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Nidec Copal MR (36° step) Rotary selector switch

Nidec Copal MR (36° step) Rotary selector switch

The MR series rotary switches are built to provide a dependable interface for logic-level switching and mode selection. The Nidec Copal MR (36° step) Rotary selector switch utilizes a 36-degree stepping angle, which offers a perfect balance between a high number of positions and a tactile, error-free user experience. This specific indexing ensures that every selection is secure, preventing accidental overlaps during operation.

A significant competitive advantage of the Nidec Copal MR (36° step) Rotary selector switch is its environmental resilience. The switch is constructed with heat-resistant materials and features an O-ring sealing system that makes it completely washable. This allows manufacturers to use aqueous or solvent cleaning methods post-soldering without risking internal contamination. Furthermore, the twin-contact self-cleaning mechanism ensures that each rotation clears away surface oxidation, maintaining ultra-low contact resistance even in environments prone to dust or humidity.

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Description

The Nidec Copal MR (36° step) Rotary selector switch is a high-precision subminiature component designed for robust circuit control in industrial and telecommunications equipment. Featuring a distinct 36-degree indexing angle, this switch provides accurate 10-position selection in a compact through-hole package, ensuring reliable hardware-level configuration for complex systems.

The Nidec Copal (formerly Fujisoku) MR series is a line of miniature rotary selector switches known for their reliability and customizable “variable stopper” system. The 36° step version is particularly common for 10-position or 5-position configurations.

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Specifications

  • Circuit: Rotary Selector
  • Number of Positions: 10
  • Step Angle: 36°
  • Rating (Non-switching): 100 mA, 50 VDC
  • Rating (Switching): 100 mA, 5 VDC
  • Contact Resistance: 100 mΩ maximum
  • Insulation Resistance: 1,000 MΩ minimum (100 VDC)
  • Dielectric Strength: 250 VAC, 1 minute
  • Mechanical Life: 10,000 steps
  • Operating Torque: 5 to 30 mN·m

Features

  • Precision 36-Degree Indexing: Provides 10 distinct positions with a firm tactile detent for accurate circuit selection.
  • Fully Washable Construction: O-ring sealing allows for thorough immersion cleaning after the soldering process.
  • Self-Cleaning Twin Contacts: The wiping action of the contacts ensures high reliability and consistent signal integrity.
  • Subminiature Space-Saving Design: Ideal for high-density PCB layouts where reliable switching is required in a small footprint.
  • Superior Gold-Plated Finish: Protects against environmental corrosion and maintains stable electrical performance.
  • Industrial Thermal Stability: Built to withstand professional soldering profiles and wide operating temperature ranges.

Applications

  • Industrial Automation: Setting device IDs and operational parameters in PLC modules and remote sensors.
  • Telecommunications Infrastructure: Hardware-level configuration and mode switching for networking and server equipment.
  • Test and Measurement: Calibration range selection and function control in handheld diagnostic tools.
  • Medical Instrumentation: Internal parameter settings for portable monitoring and diagnostic hardware.
  • Security Systems: Logic control and address setting for alarm panels and surveillance controllers.

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