For RS485 lines, for RS422 lines, for RS232C lines, for high current signals.
Ministry of Land, Infrastructure, Transport and Tourism Standard Specifications for Public Building Construction Compatible Products (SR-GV24J, SR-GV38JN) Ministry of Land, Infrastructure, Transport and Tourism Building Equipment Design Standards Compatible Products (SR-GV24J, SR-GV38JN) Corresponding to JIS C 5381-21 SPD, lightning arresters (such as arresters, surge protectors), lightning protection products, lightning surge protection products, induced lightning protection, manufactured by Otowa Electric Industry, a specialist in lightning protection.
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basic information
*Features* 1. Compatible with RS485 lines 2. DIN rail compatible 3. Plug-in type (easy to inspect and replace) 4. SPD function display included (except for SR-GV38JN) The LED lamp turns off to indicate the replacement time, making inspection easy. (When using separate products, LED power supply type: SL-205A) 5. Compliant with RoHS regulations
Applications/Examples of results
【Purpose】 Protect equipment from lightning surges entering through communication lines. SR-GV5J: For RS485 lines SR-GV12J: For RS485 lines, For RS422 lines* SR-GV24J: For RS485 lines, For RS422 lines*, For RS232C lines SR-GV38JN: For high current signals (For RS485 lines, For RS422 lines*, For RS232C lines) *When using with RS422 lines, please prepare two units of this SPD. Also, ensure that the maximum continuous operating voltage is not exceeded during use.
Detailed information
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Easy-to-exchange plugin type
catalog（8）
Download All Catalogs
Otowa Electric Industry Catalog RS485 Line SPD SR-GV5J, SR-GV12J, SR-GV24J, SR-GV38JN
Otowa Electric Industry Catalog - SPD for Signal Lines and Telephone Lines, SL-GVJ Series, SL-TJ Series
Otowa Electric Industry Catalog - SPD for Telephone Terminals and Communication Terminals (SPU Series) SPU-T170J, SPU-GV24J
Otowa Electric Industry Catalog: SPD for 3-Wire Signal Lines SLT-GV5JW, SLT-GV12JW, SLT-GV24JW
Otowa Electric Industry Catalog Broadcast Line SPD SL-GZ110J
Otowa Electric Industry Catalog - SPD for Signal Lines and Telephone Lines, SG-GVJ, SGR-GVJ, SG-TJ Series (SG-GVJ Series)
Otowa Electric Industry Catalog - SPD for High Current Signal Lines - SL-KH24J
Otowa Electric Industry General Catalog
Company information
OTOWA is the only manufacturer in Japan specializing in lightning protection, having explored "lightning" since its establishment. We want to create a safe and secure society that does not fear the natural threat of "lightning." We will realize this wish with our advanced lightning protection systems. ◆ A Wide Range of Products Available We offer a variety of products, including surge protectors for power distribution, as well as those for offices, factories, railway vehicles, and general households. We also accommodate custom orders, so please feel free to consult with us. ◆ Consulting for Lightning Protection Lightning protection varies depending on various conditions such as location. OTOWA will propose the most suitable lightning protection measures for those conditions. ◆ World-Class Lightning Testing Facilities Using top-class testing facilities and a diverse range of testing equipment, we conduct product evaluation tests and development in-house. Our achievements are highly regarded, and we also accept contract testing (Lightning Technology Center). ◆ Unique Quality of Zinc Oxide Devices We produce zinc oxide (ZnO) devices under strict management. These devices are the heart of surge protective devices (SPDs) and are indispensable for lightning protection.
