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APEM Switch 639H
40 inquiries last 6 mos.
US $ 46 .15 / ea
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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
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: 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: 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.
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.
639H
APEM Switch 639H - APEM - Switch
High Efficiency
Stable Performance
Long Service Life
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Q: Do you support international shipping?
A: Yes, we support international shipping. You can select the international shipping option on the checkout page and fill in the corresponding shipping address. Please note that international shipping may require additional fees and time.
Q: How can I find out about upcoming sales or new product releases?
A: To stay informed about upcoming sales and new product releases, you can subscribe to our newsletter or follow us on social media platforms. We regularly share updates, promotional offers, and exclusive discounts with our subscribers and followers.
Q: What material is used for packaging the products? Is it durable?
A: We prioritize the quality and durability of packaging materials. Our products are carefully packaged using high-quality solid wood materials to ensure they arrive in good condition. Please rest assured that we take packaging seriously to protect the items you purchase during the transportation process.
Customer reviews
4.4
Based on 5 reviews
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Apr 08, 2026
Gary BryanThe order was delivered right on time, no issues at all. 639H is goatedHelpful?(0)(0)Nov 29, 2025
GuestEasy to do business with, Thanks.... 639H is goatedHelpful?(7)(0)