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    Quote

    Fast Track to a Quote

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    • APEM Switch 639H
    • APEM Switch 639H
    • APEM Switch 639H
    • APEM Switch 639H
    1/4

    • Certification | Testing
      Factory Certified

    • Refund guarantee
      24h refund guarantee

    • Secure Payment
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    Brand New
    In Stock

    APEM Switch 639H

    28 inquiries last 6 mos.
    US $ 46 .15 / ea
    Registered Members Enjoy Exclusive Discounts
    Join Now >
    Quantity
    7
    MOQ : 7

    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: 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: 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 should I do if the specific part number is obsolete or discontinued by the manufacturer?

      A: Our technical engineering team specializes in obsolescence management. If a part is lifecycle-discontinued, we utilize our cross-reference database to recommend exact drop-in replacements or functionally equivalent alternatives, ensuring minimal redesign for your machinery.

    639H
    High Efficiency
    Stable Performance
    Long Service Life
    Explore More APEM Switch

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    Q&A

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    • Q: Do you offer gift wrapping services?

      A: Yes, we offer gift wrapping services for selected products. During the checkout process, you may have the option to add gift wrapping to your order. Additional fees may apply.

    • Q: How can I provide suggestions for improving your services?

      A: We value your feedback and suggestions for improving our services. You can provide suggestions by contacting our customer service team or using the feedback form on our website. We appreciate your input and strive to enhance our offerings based on customer suggestions.

    • Q: Can I get a refund if the price of a product drops shortly after my purchase?

      A: Unfortunately, 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, ensuring your satisfaction. Our prices may vary due to promotions and market conditions, among other factors. We recommend making your purchase based on the current price at the time of purchase.


    Customer reviews

    4.4
    Based on 5 reviews
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    • Apr 08, 2026

      Gary Bryan
      The order was delivered right on time, no issues at all.
      Helpful?
      (0)
      (0)

    • Nov 29, 2025

      Guest
      Easy to do business with, Thanks....
      Helpful?
      (7)
      (0)
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