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MRS12 Reed Proximity Switch

Technical product information for engineering review. Request datasheet, samples, pricing, lead time, or a cross-reference recommendation for this part.

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MRS12 Reed Proximity Switch

MRS12 Reed Proximity Switch

MRS12 Reed Proximity Switch for engineering selection. A(常开) / C(转换) contact. 200 V / AC 260/DC 200 V / AC 300/DC 350 V / 175 V switching. 10 W / 10 (HV) W / 50 W / 5 W rating.

Price on Request

This item needs engineering confirmation before purchase. Send quantity, application and target specifications for pricing.

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Sample, Datasheet & Engineering Support

  • Model: MRS12
  • Purchase path: RFQ first
  • Production projects: RFQ recommended for final electrical confirmation.

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Primary path is RFQ. Use Buy Sample only for engineering validation quantities.

SKU: MRS12 Categories: ,
Model detail

MRS12 product details, applications and specifications

Use this family when a sealed non-contact or magnetically actuated sensing point is required. Final magnet distance, cable length and environmental rating should be confirmed for each installation. The table below summarizes the key selection points; use the model datasheet for dimensions, ratings and ordering confirmation.

MRS12 Reed Proximity Switch
Reed Sensor and Magnetic Switch principle illustration
1Magnet / float / target
2Reed sensor capsule
3Signal cable / connector
4PLC / controller input

Main specifications for RFQ

Public model
MRS12
Product family
MRS Reed Switches, Reed Sensors
Sensing mode
Magnetic proximity, level, float or position sensing
Output
Normally open/closed or model-specific output
Housing
Plastic, metal or molded sensor body depending on series
Cable / connector
Lead wire and connector options by model
Environment
Confirm temperature, media and sealing requirements by RFQ
Datasheet
Available as individual PDF for this model
Datasheet-style view

MRS12 technical data by section

Grouped specification blocks make this model page easier to scan for engineering selection, RFQ review and sample validation.

Contact / output data

Sensing mode
Magnetic proximity, level, float or position sensing
Output
Normally open/closed or model-specific output

Mechanical & mounting

Housing
Plastic, metal or molded sensor body depending on series
Cable / connector
Lead wire and connector options by model
Environment
Confirm temperature, media and sealing requirements by RFQ

Ordering / RFQ notes

  • Confirm exact ordering code, coil voltage, contact form and termination style before purchase.
  • Share load voltage/current, load type, duty cycle, ambient temperature and isolation requirement in RFQ.
  • Use the linked PDF datasheet for package drawing, dimensions and final rating limits.
  • For reed sensors, confirm pull-in/drop-out distance with the actual magnet, orientation, housing, cable and nearby metal parts.
  • Product family context: Reed Sensor and Magnetic Switch.
Engineering selection notes

Avoid common specification mistakes

These notes keep product pages useful for engineers while avoiding overclaims. Final ratings remain model- and application-specific.

Pull-in and drop-out are differentActuation distance depends on magnet strength, approach direction, sensor sensitivity, housing, nearby metal and installation geometry. Allow for hysteresis between operate and release points.
The whole assembly sets the environment ratingThe reed capsule may be sealed, but IP rating, cable seal, housing material, potting and connector selection determine fluid, temperature and outdoor suitability.
Check load protectionPassive reed sensors draw no steady-state power, but switching voltage/current/wattage limits still apply. Inductive and capacitive loads may need suppression or interface circuitry.

Typical applications

  • Fluid level detection
  • Door / position sensing
  • Industrial equipment interlock
  • Vehicle and machinery monitoring

What to confirm before purchase

  • Voltage, current, load type and safety margin
  • Contact form, coil voltage and drive circuit
  • Mounting, wiring, environmental and compliance requirements
  • Sample validation quantity and production forecast
FAQ

MRS12 ordering FAQ

These visible answers mirror the FAQ structured data and clarify what buyers should confirm before sample approval or production ordering.

What should be confirmed before ordering MRS12?

Confirm the exact ordering code, coil or control voltage, contact form or output type, voltage/current rating, mounting style, environmental conditions and validation quantity.

Is a PDF datasheet available for MRS12?

Yes. The model page links to an individual PDF datasheet for engineering review and RFQ confirmation.

What applications is this product family used for?

Fluid level detection, Door / position sensing, Industrial equipment interlock, Vehicle and machinery monitoring.

Recommended next steps

MRS12 selection actions

Use these internal paths to move from overview to model comparison, datasheet review and RFQ submission.

Download model datasheetReview ratings, package drawing and ordering detailsRequest engineering quoteSend load, voltage, quantity and validation requirementsCompare all modelsBrowse the complete model index and related seriesView MRS Reed Switches familyReturn to category guide, comparison and representative modelsFamily catalog PDFOpen the product-family catalog for broader selection

Download MRS12 Datasheet Request quote for this model Compare all models

English engineering resources

Datasheet, catalog and RFQ support

Download the original source datasheet when available; otherwise use the checked generated English datasheet, family catalog, or RFQ path.

Download English Datasheet Family Catalog Complete Catalog Request Engineering Quote

Original source PDFs are preferred when available. Generated English PDFs are used only when no original source PDF is found; final ratings, drawings and application suitability are confirmed by RFQ.

Description

MRS12 Reed Proximity Switch for engineering selection. A (NO, Form A) / C (CO, Form C) contact. 200 V / AC 260/DC 200 V / AC 300/DC 350 V / 175 V switching. 10 W / 10 (HV) W / 50 W / 5 W rating. Values are organized from the professional datasheet for engineering pre-selection. Confirm final switching load, insulation and footprint before order.

SeriesMRS
Withstand0.25 kV
Coil
ContactA (NO, Form A) / C (CO, Form C)
Download PDF DatasheetRequest Engineering RFQ

Technical specifications

Contact Form A (NO, Form A) / C (CO, Form C)
Max Contact Rating 10 W / 10 (HV) W / 50 W / 5 W
Max Switch Voltage (Max DC/Peak AC) 200 V / AC 260/DC 200 V / AC 300/DC 350 V / 175 V
Max Switch Current (Max DC/Peak AC) 0.5 A / AC 0.3/DC 0.4 A / AC 0.5/DC 0.7 A / 0.25 A
Max Carry Current 1.0 A / 1.4 A / 2.5 A / 1.5 A
Breakdown Voltage 250 VDC / 400 VDC / 600 VDC / 400 VDC
Vibration (10～50Hz) 30 G / 30 G / 30 G / 30 G
Shock 30 G / 30 G / 30 G / 30 G
Operating Temperature -30℃～+80℃ / -40℃～+80℃ / -30℃～+80℃ / -30℃～+80℃
Storage Temperature -40℃～+85℃ / -40℃～+85℃ / -40℃～+85℃ / -40℃～+85℃

Selection notes

  • Separate switching voltage from dielectric/breakdown withstand voltage.
  • Check contact form, coil drive and PCB/package outline before design-in.
  • For HRM modules, confirm terminal wiring and panel/cabinet installation requirements.

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