Achieving space-saving for the board! Preventing unwanted operation caused by lightning surge currents with a newly developed electronic control method!
The "DSP103A model" is a dedicated protector that detects fault currents in SPDs (surge protective devices) and automatically disconnects them. It can be used as an SPD separator according to the selection and application standards outlined in JIS C5381-12. By adopting new technology, it achieves high performance and high reliability. 【Features】 ■ Prevents unnecessary operation due to lightning surge currents with a newly developed electronic control method ■ Disconnects a wide range of currents from short circuits to continuous flow during SPD failure ■ Expands the range of lightning surge currents with a newly developed contact rebound suppression method ■ With a frame size of 100A, it supports Class I SPDs, achieving space-saving in panels *For more details, please refer to the PDF materials or feel free to contact us.
Inquire About This Product
basic information
【Specifications (Partial)】 ■ Number of poles and applicable phase wiring: 3 poles (can be used as 2 poles)・Three-phase 3-wire, single-phase 3-wire, single-phase 2-wire ■ Applicable system voltage and frequency: AC100V, 200V 50/60Hz ■ Impulse withstand voltage: 8kV ■ Accessories (optional): Alarm switch, auxiliary switch ■ External dimensions: 155×90×82mm *For more details, please refer to the PDF document or feel free to contact us.
Price range
Delivery Time
Applications/Examples of results
For more details, please refer to the PDF document or feel free to contact us.
catalog（7）
Download All Catalogs![Nikko Electric Manufacturing Co., Ltd. Surge Protective Device Separator (SPD Separator) DSP103A [Nikko Electric Co., Ltd., a transformer manufacturer in Miyagi Prefecture]](https://image.www.ipros.com/public/catalog/image/01/0fe/539012/IPROS42584931899982741963.jpeg?w=120&h=170)
![Nichiko Electric Co., Ltd. [Official LINE Account] QR Code](https://image.www.ipros.com/public/catalog/image/01/014/750152/IPROS3486104943723195513.jpeg?w=120&h=170)
![Max Corporation Tube Marker [Letter Twin] Function Comparison Table (Nikko Electric Sendai Sales Office)](https://image.www.ipros.com/public/catalog/image/01/f27/796501/IPROS6510307976372567619.jpeg?w=120&h=170)
News about this product（2）
Company information
The "Osaki Industrial Fair 2025" is scheduled to be held on October 17 (Friday) and 18 (Saturday) of the 7th year of Reiwa!! https://sangyo-osaki.com/2025/08/28/osirase/ This time, we will be exhibiting mainly from our Sendai office. Please feel free to stop by our booth. At the TECHNO-FRONTIER 2025 Power System Exhibition, we were fortunate to connect with many people this year. Thank you to everyone who visited us. ☆☆☆☆★☆☆☆☆★☆☆☆☆★☆☆☆☆★☆☆☆☆ As the general agent for floor heating systems and snow melting systems, we respond to diverse needs not only in general residences across Tohoku but also in welfare facilities and public institutions, with the latest system variations and comprehensive total support. You can experience comfortable warmth from the morning with heat stored overnight. The "storage heating floor heating system" that utilizes nighttime electricity is an economical and ideal system for keeping your head cool and your feet warm. Since it does not use any fire indoors and does not require space for heating equipment, it is perfect for daycare centers, kindergartens, and welfare facilities.