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Nidec Copal MRB Rotary selector switch

Nidec Copal MRB Rotary selector switch

The MRB series stands out in the field of industrial instrumentation due to its focus on high contact reliability. The Nidec Copal MRB Rotary selector switch utilizes a twin-contact system that provides redundant connection points, significantly reducing the risk of signal failure caused by dust or oxidation. Rated at 0.4 VA Max at 12 VDC, it is perfectly tailored for logic-level switching where precision is paramount.

Operationally, this SP3T (Single Pole, Three Throw) switch provides a clear tactile feel, allowing users to select between three distinct circuit paths with confidence. The housing is constructed to be completely washable, ensuring that the switch maintains its high performance after automated wave soldering and board washing. Its miniature footprint allows for high-density mounting on modern circuit boards, making it a staple for high-tech control systems and precision instruments.

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Description

The Nidec Copal MRB Rotary selector switch is a high-performance miniature switching solution engineered for precise signal routing in logic-level applications. Featuring a specialized twin-contact mechanism, this switch ensures exceptional contact reliability and long-term stability even in low-current environments.

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The Nidec Copal MRB Series consists of super-miniature, process-sealed rotary selector switches. They are specifically designed for high-density mounting on PC boards and are highly reliable for “dry circuit” (low-power logic level) applications.

A key standout of this series is the twin-contact mechanism, which provides redundant contact points to ensure signal integrity even in environments with dust or oxidation.

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Specifications

FeatureSpecification
SeriesMRB
CircuitSP3T
Rating0.4 VA Max. (12 VDC)
Termination StyleThrough hole
Sealing PropertiesWashable
Contact TypeTwin contact for high reliability
ComplianceRoHS CoC

Features

  • Specialized twin-contact mechanism for maximum signal integrity and high reliability.
  • Fully washable sealed construction to protect internal components during PCB cleaning.
  • Miniature design optimized for high-density through-hole mounting.
  • Precision SP3T circuit configuration for multi-path signal selection.
  • Reliable performance at low-power logic levels (0.4 VA at 12 VDC).
  • Durable mechanical build providing long operational life in industrial settings.

Applications

  • Industrial Automation: Function selection and parameter setting on PLC modules.
  • Test and Measurement: Precise mode selection in handheld and benchtop multimeters.
  • Telecommunications: Internal configuration switching for networking and radio hardware.
  • Medical Electronics: Control interfaces for diagnostic devices and monitoring equipment.
  • Precision Tooling: Mode adjustment for digital calipers and high-accuracy measuring tools.

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