[Case Study] Operation switches with excellent environmental resistance in the control panel of a steelmaking factory.
By adopting the highly reliable and long-lasting power lead switch "Bestact" at the contact points, we have significantly improved issues related to contact failure and contact bounce!
Introducing the Bestact contacts used in the output contacts of the master controller in the machining factory. Conventional contacts operate mechanically through the sliding of a cam. However, due to harsh operating environments, the contact surfaces can oxidize, forming an oxide film that can lead to poor contact. Therefore, the main operation switchgear that uses a contact unit with inert gas-filled contacts (Bestact) helps improve the contact reliability of the output contacts. The product series includes two variations: a maximum output of 16 contacts (8 levels) with notch angles of 90° (2 notches) or 45° (3 notches). It is ideal for general industrial and vehicle control operation equipment, especially in harsh environments or infrequent use. The environmentally resistant operation switch helps reduce maintenance, workload, and costs for customers.
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basic information
Operation Switch PLRC ■ Rated Operating Current AC 220V 0.5A *cosφ = 0.3 (AC 50/60Hz) DC 110V 0.3A *cosφ = 0.3 (AC 50/60Hz) ■ Minimum Operating Voltage/Current 24V 1mA, 5V 10mA* Failure Rate λ₆₀ = 4.6×10⁻⁹ (/ time) or less *For digital applications of photo-coupler lighting circuits Rated Insulation Voltage: AC250C (commercial frequency) ■ Minimum/Maximum Contact Configuration: Minimum (1 stage: 2 contacts) to Maximum (8 stages 16 contacts) ■ Protection Structure: IP40 ■ Operating Ambient Temperature: -20~+60℃ ■ Storage Ambient Temperature: -30~+70℃
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Applications/Examples of results
Purpose: Operation switch for the steelmaking factory Adopted product: Operation switch PLRC For more details, please contact us.
Detailed information
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This product is equipped with a 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 have prepared materials explaining "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
For over 40 years, our relays and sensors have been trusted and used in various markets where reliability and safety are essential, such as in Shinkansen (bullet trains) and steel manufacturing. With advantages such as an electrical lifespan that is twice that of standard relays and a failure rate of 1/20 under low loads, we 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 conditions, such as in vegetable factories where humidity is present.
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