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    Quote

    Fast Track to a Quote

    Max 128 characters
    • APT Switch LA39-A1-20YS/A
    • APT Switch LA39-A1-20YS/A
    • APT Switch LA39-A1-20YS/A
    • APT Switch LA39-A1-20YS/A
    1/4

    • Certification | Testing
      Factory Certified

    • Refund guarantee
      24h refund guarantee

    • Secure Payment
      PayPal Verified

    Brand New

    APT Switch LA39-A1-20YS/A

    16 inquiries last 6 mos.
    Price on Inquiry
    Inquire for stock availability

    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.

    Contact resistance Hard silver contact≤50mΩ (new value) Power frequency withstand voltage AC 1890V 50Hz · 1min Mechanical endurance 3 million times for normal button, mushroom button and illuminated button, 100,000 times for latching button, 300,000 times for selector, 50,000 times for key switch and emergency stop button Electrical endurance ≥600,000 times Action frequency: 1,200 times/hour Conventional thermal current Ith 10A Rated insulation voltage Ui 660V Working temperature Ambient temperature -25℃ ~+55℃ Average temperature in 24h not over +35℃ Working humidity ≤90% RH, the relative humidity is not over 50% when the temperature exceeds 40℃

    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 financial protections do I have if the shipped goods do not match the ordered part numbers or technical specifications?

      A: OKmarts operates under a strict Order Accuracy Guarantee. If the part numbers delivered do not match your approved Proforma Invoice or Purchase Order due to our fulfillment error, we will issue a full refund or expedite a replacement shipment immediately, covering all return international freight charges.

    • Q: How does OKmarts ensure data privacy and cybersecurity regarding our corporate blueprints and proprietary purchase data?

      A: We protect your data using enterprise-grade SSL encryption and secure cloud architectures. Any technical blueprints, system designs, or proprietary engineering files uploaded to our servers for customization or compatibility analysis are treated under strict confidentiality protocols and non-disclosure standards.

    • Q: Does OKmarts maintain a historical record of my purchases for future asset management or auditing?

      A: Yes. Your corporate dashboard retains a permanent, secure repository of all past transactions, technical specifications, commercial invoices, and warranty dates. This allows your maintenance, repair, and operations (MRO) teams to instantly pull historical records for equipment auditing or one-click reordering of consumable parts.

    LA39-A1-20YS/A
    High Efficiency
    Stable Performance
    Long Service Life
    Explore More APT Switch

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    Q&A

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    • 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.

    • Q: Do you offer live chat support for immediate assistance?

      A: Yes, we provide live chat support for immediate assistance. You can access the live chat feature on our website, and our customer support team will be available to help you with any questions or concerns in real time.

    • Q: Do you support cross-border shopping and overseas delivery?

      A: Absolutely! We support cross-border shopping and offer international delivery services to many countries. No matter where you are, you can enjoy our products and services.


    Customer reviews

    5.0
    Based on 1 reviews
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    • Mar 09, 2022

      Anonymous user
      All was ok! No problems whatsoever.
      Helpful?
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