Lightning-resistant transformer LT series by Tsuruta Electric, low-voltage transformer.
A lightning surge protection transformer that can protect devices and circuits from lightning surges. It protects devices and circuits, preventing accidents caused by electrical products during lightning strikes.
The LT series transformer minimizes damage from lightning surges and is essential for remote locations and unmanned facilities.
The JISC6436・JEC2200 standard-compliant lightning-resistant transformer LT series ensures a surge attenuation rate (transition rate -60dB) with the standalone lightning transformer, capable of reducing the ratio to as much as 1000:1. The attenuation rate is calculated as 20 log Vs/Vp (dB) [Vp primary voltage, Vs secondary voltage]. ■Specifications■ *Primary voltage: E and H types are 200V, F type is 100V (MAX 400V series) *Secondary voltage: E and F types are 100V, H type is 200V (MAX 400V series) *Rated capacity: 200VA to 10kVA *Insulation class: A, B, F *Frequency: 50/60Hz ■Electrical Performance■ *Voltage fluctuation rate: 5% or less for 200VA to 2kVA, 3% or less for 3kVA and above *Insulation resistance: 100MΩ or more at DC100V megger *Withstand voltage: 10kV AC for 1 minute (between primary and secondary windings and installation) *Impulse withstand voltage: 30kV (1.2x50μs) (between primary and secondary windings and installation) *Surge transition rate: -40 to +60dB or less in common mode *Noise: 60dB or less (at a distance of 1m from the outer surface)
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basic information
The lightning protection transformer is a surge isolation transformer that protects devices and circuits from lightning surges. By using a lightning protection transformer, you can protect devices and circuits and prevent accidents caused by electrical products during lightning strikes. The surge attenuation rate is secured at over -40dB, and surge transition test data is provided for all products. Our lightning protection transformers also have features that can prevent noise that cannot be mitigated by regular transformers. They can be installed in areas where lightning surges are expected and where noise is a concern. Please refer to the lightning noise stopper transformer. *In this context, "noise" refers not to the so-called "static" that can be recognized by the human ear, but to the "random fluctuations of electrical signals" caused by physical laws or equipment malfunctions. = Regarding Applicable Standards = ■ Domestic Standards: Our products are tested based on the following domestic Japanese standards: JEC-2200, JISC6436, JISC5310, JISC61558, JEC-2210.
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Applications/Examples of results
Remote locations, unmanned facilities, areas with frequent lightning strikes, television stations, satellite stations, power supply devices for wireless relay stations/substations, computer power supplies, surveillance cameras/security systems, traffic communication equipment for railways/aircraft/roads, control equipment. = Tsuruha Electric Co., Ltd. = We design, develop, and manufacture transformers and POWER BOX solutions aimed at solving power supply issues across various industries, including machinery and medical applications, as well as transformer systems for energy solutions. ■ Engineering services for transformer systems and switchboards for battery storage and full self-consumption PV solar power generation. = Main Series Names = ■ PPSC: System transformer for full self-consumption solar power generation ■ OFGS: System transformer for industrial battery storage ■ SCOTT: Scott transformer specifically for battery systems (dry-type Scott transformer) ■ SPI: Insulated transformer for solar power generation ■ RS: Integrated transformer for full self-consumption solar power systems ■ FR: Products compliant with fire prevention regulations
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Company information
At our domestic factory certified to international standards, we carry out integrated in-house production, from transformer development to manufacturing, inspection, certification, and shipping. Including the manufacture of transformers for medical equipment, semiconductor manufacturing equipment, machine tools, and other applications, we also offer a wide range of products and technologies for various fields, with the mission of providing safe electricity supply, including full amount self-consumption solar power generation systems and switchboards for industrial battery storage systems. With over 50 years of proven technology and expertise, we provide energy solutions such as various transformers and power reception/supply systems. We manufacture optimised transformer products for a wide range of applications and specifications, including machinery, equipment, systems, and various types of plants. In addition, we offer transformer systems for renewable energy/solar power generation systems, with a track record of manufacturing and installing more than 15,000 units. We propose solutions that take into account installation and construction issues as well as environmental conditions, with a focus on safety and reliability. Furthermore, in battery storage systems, we deliver optimal solutions for efficiently utilising solar power generation.
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