Sourcing Industrial Parts? Just OKmarts!
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    Quote

    Fast Track to a Quote

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    • SUNX Sensor FX-311
    • SUNX Sensor FX-311
    • SUNX Sensor FX-311
    • SUNX Sensor FX-311
    1/4

    • Certification | Testing
      Factory Certified

    • Refund guarantee
      24h refund guarantee

    • Secure Payment
      PayPal Verified

    Brand New
    In Stock

    SUNX Sensor FX-311

    26 inquiries last 6 mos.
    US $ 138 .00 / ea
    Registered Members Enjoy Exclusive Discounts
    Join Now >
    Quantity
    3
    MOQ : 3

    Payment Methods

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    Need a Same-Day Quote?

    Send your PO or PDF list directly to our specialists now

    Need help confirming model compatibility?

    Get fast and efficient assistance from our experienced technical sales and customer service teams. No question is too small, and no problem is too big.
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    • 100% Original
      Genuine OEM Parts

    • Fast Delivery
      Shipped via FedEx / DHL / UPS

    • 12-Month Warranty
      Worry-Free Coverage

    • Secure Packaging
      Safe & Reliable

    • 5,000+ Global Suppliers
      Trusted by Professionals

    Professional Model-Matching System

    Send us your model numbers or nameplate details.
    We will match your request with our 5,000+ verified suppliers and issue a quotation.


    Supply Voltage: 12 to 24 V DC
    Output: NPN

    Why Global Buyers Choose O&Kmarts

    O&Kmarts:
    • Access to a wide range of SKUs across multiple brands and series
    • One RFQ connects you to 5,000+ global supplier quotes
    • Better availability for urgent and hard-to-find parts
    • Faster global delivery via FedEx / DHL / UPS
    • Easier access to rare and high-value models
    • Flexible sourcing for individual parts or complete solutions
    • Lower MOQs and more adaptable buying options
    • Multi-brand procurement in one order
    • OEM replacement and alternative model solutions available
    • Fewer intermediaries, ensuring more competitive pricing

    Why Global Buyers Choose O&Kmarts

    Local Suppliers:
    • Limited to fast-moving SKUs only
    • Limited local market availability
    • Inventory frequently fails to meet urgent demand
    • Long replenishment cycles, often taking weeks
    • Rarely stock high-value compressors (e.g. Copeland YHV119)
    • Frequently require bundled purchases
    • Rigid and difficult MOQ negotiations
    • Limited brand selection
    • Minimal or no customization capability
    • Higher local distribution and markup costs

    Top Questions from OKmarts Buyers

    • Q: What express logistics options are available for urgent "Factory-Down" emergency repairs?

      A: We partner with premier global express couriers, including DHL, FedEx, and UPS, to provide expedited international air freight. Urgent orders are processed with priority handling at our warehouses to ensure the shortest possible transit time to your facility.

    • Q: Can OKmarts issue formalized, compliant proforma invoices and commercial invoices tailored for corporate accounting?

      A: Absolutely. Our automated billing system generates itemized Proforma Invoices (PI) and Commercial Invoices containing corporate tax IDs, purchase order (PO) numbers, and explicit company details necessary to satisfy international corporate accounting and auditing standards.

    • Q: How can a first-time international buyer verify that OKmarts is a legitimate entity and not a fraudulent website?

      A: OKmarts operates under a legally registered corporate entity with verifiable business registration records, global tax compliance IDs, and physical warehouse infrastructure. We can provide corporate bank references, Dunn & Bradstreet (D-U-N-S) numbers, and customer references from established industrial firms in your region to validate our commercial legitimacy before you transfer funds.

    FX-311
    High Efficiency
    Stable Performance
    Long Service Life
    Explore More SUNX Sensor

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    Q&A

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    • Q: Can I get additional discounts for bulk purchases?

      A: Absolutely! We offer special discounts for bulk purchases. The more you buy, the more you save. Please contact our sales team or check our website for more information on bulk pricing and discounts.

    • Q: Is there a replacement or compensation policy for damaged goods?

      A: Yes, we have a comprehensive replacement and compensation policy for damaged goods. If you receive a damaged product, please contact our customer service team immediately, and we will arrange for a replacement or appropriate compensation.

    • Q: How can I check the manufacturing or origin of a product?

      A: We strive to provide accurate product information, including the place of manufacture or origin. In most cases, you can find relevant information on the product details page or ask our customer service, and refer to any explanations on the product label or description.


    Customer reviews

    4.8
    Based on 5 reviews
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    • Feb 19, 2026

      Eric Galgay
      I felt so happy and fulfilled.
      Helpful?
      (0)
      (0)

    • Nov 26, 2025

      Adrian Veres
      Their prices were unbeatable and delivery was lightning fast.
      Helpful?
      (6)
      (0)
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