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  5. relay
  6. Relays are widely used in manufacturing test equipment and other applications requiring high-frequency opening and closing.

Relays are widely used in manufacturing test equipment and other applications requiring high-frequency opening and closing.

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Plugin type relay RB-3P series, board-mounted reed relay RZDR-E series.

last updated:Aug 21, 2025

べスタクト・ソリューションズ
べスタクト・ソリューションズ
  • Official site

Supports high-frequency opening and closing! A long-lasting and highly reliable plug-in relay, suitable for board mounting!

Our plug-in relays and PCB-mounted relays are used in the shipping test equipment at the manufacturing site. Leveraging their long lifespan and high reliability, they meet the high-frequency opening and closing requirements of the shipping test equipment. The long contact lifespan of the Bestact relays reduces maintenance frequency. Additionally, their excellent environmental resistance allows them to adapt to various on-site conditions.

    relayswitchSafety Relay
3_試験機とベスタクト1.jpg

Relays are widely used in manufacturing test equipment and other applications requiring high-frequency opening and closing.

3_試験機とベスタクト1.jpg
3_試験機とベスタクト1.jpg
  • Related Link - https://www.bestact.co.jp/products?utm_source=ipro…

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basic information

Plugin type relay RB-3P series, board-mounted reed relay RZDR-E series ■ Rated operating current High capacity type AC 220V 1A *cosφ = 0.4 (AC 50/60Hz) DC 110V 0.5A, 220V 0.2A *cosφ = 0.4 (AC 50/60Hz) ■ Minimum operating voltage and current Minimum operating voltage and current 24V 1mA* 5V 10mA* Failure rate λ₆₀ = 4.6×10⁻⁹ (/ time) or less * For digital applications with phototransistor lighting circuits ■ Temperature characteristics RZDR-E Operating ambient temperature -40 to +70℃ Storage ambient temperature -60 to +85℃ (This varies by model, so please check the catalog for details.) RB-3P Operating ambient temperature -25 to +55℃ Storage ambient temperature -25 to +75℃ (This varies by model, so please check the catalog for details.)

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Applications/Examples of results

Purpose: Shipping test equipment requiring high-frequency opening and closing Adopted products: Plug-in relay RB-3P series, board-mounted reed relay RZDR-E series For more details, please contact us.

Detailed information

  • 3_RB-3P521V2C,

    This product is equipped with Yaskawa Power Lead Switch Bestact. Our products have been recognized for their value by customers over many years in markets that demand high reliability and safety. We are preparing materials to explain "Bestact," the core technology that makes our products long-lasting and highly reliable, so please take a look at the catalog "[Material] What is a Lead Switch?"

Company information

べスタクト・ソリューションズ

べスタクト・ソリューションズ

Industrial Electrical Equipment

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For over 40 years, our relays and sensors have been used in various markets where reliability and safety are required, such as in Shinkansen (bullet trains) and steel manufacturing. With advantages such as an electrical lifespan that is twice that of general relays and a failure rate that is 1/20 under minimal loads, our products contribute to improving equipment reliability while also reducing running costs by decreasing the frequency of replacements. Leveraging the excellent environmental resistance of our products, they perform well even in harsh environments, such as in vegetable factories where humidity is present.

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