Contract testing at the Thunder Technology Center (equipped with testing facilities and equipment related to thunder).
Contract testing and tours (by appointment) are available at the Thunder Technology Center (equipped with testing facilities and equipment related to thunder).
The Lightning Technology Center is the only lightning-specialized testing center in Japan, equipped with various testing devices such as lightning testing equipment that utilizes the technology of OTOWA. We accept commissioned tests using testing equipment and devices from Otowa Electric Industry. We conduct development tests for lightning protection products and evaluation tests for various electrical devices, contributing to a safe and secure society. ■ Target Tests (also compatible with JIS and IEC standards) Lightning surge withstand tests for various electrical devices (impulse voltage tests, current tests) Commercial frequency withstand voltage tests for various electrical devices Operational responsibility tests for high-voltage and low-voltage lightning arresters Protection coordination tests using high-voltage and low-voltage lightning arresters Mechanical strength: vibration tests, tensile and compression tests Various environmental tests: cold heat, salt spray, sunlight, etc. *We have materials available for facility information and commissioned tests. Please request them through the inquiry form. Lightning Technology Center: Amagasaki City, Hyogo Prefecture (10 minutes by train from JR Osaka Station to JR Amagasaki Station, within walking distance)
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*Features* - Equipped with one of the world's largest 220kA direct lightning current testing facilities. - The Otowa testing facilities and equipment include direct lightning current testing devices, lightning impulse voltage testing devices, a simulated house for indoor surge verification, and a lightning museum. ■Main Tests and Equipment Direct Lightning Impulse Current Test: Simulates lightning current. Representative waveform: 10/350μs Maximum generated current: 220kA Lightning Impulse Voltage Test: Simulates lightning voltage. Waveform: 1.2/50μs Maximum generated voltage: 1500kV Maximum charging voltage: 1600kV Lightning Impulse Current Test: Simulates lightning current. Waveform: 4/10μs or 8/20μs Maximum generated current: 100kA Switching Impulse Voltage Test Waveform: 250/2500μs Maximum generated voltage: 1000kV Simulated House for Indoor Surge Verification Verifies the effects of lightning using actual houses, equipment, wiring, and electrical devices. AC Dielectric Strength Test Maximum generated voltage: 150kV Surge Immunity Test (Combination Waveform) Conducts limit tests for lightning protection products and tests the lightning surge tolerance of various electrical devices.
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■Related Standards JIS A 4201 Lightning Protection for Buildings JIS Z 9290-4 Lightning Protection - Part 4: Electrical and Electronic Systems within Buildings JIS C 5381 Series Low Voltage Surge Protective Devices (SPD) Related Standards JIS C 60664 Insulation Coordination for Equipment within Low Voltage Systems JIS C 61000-4-5 (IEC 61000-4-5: 2005) Electromagnetic Compatibility - Part 4-5: Testing and Measurement Techniques Surge Immunity Tests, etc. (IEC 61000-4-5: 2014) *We have prepared materials regarding facility information and contracted testing. Please request them through the inquiry form.
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OTOWA is the only manufacturer in Japan specializing in lightning protection, having explored "lightning" since its founding. We want to create a safe and secure society where people are not afraid of the natural threat of "lightning." We will realize this wish with our advanced lightning protection systems. ◆ A wide range of product lineup 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 equipment and a variety of testing facilities, 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 essential for lightning protection.
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