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APEM Switch 644NH/2
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Genuine OEM PartsFast Delivery
Shipped via FedEx / DHL / UPS12-Month Warranty
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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
- 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
- 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: Can OKmarts assist in verifying technical compatibility before I place a high-value order?
A: Yes. Buyers can upload existing equipment nameplates, system schematics, or parameter requirements. Our applications engineers will cross-verify physical dimensions, electrical ratings, and communication protocols (e.g., Profinet, EtherCAT) before finalizing the order.
Q: Can OKmarts provide specialized industrial packaging for sea freight or long-term tropical storage?
A: Yes. For international shipping or extended warehouse storage in high-humidity regions, we offer upgraded industrial packaging options. This includes vacuum-sealed anti-static (ESD) barriers, desiccant packs, heavy-duty wooden crates, and shock-absorbent padding tailored to withstand harsh maritime transit conditions.
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Q: Is my personal information secure when shopping on your platform?
A: Absolutely! We take the security and privacy of your personal information seriously. Our platform utilizes advanced encryption and security measures to protect your data, ensuring a safe and secure shopping experience.
Q: Can I change the delivery address after placing an order?
A: If you need to change the delivery address after placing an order, please contact our customer service team as soon as possible. Depending on the order status and shipping progress, we will do our best to accommodate your request.







