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Protection Relay - List of Manufacturers, Suppliers, Companies and Products | IPROS GMS

Protection Relay Product List

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Hasegawa Electric Industry Co., Ltd.

Hasegawa Electric Industry Co., Ltd.

We pursue the visualization of electricity.

Modern society has developed significantly alongside the advancement of electronics. However, we cannot overlook the disasters such as personal accidents and fires caused by improper handling of electrical equipment. We at HASEGAWA, as a pioneering manufacturer of ground fault protection relays and voltage testers, will continue to contribute to a comfortable and safe electronics society by realizing this with HASEGAWA's technological capabilities.

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Mitsubishi Digital Protective Relay "MELPRO-A Series"

Mitsubishi Digital Protective Relay "MELPRO-A Series"

Meeting the needs of the times! Strongly supporting design, operation, and maintenance with high reliability and new features.

The "MELPROTM-A Series" is a Mitsubishi digital protective relay that newly incorporates a three-stage characteristic into the instantaneous element of OCR. It can operate with currents below the instantaneous setting value (in four stages from 20% to 80%), making it easy to consider protection coordination with distribution substations. A single ZVT can supply zero-sequence voltage to multiple protective relays. 【Features】 ■ Supports diverse protection coordination ■ Expanded number of connections from ZVT ■ Complies with advanced standards ■ Easy to update from conventional models ■ High operability and visibility design *For more details, please download the PDF or feel free to contact us.

  • 三菱ディジタル形保護継電器『MELPROTM-Aシリーズ』2.png
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Transformer protection device for vehicles

Transformer protection device for vehicles

Introducing "Vehicle Transformer Protection Devices" handled by Shinagawa Instrument Manufacturing!

The technical expertise and know-how that our company has accumulated over many years in the field of large transformers for ground use are also widely utilized in "transformer protection devices for vehicles," which require high durability and vibration resistance. We offer a lineup that includes the "automatic reset pressure relief valve," which captures pressure increases inside the transformer and instantly releases pressure, as well as "dial thermometers." 【Features】 <Automatic Reset Pressure Relief Valve> ■ Opens the valve to reduce pressure when the internal pressure of the transformer exceeds the specified level. ■ Automatically closes the valve and resets when the pressure drops to a certain level. *For more details, please refer to the PDF materials or feel free to contact us.

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  • Transformers
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