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  6. Proximity switch that can directly open and close inductive loads without the need for a power supply.

Proximity switch that can directly open and close inductive loads without the need for a power supply.

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Bestact Magnetic Proximity Switch

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

Proximity switches, praised for their long lifespan and low failure rate even in high-temperature and high-humidity adverse environments, are available for selection from a rich lineup!

We have received high praise for the ability to directly open and close inductive loads, the lack of need for a power supply, and the long lifespan and low failure rate compared to other companies' products. For nearly half a century, we have been trusted and used in various markets where reliability and safety are required, such as steel, elevators, and lifting equipment. High-performance contacts: By incorporating a bestact, we contribute to the stable operation of equipment and machinery with long-lasting and highly reliable switching, even under high-frequency and low-frequency conditions. We hope to reduce the frequency of replacements for your proximity switches and limit switches, thereby lowering maintenance costs. Please take a moment to check out switches that perfectly match your required drive method, sensing distance, and temperature specifications. You will truly appreciate their quality once you use them. 【Features of magnetic proximity switches with built-in bestact contacts】*Comparison with equivalent products from other companies ○ "High contact reliability": Low failure rate and long lifespan due to a unique contact mechanism ○ "Excellent environmental resistance": Minimal long-term degradation from external environments, strong against high temperatures and humidity ○ "High vibration and shock resistance": Strong against vibration and shock due to a unique contact mechanism ○ "Supports from small to large capacity": Operates with high contact reliability from small to large capacities ○ "Low maintenance frequency": Long lifespan reduces maintenance burden

    switchswitchOther safety equipment
IPROS9010290979127642801.png

Proximity switch that can directly open and close inductive loads without the need for a power supply.

IPROS9010290979127642801.png
IPROS9010290979127642801.png
  • Related Link - https://www.bestact.co.jp/products/proximity-switc…

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basic information

【Contact Performance】  ○ Rated Operating Current (Inductive Load) *For Built-in Bestact R15 Type   AC220V 1A (50/60Hz)   DC110V 0.5A, DC220V 0.2A (L/R = 100ms)  ○ Rated Operating Current (Inductive Load) *For Built-in Bestact R25 Type   AC220V 0.5A (50/60Hz)   DC110V 0.3A (L/R = 40ms)  ○ Rated Insulation Voltage   AC250V (50/60Hz)  ○ Minimum Operating Voltage/Current   24V 1mA Failure Rate λ₆₀ = 4.6×10⁻⁹ (per operation) or less  ○ Initial Contact Resistance   500mΩ or less (DC6V 1A) For more details, please download the "Relay/Proximity Switch/Limit Switch Specification Catalog" from our company website and refer to the Magnetic Proximity Switch page. Download URL: https://www.bestact.co.jp/gl/download/catalog/general

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Applications/Examples of results

For nearly half a century, we have been trusted and used in various markets where reliability and safety are required, such as steel, elevators, and lifting equipment.

Detailed information

  • パワーリードスイッチ『ベスタクト』.jpg

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

Line up(4)

Model number overview
PSMO type Bene-type magnetic proximity switch (high-temperature type also available)
PSMS type Separate type magnetic proximity switch (high temperature type also available)
PSMM type Memory-type magnetic proximity switch (high-temperature type also available)
PSMS-RV type Cylindrical magnetic proximity switch (high-temperature type also available)

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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