Lightning protection for solar power generation systems! SPD for various instrumentation, measurement lines, and communication lines.
The "ZPW-485 and ZPW-NM models" are communication SPD (surge protective devices) for RS-485, ideal for lightning protection of communication, measurement, and instrumentation lines in solar power generation systems and similar applications. They comply with JIS C 5381-21 / IEC 61643-21 Category C2, D1. With a plug-in structure that excels in maintainability, they allow for plug removal and insertion without interruption. Available in screw terminal type and quick terminal type. 【Features】 ■ Multi-core compatible (NM: 4 cores, 485: 3 cores) ■ Mountable on DIN rail (35mm) ■ Compliant with RoHS directive ■ Equipped with deterioration display function For more details, please refer to the catalog or feel free to contact us.
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basic information
【Main Specifications】 ■Model: ZPW-NM / ZPW-485 ■Usage: Various instrumentation, measurement, and communication lines (4-core) / RS485/RS422 lines (3-core) ■Maximum Continuous Operating Voltage (L-L): DC150V / DC6V ■Rated Current (L-T): 100mA / DC100mA ■Series Resistance ・Between L-T: - / 10Ω or less ・Between S-G: - / 1Ω or less ■Voltage Protection Level (1.2/50μs・10kV 8/20μs・5kA) ・Between L-E: 1,000V or less / - ・Between each L terminal: 50V or less / - ・Between T-E: - / 500V or less ■Insertion Loss (DC to 1MHz): 0.5dB or less / 1.0dB or less *For more details, please refer to the catalog or feel free to contact us.
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Applications/Examples of results
【Purpose】 ■ Lightning protection for various instrumentation and measurement lines, communication lines, etc., such as solar power generation systems and disaster prevention monitoring panels. *For more details, please refer to the catalog or feel free to contact us.*
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Company information
Since its founding in 1930, Sankosha has expanded its business in response to the needs of the times, from the design and manufacturing of communication security devices and lightning rods to the design and manufacturing of meteorological observation instruments and optical technology-related equipment. Additionally, we established Franklin Japan (in Sagamihara City), a lightning and weather information company, and provide high-precision lightning strike information services through a lightning observation network installed throughout Japan, solidifying our position as the world's only comprehensive company related to 'lightning,' from observation to protection.