Last Updated： Aggregation Period:Oct 22, 2025～Nov 18, 2025
This ranking is based on the number of page views on our site.
Last Updated： Aggregation Period:Oct 22, 2025～Nov 18, 2025
This ranking is based on the number of page views on our site.
Last Updated： Aggregation Period:Oct 22, 2025～Nov 18, 2025
This ranking is based on the number of page views on our site.
61～75 item / All 497 items
Power supply with over 80% efficiency and high pulse current.
The 60W high-voltage power supply unit "SMS series" is constructed based on a resonant flyback circuit, allowing it to provide over 80% efficiency and high pulse current. By adding optional circuits, the SMS series can reduce the constant power to 25% of the rated output. For more details, please download the catalog.
Tokyo Seiden Corporation Power Supplies, Testing Equipment, Transformers 'Comprehensive Catalog' Free Distribution!
This is a comprehensive catalog of power supplies, testing equipment, and transformers handled by Tokyo Seiden. We offer a variety of products tailored to different applications! We also accept orders for customized products based on customer requests. ◆◆ Contents ◆◆ - High-frequency power supply - Constant frequency constant current power supply - SCR type constant voltage power supply - Sliding type constant voltage power supply - High-efficiency constant frequency constant voltage power supply - Dielectric strength tester - Insulation dielectric strength tester - High-frequency dielectric strength tester - Compact single-phase power transformer - Cut core type power transformer - Single-phase and three-phase power transformers ● For other functions and details, please download the catalog.
Simultaneously achieving charging suitable for multiple batteries.
The lithium-ion battery charger distinguishes between two types of lithium-ion batteries and performs suitable charging for multiple batteries simultaneously. It also has a built-in discharge circuit, allowing for battery degradation assessment. By combining microcontrollers and power supplies, various charging devices can be manufactured. It can also accommodate battery packs with high current and high voltage. We will propose the optimal design according to the customer's desired specifications. For more details, please download the catalog.
The DC broad power supply outputs without range switching within the rated output voltage.
The DC broad power supply "CVCW Series" is an industry-first high-capacity 2000W model. The DC broad power supply can output without range switching within the rated output voltage. It can output 2000W in ranges such as 100A at 20V and 28.5A at 70V. Additionally, you can register a set of voltage and current settings as one group in three memory slots and recall them for use as needed. For more details, please download the catalog.
For testing devices with DC input such as converters! A large-capacity rectifier that converts three-phase AC to DC.
Tokyo Seiden's "Rectifier Panel" is a large-capacity rectifier that converts three-phase alternating current into direct current. It can be used for testing devices with DC input, such as large-capacity power conditioners and converters. By switching taps, it can accommodate a wide range of input voltage. 【Features】 ■ Large-capacity rectifier ■ For testing devices with DC input ■ Capable of handling a wide range of input voltage ■ Additional functions such as voltage and current monitoring, overvoltage, and overcurrent discharge are possible *For more details, please download the PDF or feel free to contact us.
Capable of constant current control for effective value detection! A DC high current power supply used for constant voltage control.
Tokyo Seiden's "DC High Current Power Supply" is a DC high current power supply using a thyristor phase control method. The standard is constant voltage control, but it can also accommodate constant current control with effective value detection. It can be used for processes such as annealing of copper wire, electrodeposition painting, various plating applications, welding, DC arc furnaces, heaters, evaporators, and other applications that utilize heat from high currents. 【Features】 ■ It is possible to provide two output systems. ■ Output 2 can also be set as an AC output. ■ The transformer can be either built-in or separate, depending on the power supply capacity. ■ An optional power meter can also be added. *For more details, please download the PDF or feel free to contact us.
A structure with low inductance in the internal wiring of the device! Load resistor for 10kHz high-frequency inverter.
This device is a load resistor for a 10kHz high-frequency inverter. It uses a non-inductive resistor and has a structure with minimal inductance in the internal wiring, targeting an inductance value of 0.15μH. In addition to load devices, we also manufacture power supply units and can provide design and production that systematizes the entire device. 【Features】 ■ Load resistor for 10kHz high-frequency inverters ■ Uses non-inductive resistors and has a structure with minimal inductance in the internal wiring ■ Target inductance value of 0.15μH ■ Capable of design and production that systematizes the entire device *For more details, please refer to the PDF document or feel free to contact us.
Capable of handling multiple types of test voltages with a single unit! It is also suitable as a load for generators.
The device is a high-capacity load device capable of testing single-phase and three-phase systems. The test voltage can be manufactured according to specifications for both single-phase and three-phase as required. Furthermore, leveraging our transformer technology, it can accommodate several types of test voltages with a single unit. Due to its high capacity and selectable voltage, it is also suitable as a load for generators. 【Features】 ■ High-capacity load device capable of testing single-phase and three-phase systems ■ Test voltage can be manufactured according to specifications for both single-phase and three-phase ■ Utilizing our transformer technology, it can handle multiple test voltages with one unit ■ Loads suitable for each test capacity can be selected using a lighted push-button switch (Example of capacity selection range: 55kW Max for three-phase, 45kW Max for single-phase) ■ Suitable as a load for generators due to its high capacity and selectable voltage *For more details, please refer to the PDF document or feel free to contact us.
Easy to move with casters! No noise from fans due to the natural air cooling method.
This device is a load resistor that incorporates a power resistor. Current settings can be achieved by inputting 10 NFBs. It is designed for continuous rated specifications. Additionally, it can be used for actual load evaluation of the DC section of inverters and converters, as well as for discharging the DC section. It is equipped with casters for easy movement and operates on a natural air cooling system, so there is no noise from fans. 【Features】 ■ Load resistor with built-in power resistor ■ Easy to move due to the casters ■ No fan noise due to the natural air cooling system ■ Current settings possible by inputting 10 NFBs ■ Continuous rated specifications *For more details, please refer to the PDF document or feel free to contact us.
Convenient with casters for easy movement! It can be used domestically without modifying the voltage specifications.
The "Equipment Boosting Power Supply Transformer" is a boosting transformer designed for using export-spec machine tools and similar equipment with domestic power sources. It comes with convenient casters for easy mobility. You can use it domestically without modifying the voltage specifications of export machine tools. Additionally, if insulation is not required, it can be configured as an autotransformer, allowing for a more compact and lightweight design. The bottom part has no openings such as vents to prevent dust intrusion. 【Features】 ■ Can be used domestically without modifying the voltage specifications of export machine tools ■ Convenient casters for easy mobility ■ Can be configured as an autotransformer for compactness and lightweight design if insulation is not required ■ The bottom part has no openings such as vents to prevent dust intrusion ■ Primary and secondary voltage, capacity, and other specifications can be customized according to customer requirements *For more details, please refer to the PDF document or feel free to contact us.
Customizable for various uses! You can also combine three single-phase units to use them as a three-phase system.
The "High Current Transformer" is a transformer capable of generating high currents. It can be customized for various applications. It can also be used for instant testing (instantaneous disconnection testing). By combining it with our voltage regulator on the input side, you can build a system that allows for a wide range of current variability. 【Features】 ■ Capable of generating high currents ■ Customizable for various applications ■ By combining it with our voltage regulator on the input side, you can build a system that allows for a wide range of current variability ■ It is also possible to use three single-phase units together for three-phase applications *For more details, please refer to the PDF document or feel free to contact us.
Introducing a transformer that protects equipment from lightning surges entering through the power line!
The "Lightning Surge Transformer" protects equipment from lightning surges that enter through the power line by being installed in the power line. It possesses high impulse withstand characteristics due to its molded coil. Additionally, the surge transfer rate of this transformer is 1/100 when a 10kV voltage is applied. It can be used to protect indoor mobile phone base station power supplies, as well as to prevent equipment damage and operational failure due to lightning surge intrusion in communication equipment, electronic display devices, security systems, and more. 【Features】 ■ High impulse withstand characteristics due to molded coil ■ Surge transfer rate of 1/100 when a 10kV voltage is applied ■ Protection of indoor mobile phone base station power supplies ■ Prevention of equipment damage and operational failure due to lightning surge intrusion in communication equipment, electronic display devices, security systems, etc. *For more details, please refer to the PDF document or feel free to contact us.
We carry out repairs on insulation resistance testers and load devices! Here is an introduction to the repair process.
Tokyo Seiden Co., Ltd. provides repair services for power supplies and dielectric strength testers, among other products. First, please provide the model number, serial number, details of the malfunction, and the return address for the product you wish to have repaired. Based on the information received, we will submit a quotation for the inspection of the faulty parts. Please send the repair item to our factory, where we will conduct an inspection of the faulty parts. If repair is possible, we will submit a quotation for the repair costs and, after receiving your order, we will proceed with the work. Once the repair is complete, we will return the product to the specified address. *For more details, please refer to the PDF document or feel free to contact us.
Consists of pressure regulator panel, transformer panel, and control panel! The step-up and step-down voltage is powered by a motor-driven low-voltage high-current power supply.
The PS-HB0092 is a low-voltage high-current power supply that converts three-phase 200V to 0–7000A across three circuits to supply power to loads. The control is independent for each of the three circuits, and the voltage adjustment is motor-driven. It consists of a pressure regulator panel, a transformer panel, and a control panel. 【Features】 ■ Converts three-phase 200V to 0–7000A across three circuits to supply power to loads ■ Independent control for each of the three circuits ■ Voltage adjustment is motor-driven ■ Composed of a pressure regulator panel, a transformer panel, and a control panel *For more details, please refer to the related link page or feel free to contact us.
The output current can be adjusted with a manual handle! Introducing a low-pressure high-current power supply of approximately 270kg.
The PS-HB0104 is a power supply that generates large currents ranging from AC100A to AC2000A from a single-phase AC200V source. The output current is variable through a sliding-type voltage regulator and can be adjusted using a manual handle. The external dimensions are 802 (W) × 1350 (H) × 802 (D) mm, and the weight is approximately 270 kg. 【General Specifications】 ■ External Dimensions: 802 (W) × 1350 (H) × 802 (D) mm * Includes casters, but does not include cable hooks, output terminals, protruding parts such as handles, or rotating lights. ■ Weight: Approximately 270 kg ■ Cooling: Natural air cooling * For more details, please refer to the related links or feel free to contact us.
