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China-based sensor magnet manufacturer. OEM customization, magnetic assemblies, quality control, and global delivery from Ganzhou and Dongguan.

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Include drawing, dimensions, material, coating, magnetization, quantity, and delivery location.

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+86 18857971991

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Direct channel for RFQ details and engineering clarification.

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Reed Switch Magnets

Magnets for reed switch actuation in proximity, level, door, and safety sensing applications, with focus on pull-in distance, polarity, and repeatable assembly behavior.

Target Buyer:Best for switch manufacturers and equipment OEMs that need stable operate and release distance in production.
Reed switch magnets for proximity sensors

Reed Switch Magnets reference visual for buyer-side RFQ and sample validation.

Capability Highlights

  • Magnets for glass reed switches, float assemblies, door contacts, and proximity housings
  • Material and size selection around operate/release distance targets
  • Coating and encapsulation review for humid or outdoor applications
  • Packaging controls for polarity and mixed-size assembly programs

Typical Applications

  • Reed proximity switches
  • Magnetic door and lid detection
  • Float and level sensing
  • Industrial safety and limit switching

Engineering Focus

  • Map pull-in and drop-out distance to magnet grade, shape, and travel path
  • Review how the magnet approaches the reed capsule in the final housing
  • Control polarity orientation for consistent field direction at the switch
  • Align corrosion protection and encapsulation with the operating environment

Key Evaluation Matrix

MetricTypical RangeWhy It Matters
Actuation distanceBuyer-defined pull-in and release windowThe magnet must switch reliably without causing unwanted activation or missed states.
Environmental protectionCoating, potting, carrier, or encapsulation by RFQReed switch magnets often operate near moisture, liquids, or outdoor housings.
Polarity orientationMarked and packed by agreed directionIncorrect polarity orientation can change switch behavior after assembly.

RFQ Checklist

  1. Reed switch model or target operate/release distance
  2. Actuation path, mounting direction, and required switching repeatability
  3. Magnet envelope, drawing, tolerance, material, and coating
  4. Operating temperature, liquid exposure, and outdoor/indoor use
  5. Prototype quantity, production forecast, and packaging needs

Risk Controls

  • Operate distance not matching the final product: Test the magnet in the real housing geometry, not only as a loose component.
  • Corrosion in liquid or outdoor use: Review coating, encapsulation, and carrier design before production release.
  • Mixed orientation during assembly: Use polarity marking, tray orientation, and incoming inspection notes.

Validation Boundary Before Drawing Freeze

Field proof

Use gaussmeter mapping as a screening step, then confirm sensor output at the assembled air gap.

Environment proof

Review temperature, corrosion, vibration, adjacent metal, coating limits, and demagnetization margin.

Document proof

Request inspection records, C of C, RoHS/REACH-style files, or PPAP-ready evidence only when the project requires it.

Automotive, medical, aerospace, and other high-reliability programs should treat page data as sourcing guidance. Final approval depends on buyer-specific testing, documentation scope, and application validation.

Product and Application References

Matched product visuals selected from the current sensor magnet image library by filename and topic fit. Use them as RFQ discussion references, not as final drawing approval.

Magnet components for reed switch actuation
Magnet components for reed switch actuation
Custom reed switch magnet samples
Custom reed switch magnet samples

Buyer FAQ

Can you quote from a target switching distance?

Yes. Please also share the reed switch model, movement path, housing material, and magnet space limit.

Can you supply magnets for float level sensors?

Yes. We can review magnet material, coating, buoyancy-related size limits, and assembly method for float sensor projects.

Related Resources

  • Proximity switching applications
  • Contact / RFQ

Inquiry Email

[email protected]

Email app

Include drawing, dimensions, material, coating, magnetization, quantity, and delivery location.

Instant Chat

+86 18857971991

Chat on WhatsApp

Direct channel for RFQ details and engineering clarification.