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D-P3DWA

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SMC D-P3DWA is a compact two-wire magnetic-field-resistant solid-state auto switch with two-color indication and a 0.5 m in-line lead.
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Technical specifications for D-P3DWA

  • Manufacturer:
    SMC
  • Part Number:
    D-P3DWA
  • Product Family:
    SMC
  • Product Type:
    Compact Magnetic-Field-Resistant Solid-State Auto Switch
  • Stock:
    1
  • Switch Type:
    Solid-state, magnetic-field-resistant
  • Mounting Form:
    A type for round grooves
  • Wiring:
    2-wire, non-polar
  • Lead Wire Length:
    0.5 m
  • Applicable Load:
    24 VDC relay or PLC input
  • Load Voltage:
    24 VDC, 20 to 28 VDC
  • Load Current:
    6 to 40 mA
  • Internal Voltage Drop:
    5 V or less
  • Leakage Current:
    1 mA or less at 24 VDC
  • Operating Time:
    40 ms or less
  • Electrical Entry:
    In-line grommet
  • Enclosure:
    IP67
  • Standards:
    CE, UL and RoHS
  • Weight:
    0.022 kg
  • Estimated shipping dimensions:
    2.9 x 1.43 x 1.1 cm
  • Tariff Code:
    Please confirm the destination before shipping
  • Country of origin:
    Japan
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Input Matching Positioning Magnetic Service Product Applications

Features:

  • Compact groove mounting: The reduced body is designed for approved actuator arrangements using the A mounting configuration.
  • Proper-range feedback: Two-color indication gives a clear target for stable position adjustment.
  • Short standard lead: The unsuffixed configuration terminates the signal locally through a 0.5 m cable.
D-P3DWA converts the piston-magnet position of an approved actuator into a two-wire DC signal for a relay or PLC input.

Its compact form and round-groove mounting identity distinguish it from the larger D-P4DW body and from legacy D-P3DW configurations.

Selection must consider the receiving circuit as well as the actuator because off-state leakage is part of the solid-state interface.

Apter Power can help confirm the SMC D-P3DWA Compact Magnetic-Field-Resistant Solid-State Auto Switch, mounting groove, input circuit and lead scope before quotation.
SMC D-P3DWA Compact Magnetic-Field-Resistant Solid-State Auto Switch Manuals,Datasheets,Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Off-state threshold: Confirm the PLC or relay releases above the switch’s worst-case leakage current.
  • On-state margin: Account for internal voltage drop when checking the available load voltage.
  • Parallel use: Add leakage contributions before placing several two-wire switches on one input.
  • No-load prohibition: Energize only after a suitable load circuit is connected.
  • Actuator suitability: Verify the cylinder or gripper is listed for the switch and has the required magnet.
  • Green-zone setting: Lock the switch in the preferred range at the actual mechanical stop.
  • Torque limit: Use the specified mounting-screw torque to avoid body or bracket damage.
  • Repeatability proof: Cycle the mechanism and observe local light and PLC input together.
  • AC welding scope: Retain the published alternating-field boundary and do not infer DC-welder immunity.
  • Adjacent actuators: Apply the specified separation or magnetic shielding where fields can interact.
  • Metal deposits: Remove chips and spatter that can change the effective detection field.
  • Cable condition: Correct pulling or repetitive bending near the body before it causes an intermittent conductor.
  • Compact clamp cylinders: Reports end position where an approved groove and magnet arrangement is available.
  • Resistance-welding tooling: Provides position sensing near supported single-phase AC welding conductors.
  • Pneumatic grippers: Detects jaw or piston position on approved SMC actuator combinations.
  • Legacy switch migration: Replaces obsolete D-P3DW family use only after circuit and mounting differences are reviewed.
Description
Compact actuator installations near supported AC welding equipment can use D-P3DWA to obtain piston-position feedback with a smaller switch body than the older D-P3DW design.

The green proper-operating indication on D-P3DWA gives a commissioning target inside the wider red detection range, helping a technician retain margin against vibration or stop-position variation.

D-P3DWA is the A configuration for round-groove applications and carries a 0.5 m standard lead. That identity must remain separate from L, Z and connector variants when ordering brackets or replacements.
Alternative Names
DP3DWA D P3DWA D/P3DWA
Technical notes
D-P3DWA has higher off-state leakage than some earlier auto switches, so a high-impedance PLC input may not release even when local indication turns off. Compare the receiving input threshold with the published leakage boundary before replacement; stop parallel-connection plans that would multiply leakage beyond the controller’s guaranteed off level.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
A controls engineer replaces an older switch with D-P3DWA and the PLC input will not turn off. What is the likely interface issue?
Compare the input off threshold with the published leakage current. The newer switch can leave enough current in a high-impedance two-wire circuit to hold the PLC state.
A mechanic finds D-P3DWA physically fits a groove on an unlisted cylinder. Is fit alone sufficient?
No. Stop and verify the actuator magnet, approved mounting method and operating range. A matching groove does not prove the magnetic relationship or stable detection position.
D-P3DWA shows green at rest but loses the signal during vibration. Which boundary should be reviewed?
Check whether the actuator stop shifts, the screw or bracket is loose, or nearby magnetic equipment changes the field. Re-establish the green zone under actual operating conditions.
A panel has several D-P3DWA switches wired in parallel. How should a false off-state be investigated?
Add the leakage contributions and compare them with the PLC input threshold, then isolate channels one at a time. Do not assume the switch nearest the fault is defective.
Purchasing is offered the L-suffix variant for an installed D-P3DWA. Does the longer lead preserve the same order identity?
No. The L suffix is a separate 3 m configuration. Confirm cable route, weight and receiving identity before approving it as an engineered variant.
A technician wants to mount D-P3DWA at the first red-light position to save adjustment time. What should stop the release?
Red can mark the edge of the operating band. Continue adjustment to the green proper range and prove repeated switching at the real actuator stop before production release.

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