双興電機製作所 List of Products and Services

The "OCR-25CVKT" is a compact multifunctional OCR tester with a terminal type, allowing for flexible selection of test codes. With a rich auxiliary power supply (AC100V, DC110/48/24V selectable), it enables AC withstand voltage testing by connecting a withstand voltage transformer. The color coding of output terminals and cables makes work easier. 【Features】 ■ Flexible selection of test codes due to terminal type ■ Abundant auxiliary power supply (AC100V, DC110/48/24V selectable) ■ AC withstand voltage testing possible by connecting a withstand voltage transformer ■ Easier operation due to color coding of output terminals and cables *For more details, please refer to the PDF document or feel free to contact us.

• Testing Equipment and Devices

The VCBT-03K is a circuit breaker timing checker that can measure the operation time and three-phase unbalance time of circuit breakers. Test results can be confirmed on the main unit's display, and it adopts a three-power supply system (external AC, external DC, built-in battery). The trigger signals can be from contacts, voltage, or current, and the contact status can be identified by lamps. 【Features】 ■ Measures operation time and three-phase unbalance time ■ Test results can be confirmed on the main unit's display ■ Adopts a three-power supply system (external AC, external DC, built-in battery) ■ Trigger signals can be from contacts, voltage, or current (via optional clamp) ■ Contact status can be identified by lamps *For more details, please refer to the PDF materials or feel free to contact us.

• Circuit breakers and switches
• Testing Equipment and Devices

Our company has been manufacturing and selling user-friendly testing devices, measuring instruments, and maintenance management equipment for the maintenance and management of electrical equipment since its establishment. To respond to the increasingly diverse electrical equipment, new product development is being carried out daily, and we have assembled a wide range of products. This catalog introduces various electrical equipment devices from our company. [Contents] ■ Protection relay testing devices ■ Stabilized power supply units ■ AC withstand voltage testing devices ■ High-voltage insulation resistance testers ■ DC withstand voltage testing devices *For more details, please refer to the PDF materials or feel free to contact us.

• Testing Equipment and Devices
• Power Supplies
• Other electronic measuring instruments

The "HVT-11K" is a DC insulation resistance testing device equipped with an automatic discharge function. It uses a three-power supply system, making it ideal for on-site use. It is equipped with a built-in battery of DC12V, 2.5Ah, and it also supports fast charging (approximately 3 hours). The output voltage is displayed on an easy-to-read LCD screen. Detailed specifications are available in the catalog. 【Features】 ■ Automatic discharge function ■ Three-power supply system ■ Fast charging capability ■ LCD display *For more details, please refer to the catalog or feel free to contact us.

• Other measurement and measuring equipment

The "3124" is a direct current withstand voltage testing device that adopts a variable rated measurement voltage method. It can be set to any output voltage within the range of 1kV to 10kV. Additionally, it is equipped with an auto-discharge function, allowing for the automatic discharge of the charge stored in the circuit simultaneously with the completion of the measurement. The high-voltage insulation resistance scale is dual, and it is automatically switched by the internal circuit, making it easy to read. 【Features】 ■ Adopts a variable rated measurement voltage method ■ Equipped with an auto-discharge function ■ Dual scale *For more details, please refer to the catalog or feel free to contact us.

• Other measurement and measuring equipment

The "High Voltage Reactor (L Series)" is an AC withstand voltage testing device. By combining it with a withstand voltage transformer, it is possible to enhance the withstand voltage capacity using the reactor for power factor improvement during withstand voltage testing. It is safe as it adopts an oil-filled design. Additionally, we offer a wide range of options to choose from according to your needs. Please feel free to consult us. 【Features】 ■ For power factor improvement during withstand voltage testing ■ Can be combined with a withstand voltage transformer ■ Adopts an oil-filled design *For more details, please refer to the catalog or feel free to contact us.

• Other measurement and measuring equipment

The "IP-11K75M" is an AC withstand voltage testing device that integrates a transformer and control panel into one unit, necessary for conducting AC withstand voltage tests. It allows for the connection of an external high-voltage reactor (optional) to increase capacity. Additionally, it comes with terminals that can be connected to external ammeters and voltmeters. 【Features】 ■ Transformer and control panel integrated into one unit ■ Connection of high-voltage reactor (optional) available ■ Capacity increase possible *For more details, please refer to the catalog or feel free to contact us.

• Other measurement and measuring equipment

The "AD-2000" is a single-phase stabilized power supply device that employs a switching method. It uses an accurate sine wave recorded in ROM for the reference voltage waveform, providing high stability for output voltage, waveform distortion, and output frequency. Due to its high-frequency switching method, it can respond instantly to sudden load changes, ensuring a stable power supply at all times. For detailed specifications, please refer to the catalog. 【Features】 ■ Adoption of switching method ■ High stability ■ Immediate response to load fluctuations *For more details, please refer to the catalog or feel free to contact us.

• power supply
• Other electronic components and modules
• Other Machine Parts

The "DMC-25A" is a protective relay testing device that features a 4-digit LED display, maintains a wide range of time measurement with automatic digit advancement, and is compact, lightweight, easy to read, and user-friendly. It is equipped with three measurement functions: interval, train, and one-shot. The input signals for start and stop can respond to the application or removal of AC or DC voltage, and the contacts automatically correspond to make or break signals, making it convenient for measuring the operation and recovery time of various protective relays and electromagnetic contactors. Additionally, a noise mask circuit is employed on the stop side, allowing for the removal of noise for a few milliseconds on the stop side simultaneously with the start signal. 【Features】 ■ 4-digit LED display ■ Compact and lightweight ■ Noise mask circuit *For more details, please refer to the catalog or feel free to contact us.

• Other measurement and measuring equipment

The "RT-20KII" is a lightweight and compact multifunctional relay testing device. During voltage relay testing, it can be adjusted from 0 to 750V, and the voltage resistance section is equipped with a standard cooling fan. The voltmeter and ammeter use a true RMS indicating moving coil type, making it easy to read with equal divisions. Please refer to the catalog for specifications of the instrument operation section. 【Features】 ■ Lightweight and compact ■ Standard cooling fan included ■ Uses a circuit breaker *For more details, please refer to the catalog or feel free to contact us.

• Other measurement and measuring equipment

The "TVD-1000K" is a protective relay testing device that, when combined with an OCR tester, enables testing for VR, DGR (simple), and withstand voltage. By combining it with the OCR tester, it allows for voltage relay testing (OVR, UVR) and directional earth fault relay testing (simple direction). Additionally, it serves as an output voltmeter and secondary ammeter for AC withstand voltage testing. 【Features】 ■ Can be combined with OCR testers ■ Capable of withstand voltage testing *For more details, please refer to the catalog or feel free to contact us.

• Other analytical and testing equipment

The "OCR-50CK" is an overcurrent and ground fault relay testing device that can perform OCR and GR tests with a single unit. It is specifically designed for current relay testing, making field testing easy, and features convenient breakers for the power supply and auxiliary power supply. The ammeter uses a true RMS conversion method with a moving coil type, making it easy to read with evenly divided scales. It adopts a new high-performance counter, and the connection for test leads is made via connectors, all color-coded for clarity. With optional combinations, it is possible to conduct AC withstand voltage tests, voltage relay tests, and directional ground fault relay tests. Please feel free to consult us. 【Features】 ■ Uses breakers ■ Adopts moving coil type ■ New high-performance counter *For more details, please refer to the catalog or feel free to contact us.

• Other analytical and testing equipment