Genuine Yokogawa EC401-50 S3 Bus Coupler Module | CENTUM VP / CS 3000 Series – Verified Source
The Yokogawa EC401-50 S3 is a high-reliability Bus Coupler Module designed for use within Yokogawa’s CENTUM VP and CS 3000 distributed control systems. Sourced through verified industrial supply channels, every unit offered by Konmask.com undergoes rigorous multi-step inspection before dispatch — giving B2B buyers the confidence to procure with zero compromise on authenticity or performance.
Technical Specifications
- Manufacturer: Yokogawa Electric Corporation
- Part Number / SKU: EC401-50 S3
- Module Type: Bus Coupler Module
- Compatible Platform: CENTUM VP, CENTUM CS 3000
- Communication Bus: Vnet/IP (or ESB, depending on system generation)
- Form Factor: DIN-rail / rack-mount (system-integrated)
- Operating Temperature: 0°C to 55°C
- Storage Temperature: -25°C to 70°C
- Power Supply: Supplied via system backplane
- Certifications: CE, UL (subject to production batch — confirm with sales)
- Country of Origin: Japan
- Weight: Approx. 100 g (module only, excluding mounting hardware)
Note: Specifications are based on Yokogawa published datasheets. Always cross-reference with your system’s engineering documentation before installation.
Our 4-Step Quality Verification Process
Every Yokogawa EC401-50 S3 unit shipped from Konmask.com passes through the following verification protocol:
- Step 1 — Source Authentication: Units are procured exclusively from authorized distributors, OEM surplus channels, or factory-certified refurbishers. No grey-market or counterfeit sources are accepted.
- Step 2 — Physical Inspection: Each module is visually inspected for label integrity, firmware revision markings, connector condition, and housing authenticity against Yokogawa reference samples.
- Step 3 — Functional Bench Test: Where applicable, modules are powered and tested for communication handshake and basic I/O response prior to packaging.
- Step 4 — Documentation Review: Serial numbers are logged, and available traceability documents (test reports, certificates of conformance) are archived and available upon request.
Key Features & Benefits
- ✅ Genuine Yokogawa hardware — not a clone or compatible substitute
- ✅ Drop-in replacement for existing CENTUM VP / CS 3000 installations — no re-engineering required
- ✅ Reduces system downtime — fast dispatch with pre-verified stock reduces MRO lead times
- ✅ Traceability on request — serial number records and CoC documents available for regulated industries
- ✅ B2B-ready invoicing — VAT invoices, packing lists, and customs documentation provided
- ✅ Expert pre-sales support — our engineers can confirm compatibility before you commit to purchase
Typical Applications
- Oil & gas refinery DCS expansion or module replacement
- Chemical plant process control system maintenance
- Power generation facility CENTUM VP upgrades
- Pharmaceutical manufacturing automation (GMP-compliant environments)
- Pulp & paper, steel, and water treatment plant control systems
- MRO (Maintenance, Repair & Operations) spare parts inventory for Yokogawa-based plants
Compatible System Components
The EC401-50 S3 is designed to operate within the Yokogawa CENTUM ecosystem. Commonly paired components include:
- Yokogawa AFV10 / AFV30 — Field Control Units
- Yokogawa ACF11 / ACF12 — Communication Modules
- Yokogawa AIP588 — I/O Power Supply Modules
- Yokogawa ESB Bus cables and terminators
- Yokogawa HIS (Human Interface Station) workstations
Need to source multiple compatible components? Contact us for a consolidated BOM quote.
Global Sourcing & Shipping Capabilities
- Stock Location: China (Mainland) — with international forwarding partners
- Shipping Methods: DHL Express, FedEx International Priority, EMS, sea freight (for bulk orders)
- Lead Time: In-stock items typically ship within 1–3 business days of payment confirmation
- Export Documentation: Commercial invoice, packing list, certificate of origin available upon request
- Customs & HS Code: We assist with HS code classification and export licensing where required
- Served Markets: Southeast Asia, Middle East, Europe, Americas, Africa — worldwide B2B supply
Certifications & Compliance Statement
Konmask.com operates as an independent industrial parts supplier. We do not represent Yokogawa Electric Corporation as an authorized dealer unless explicitly stated for a specific transaction. All products are sold as genuine OEM hardware sourced through legitimate supply chains.
- Products comply with applicable CE / RoHS directives as manufactured by Yokogawa
- Export controlled items are handled in accordance with applicable trade regulations
- Certificates of Conformance (CoC) and test reports are available upon written request for qualifying orders
- REACH compliance documentation available for EU buyers
How to Order
- Confirm Compatibility: Share your system model and current firmware revision with our team via email or WhatsApp before ordering if unsure.
- Request a Quote: For orders of 2+ units or combined BOM purchases, contact us for volume pricing.
- Place Your Order: Add to cart and proceed to checkout, or send a purchase order to [email protected].
- Payment: We accept T/T (bank transfer), PayPal, and major credit cards. Pro-forma invoice issued upon request.
- Dispatch & Tracking: Tracking number provided within 24 hours of shipment. Estimated delivery: 3–7 business days internationally.
Authenticity & Trust FAQ
Q: How do I know this is a genuine Yokogawa module?
A: Every unit is sourced from verified channels and physically inspected. We provide serial number records and can supply a Certificate of Conformance upon request. If you receive a unit that does not match Yokogawa’s specifications, we offer a full replacement or refund.
Q: Is this a new or refurbished unit?
A: Stock condition (new, tested surplus, or refurbished) is specified in the product listing or confirmed at time of quotation. All refurbished units are functionally tested and clearly labeled.
Q: Can you provide an official Yokogawa warranty?
A: As an independent supplier, we offer our own 90-day functional warranty. OEM warranty from Yokogawa applies only to purchases through their authorized channel.
Q: Do you accept purchase orders from companies?
A: Yes. We regularly supply to engineering firms, EPCs, plant operators, and MRO procurement teams. Contact us to set up a business account.
Q: What if the part is not compatible with my system?
A: Contact us before purchase — our team will verify compatibility. If an incompatibility is discovered post-purchase due to our error, we cover return shipping and replacement.
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Original Source: https://Konmask.com
Contact: [email protected] | +0086 19859288691



