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        • Lifecycle status

          Active / Available from OEM
          Apter Power supports GTB6-N4212 sourcing and exact part-number confirmation before shipment.

        GTB6-N4212

        / 4.9
        1001 reviews ｜ Need a Specific Revision?
        SICK GTB6-N4212 is a G6 photoelectric proximity sensor with background suppression, visible red light, NPN output and an M8 4-pin connector.
        In Stock
        Ships by Wednesday, October 28
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        Warranty Policy
        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        Return Notice
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
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        Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
        Parts Availability
        Apter Power offers a wide range of components, products and services related to industrial automation. We also supply new products from a variety of quality manufacturers.
        How to order
        We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online. If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.

        Technical specifications for GTB6-N4212

        • Manufacturer:
          SICK
        • Part Number:
          GTB6-N4212
        • Product Family:
          SICK
        • Product Type:
          Photoelectric Proximity Sensor with Background Suppression
        • Stock:
          1
        • Sensing Principle:
          Photoelectric proximity sensor with background suppression
        • Sensing Range:
          5 to 250 mm
        • Light Source:
          Visible red LED
        • Output:
          NPN
        • Connection:
          M8 male connector, 4-pin
        • Supply Voltage:
          10 to 30 VDC
        • Enclosure Rating:
          IP67
        • Ambient Temperature:
          -25 to 55 °C
        • OEM Part Number:
          1052443
        • Weight:
          0.02 kg
        • Estimated shipping dimensions:
          1.2 x 3.15 x 2.1 cm
        • Tariff Code:
          Please confirm the destination before shipping
        • 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 Optical Setup Mounting Detection Recovery Product Applications

        Features:

        • Background suppression: The optical design separates a selected foreground target from more distant surfaces.
        • Compact housing: The G6 form supports constrained machine locations with a defined M8 interface.
        • NPN switching: The output is intended for compatible sinking-input control circuits.
        GTB6-N4212 is used where a part must be detected without the fixed machine background becoming the switching target.

        Target color, gloss and angle can change the optical margin even when mechanical distance remains unchanged.

        Acceptance therefore challenges the worst approved part and background conditions at normal machine speed.

        Apter Power can help confirm the SICK GTB6-N4212 Photoelectric Proximity Sensor, part number 1052443, NPN interface, connector and sensing geometry before quotation.
        SICK GTB6-N4212 Photoelectric Proximity Sensor with Background Suppression 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.
        • Target envelope: Prove the smallest and darkest approved parts at their normal position limits.
        • Background margin: Test the real background separately after the target is removed.
        • Reflection control: Adjust angle or shielding when gloss produces unstable switching.
        • Alignment record: Mark the accepted bracket position before production release.
        • Bracket rigidity: Prevent vibration or impact from changing the optical axis.
        • Connector route: Keep the M8 cable free from tension and repeated sharp bending.
        • Lens access: Allow cleaning without moving the sensor or bracket.
        • Electrical match: Verify NPN input behavior before connecting machine power.
        • False detection: Compare background distance, reflections and mounting movement before replacing the sensor.
        • Missed part: Inspect contamination and target presentation with the normal product mix.
        • Intermittent output: Separate optical, connector and controller-input causes.
        • Restart proof: Run repeated good-part and empty-station cycles under guarded conditions.
        • Part presence: Confirms a component at a fixed work position.
        • Conveyor tracking: Detects opaque products against a more distant machine structure.
        • Assembly verification: Supplies a discrete input for component-placement checks.
        • Packaging machines: Monitors repeatable objects where background suppression improves separation.
        Description
        GTB6-N4212 detects nearby objects while suppressing a more distant background, giving machine builders a compact photoelectric switching point with an NPN output and M8 connection.

        The background-suppression behavior of GTB6-N4212 still depends on target reflectivity, sensing geometry and a stable mounting position. Commissioning therefore uses representative good parts, missing-part conditions and the real background.

        For replacement work, GTB6-N4212 should be matched by complete model and SICK part number 1052443. Final release confirms connector pinout, switching logic, alignment and safe machine response rather than LED indication alone.
        Alternative Names
        GTB6N4212 1052443
        Technical notes
        GTB6-N4212 is an NPN photoelectric sensor; confirm the controller input type and M8 pinout before wiring. Lock out hazardous motion while aligning it, then prove the near target, absent target and background separately. Stop commissioning if reflections, transparent material, mounting movement or cable damage cause an ambiguous switching state.
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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.
        VIEW ALL FAQS
        Why can GTB6-N4212 detect the machine frame after the product is removed?
        The background may be inside the usable suppression margin or reflecting strongly. Re-establish the target and background geometry, then prove both states before changing controller logic.
        Can GTB6-N4212 be connected to a PLC input wired for PNP sensors?
        Not as a direct match. GTB6-N4212 has an NPN output, so confirm the input circuit and common arrangement before energizing the replacement.
        How should a technician align GTB6-N4212 on a mixed-color product line?
        Use the smallest, darkest and most reflective approved parts, then challenge the empty background. Keep the final setting only when every required condition switches consistently.
        What should maintenance inspect when GTB6-N4212 works after cleaning but fails again?
        Check the contamination source, lens access, bracket movement and cable strain. Correct the recurring environmental or mechanical cause before replacing another sensor.
        Can GTB6-N4212 be accepted from its indicator LED alone?
        No. The controller input and machine response must change correctly for target-present, target-absent and background-only conditions under guarded operation.
        What should be recorded when ordering GTB6-N4212 for a shutdown?
        Provide exact model, SICK part number 1052443, cable connector, target distance, output type and the symptom observed so the replacement can be checked before dispatch.

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