea depth |
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Signal power |
12VDC(+-5%), <=250mA |
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Control mode |
Analog voltage (0~+5V forward; 0~-5V reverse) |
CAN BUS |
PPM |
RS485 |
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Feedback mode |
Pulse |
Analog voltage |
CAN BUS |
PPM |
RS485 |
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Temp. |
Storage temp. -40~70℃ |
Service temp. -5~40℃ |
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Drive |
Built-in |
External |
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Delivery
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Selling units |
Single item |
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Single package size |
18.8X12.2X9.9 cm |
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Single gross weight |
3.000 KG |
Lead Time
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Quantity (sets) |
1 - 1 |
> 1 |
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Lead time (days) |
15 |
To be negotiated |
Packaging & Shipping
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The package size of 168cm board |
3 different plywood box: |
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The package size of 210 cm board |
3 different plywood box: |

FAQ
As one of the most professional electric thruster manufacturers and suppliers in China, we're featured by quality products and good price. Please rest assured to buy discount electric thruster for sale here and get quotation from our factory. Contact us for customized service.
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