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    Quote

    Fast Track to a Quote

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    • APEM Switch 638H
    • APEM Switch 638H
    • APEM Switch 638H
    • APEM Switch 638H
    1/4

    • Certification | Testing
      Factory Certified

    • Refund guarantee
      24h refund guarantee

    • Secure Payment
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    Brand New
    In Stock

    APEM Switch 638H

    20 inquiries last 6 mos.
    US $ 10 .77 / ea
    Registered Members Enjoy Exclusive Discounts
    Join Now >
    Quantity
    29
    MOQ : 29

    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.

    Torque: 1.50 Nm (1.10 Ft.lb) max. applied to nut
    Panel thickness: 4.5 mm (.177) max. between 2 nuts
    Operating temperature : -20 °C to +55 °C (-20 °F to 131 °F)
    Peak current: 30 A max. during 1/2 sine, 250 VAC
    Initial contact resistance: 10 mΩ max.
    Insulation resistance: 1,000 MΩ min. at 500 VDC
    Dielectric strength:
    2,000 Vrms 50 Hz min. between terminals
    2,500 Vrms 50 Hz min. between terminals and frame
    Electrical life: 10,000 cycles at full load

    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: Does the OKmarts platform support Bill of Materials (BOM) uploading for rapid mass quoting?

      A: Yes. Procurement teams do not need to search for individual parts manually. You can upload an Excel/CSV file containing your complete Bill of Materials (BOM) with part numbers, quantities, and brands. Our automated processing engine, backed by data engineers, will generate a comprehensive consolidated quote within 24 hours.

    • 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: What quality certificates or compliance documentation can be provided with the shipment?

      A: Upon request, we provide standard manufacturer compliance documentation, including Certificates of Conformance (CoC), factory inspection reports, and CE/RoHS certification data sheets to ensure alignment with international regulatory and safety standards.

    638H
    High Efficiency
    Stable Performance
    Long Service Life
    Explore More APEM Switch

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    Q&A

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    • Q: Is there a price protection policy for goods?

      A: We cannot offer a refund if the price of your purchase decreases. However, within a certain period of time, we can provide you with a certain amount of discount coupons as compensation.

    • Q: How can I cancel or modify an order?

      A: If you need to cancel or modify an order, please contact our customer service team as soon as possible. We will do our best to meet your needs and provide assistance based on the order status and feasibility.

    • Q: Is it possible to view detailed descriptions and material information of the products?

      A: Yes, each product has a detailed description and material specifications. You can find relevant information on the product details page to help you gain a comprehensive understanding of the product.


    Customer reviews

    4.6
    Based on 5 reviews
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    • Jul 30, 2025

      Tayyab Mohammad
      I'm thankful for your expertise.
      Helpful?
      (3)
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    • Jun 14, 2024

      Lisa Staggs
      El sitio web fue bien organizado, fácil y claro...entrega rápida
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