ツシマエレクトリック List of Products and Services

The "DA Motor" is a three-phase AC motor that can achieve stable operation with battery power when used in combination with a dedicated controller. Since it is controlled by a frequency command method, the rotation speed remains stable even when the battery voltage fluctuates. It is also capable of operations such as slow up, slow down, forward rotation, and reverse rotation. Additionally, during negative load conditions when transitioning from high-speed to low-speed rotation, energy can be stored in the battery through power generation using regenerative braking. 【Features】 - No carbon brushes, so maintenance is not required for long periods. - High torque even at low speeds, allowing for smooth starting. - Space-saving system construction is possible. *It can be manufactured with a wide range of specifications, including compatible battery voltages and capacities. For more details, please refer to the materials available for download in the "PDF Download" section. Feel free to contact us with any inquiries.

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The "DA Motor / DA Controller" is a three-phase induction (AC) motor (with sensor) that can be operated with a battery power supply. By driving through a dedicated DA controller, voltage conversion losses are minimized, allowing for efficient charging of regenerative energy back into the battery. The DA motor is a totally enclosed external fan type and does not have carbon brushes. It requires no maintenance over long periods, reducing maintenance efforts. 【Features】 - Drives AC motors with battery power supply - Voltage options include 48V, 96V, etc. (other voltages can also be produced) - Compact size is less than 1/10 of our product volume ratio - Being a totally enclosed external fan type and having no carbon brushes, it requires no maintenance for a long time - Slow up, slow down, forward, and reverse operations are freely possible - Due to frequency command, rotation remains stable even with voltage fluctuations *For more details, please refer to the materials. Feel free to contact us with any inquiries.

• Parts and Materials

Introducing our company's first built-in (embedded) type of 'DA motor', a three-phase AC motor driven by a DC power supply! We will design and engineer it to fit your machinery, achieving further compactness and lightweight. It is suitable for outdoor machinery such as electric trolleys, elevators, and pumps, and since it requires no brush replacement maintenance, it excels in high operational rate machines. 【Features】 ■ Built-in type that can be integrated into machinery ■ Easy to change operating patterns due to the DA controller system ■ Uses DC power supply (battery) as input ■ Power supply voltage can be selected according to application (DC 48V to 288V) *For more details, please refer to the materials. Feel free to contact us with any inquiries.

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The three-phase induction motor "DA Motor System" is a product that operates on DC power and offers a wide range of product series with various power supplies and voltages. In addition to significantly reducing maintenance efforts due to its brushless design, it allows for easy changes in operating patterns when combined with a controller. There is a variety of lineups available, including "with brake," "with gear," and "with brake and gear," and customization for special specifications is also possible! 【Features】 ■ Voltage selection according to application is possible ■ Standard support for continuous operation ■ Standard protection form for the motor is fully enclosed with external fan for indoor use ■ Battery storage is possible *We are currently offering an easy-to-understand "Selection Procedure Manual" in chart form! Technical documentation for the product is also available. (Please check via the "Download" button.)

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"AC (Alternating Current) motor driven by DC (Direct Current) power = DA motor!" This document contains technical information about the three-phase induction motor "DA Motor System - DA Controller," which can operate with a DC battery power source. Traditionally, using a three-phase AC motor (induction motor) with a DC power source required voltage conversion through devices like DC/DC converters. However, the DA motor developed by our company only requires driving through a dedicated DA controller, resulting in minimal losses from voltage conversion and enabling efficient charging of regenerative energy back into the battery. **Features** - Drives AC motors with battery power - Fully enclosed external fan type and no carbon brushes, requiring no maintenance for long periods - Rotates according to frequency commands, unaffected by voltage fluctuations - Efficiently returns energy generated during regenerative braking when the rotation speed decreases back to the battery - Free control of slow-up, slow-down, forward, and reverse - Voltage options include 48V, 96V, 120V, and 288V (other voltages can also be produced) - Capacities from 0.75kW to 55kW can be manufactured, with a wide variety available *Please first refer to the technical documentation and catalog.*

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It is ideal for preventing humidity (mold) in vacation homes, apartments, and condominiums that are not used for long periods, especially in highly airtight rooms. On sunny days, the ventilation fan of "Tenkai-kun" spins vigorously powered by solar panels, expelling indoor air outside and allowing dry air to enter the room. (Note: If an intake vent is needed, it is provided separately.) It does not operate during rainy weather or at night, so humidity does not enter the room. Since it has no battery, it is maintenance-free. There is no need for switch operation, so there is no worry about forgetting to turn off the power or switch. No management is required after installation, allowing you to open the room with peace of mind. Other specifications are the same as "Ryoukai-kun." (There are products available with and without temperature sensors.)

• Roof and gutter construction
• Unit and other construction
• Prefab

In summer, doesn't the heat get trapped in the attic, making it hard for the air conditioning to lower the temperature? When you go up to the second floor at night, are you not overwhelmed by the stuffy heat? This is due to the heat that accumulates in the attic during the day. The solar-powered attic ventilator "Ryoukai-kun" extracts the heat trapped in the attic, enhancing the cooling effect of air conditioners and other cooling systems. Since it uses solar panels for power, there are no electricity costs. It automatically ventilates when the attic temperature reaches 27 degrees Celsius, eliminating the need for bothersome switch operations and not interfering with winter heating. With a low voltage of DC12V, there is no risk of electric shock, and installation is easy.

• Ceiling panels and decorative panels
• Roof and gutter construction
• Prefab

If you go out during the day, is the bathroom ventilation working? Once you install this, you can go out with peace of mind. By the time you return, the ventilation will be nice and dry, and the electricity cost will be zero! With this, you can say goodbye to unpleasant mold and dampness in the bathroom, and the ventilation will be perfect.

• Prefab

It protects your important home and family from humidity. (Condensation, mold, rot, termites, snails, centipedes, slugs, etc.) It operates only on sunny days with sunlight and does not run on rainy days, making it efficient by not absorbing humidity. Since it utilizes clean and inexhaustible sunlight, there are no electricity costs at all. The installation of the ventilation fan unit involves removing the existing vent, making it easy to install. There is no risk of electric shock due to the low power voltage. The ventilation fan uses two waterproof fans per three units, equipped with stainless steel mesh for long life! It is quiet yet has a high airflow, effectively sucking out humidity.

• Waterproofing work
• Unit and other construction
• Prefab

The Tsushima original product "EV Conversion Kit (Light Vehicle Type)" is an easy-to-use EV conversion kit for light vehicles with fewer than 15 parts. It features a low running cost of approximately 1 yen per kilometer and convenient charging that can be done using household power sources. Options include a "DC96V Motor [with Regeneration]" with a rated output of 6kW (max 13.8kW) and a "DC120V Motor [with Regeneration]" with a rated output of 7.5kW (max 17.25kW). 【Features】 ■ Quiet and comfortable ride (no noise disturbance to neighbors) ■ No oil-related dirt ■ No exhaust fumes or odors due to the absence of a muffler For more details, please refer to the catalog or feel free to contact us.

• Substation equipment

The Tsushima original product "EV Conversion Kit (High Power Induction Type)" is a high-power induction type EV conversion kit with an input voltage of DC288V and a rated speed of 1800r/min. With the use of regenerative braking, you can feel secure even on downhill slopes. The starting torque is also high, allowing for a smooth start. There are options available such as the "DC288V Motor [with Regeneration]" with a rated output of 7.5 to 75kW (max 17.25 to 172.5kW). 【Features】 ■ Low current allows for miniaturization of equipment ■ High torque at low speeds ■ Brushless, so maintenance-free ■ High flexibility due to series production For more details, please refer to the catalog or feel free to contact us.

• Substation equipment

The "solar streetlight" is a system that converts solar energy during the day into electrical energy, which is stored in batteries and used for outdoor lighting at night. Since it generates power using solar energy, which is gaining attention as a clean energy source, it can achieve zero pollution and noise while also being energy-efficient. It is suitable for outdoor lighting at night, lighting in areas where commercial power supply wiring is difficult, and emergency lights during disasters. Tsushima Electric also focuses on custom products. 【Product Lineup】 ■ Salt damage-resistant solar streetlight ■ Two-light type solar streetlight ■ LED solar streetlight ■ Hybrid streetlight For more details, please refer to the catalog or feel free to contact us.

• Consulting companies

Tsushima's "DC Motor" is a groundbreaking system that breaks conventional concepts, allowing for flexible specifications such as voltage, output, and rotation speed. For example, in cases where it is used as power for opening and closing sluice gates in rivers, solar panel modules are utilized as the power source. Tsushima Electric responds to the diverse needs of its customers. 【Features】 ■ High-efficiency motor suitable for various applications ■ Abundant optional parts such as reducers and brakes ■ Power supply voltage for the motor can be freely specified ■ Made-to-order production, accommodating from one unit to mass production For more details, please refer to the catalog or feel free to contact us.

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Tsushima Electric develops and sells products to support the production of solar cars. We offer a wide variety of products, including compact, lightweight, high-torque, and high-efficiency DC motors using high-performance magnets, as well as speed controllers that are optimal for solar cars. 【Features of DC Motors for Solar Cars】 - Compact, lightweight, high-torque, and high-efficiency due to high-performance magnet technology - High output and torque provide excellent starting ability and climbing characteristics - Use of heat-resistant magnet wire enhances durability under overload conditions - Excellent responsiveness due to high starting characteristics For more details, please refer to the catalog or feel free to contact us.

• Kitchen appliances

The "Solar Ventilator" is a residential solar product that utilizes the abundant solar energy that shines down. It has low running costs, and installation and maintenance are very easy. It effectively protects your precious home and family's health from humidity and mold. 【Product Lineup】 ■ Solar Power Generation System ■ Tenkaikun (Attic Ventilator) ■ Soukaikun (Bathroom Ventilator) ■ Ryoukaikun (Eave-mounted Attic Ventilator) ■ Yukai-kun & Yukai-kun 2 (Crawl Space Ventilator) For more details, please refer to the catalog or feel free to contact us.

• Other civil engineering works

"GIDEON" can be powered by a battery (DC24V), making it a very useful chain block for work sites where generator noise cannot be produced, places without power, and both indoor and outdoor tasks. Additionally, it is ideal for work in rainy conditions as there is no risk of electric shock due to low voltage. When installed on a truck, it makes loading and unloading cargo easy. 【Features】 - Compact and lightweight for easy portability and installation - Safety design with electromagnetic brake system and anti-twist device - Non-polarity system eliminates the need to check the polarity of the power cord - Automatic speed adjustment based on load - Waterproof construction allows for operation even in rainy weather For more details, please refer to the catalog or feel free to contact us.

• Automatic Control Equipment

Tsushima Electric handles a wide range of products as a Fuji Electric authorized dealer. We provide services unique to Fuji Electric authorized dealers, starting with accurate proposals and advice, all the way to maintenance. 【Examples of Products Handled】 ■ Power distribution equipment (circuit breakers for wiring, leakage circuit breakers, etc.) ■ Control equipment (electromagnetic contactors, electromagnetic switches, etc.) ■ Drive control equipment (general-purpose inverters, servo systems, etc.) ■ Rotating machines (general-purpose motors, geared motors, coolant pumps, ring blowers, etc.) For more details, please refer to the catalog or feel free to contact us.

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This is a document that contains technical information about the three-phase induction motor "DA Motor System / DA Controller," which can operate with a DC power supply. It features characteristics such as "the power supply voltage can be selected according to the application since it is modularized," "maintenance is simplified as there are no brushes," and "the DA controller system allows for easy changes to the operating patterns." [Contents] ■ Features of the DA Motor System ■ Basic configuration of the DA Motor ■ Calculation of voltage drop and wire cross-sectional area ■ Technical explanation (DA Motor) ■ Specifications of the DA Motor, etc. For more details, please refer to the catalog or feel free to contact us.

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