Yokogawa K9634DA-01 TCD Card Modules
Yokogawa K9634DA Series: Comprehensive Module Range and Technical Overview The Yokogawa K9634DA series TCD (Thermocouple/mV Input) cards are field-proven I/O…
Technical Dossier
The Yokogawa BARD-400A is a safety barrier module designed for intrinsically safe signal isolation in hazardous area installations. Deployed extensively in oil & gas, petrochemical, and process automation environments, this module serves as a critical interface between field instruments and control systems. As global DCS/SCADA infrastructure ages and OEM production cycles shorten, securing verified stock of the BARD-400A has become a measurable procurement risk for plant engineers and MRO managers alike.
This page is designed to give procurement managers a clear-eyed view of sourcing options, cost implications, and supply continuity strategies — not a sales pitch.
| Part Number | BARD-400A |
| Manufacturer | Yokogawa Electric Corporation |
| Series | STARDOM / FCN-RTU Safety I/O |
| Module Type | Intrinsic Safety Barrier Module |
| Application | Hazardous area signal isolation (Zone 0/1, ATEX/IECEx compatible installations) |
| Country of Origin | Japan |
| Inventory Status | Sourced stock available — lead time 3–10 business days depending on quantity and destination |
| Condition | New / Surplus New (certificate of conformance available upon request) |
| Minimum Order | 1 unit |
| Lead Time | 3–10 business days (expedited options available) |
Procurement decisions for safety barrier modules are rarely about unit price alone. The true cost of a wrong sourcing decision includes unplanned downtime, re-certification costs, and the labor burden of emergency procurement. Here is how the BARD-400A fits into a Total Cost of Ownership (TCO) framework:
Q: What are your payment terms?
A: Standard terms are 100% T/T in advance for first-time orders. For repeat customers or orders above USD 10,000, we offer 30% deposit with balance before shipment, or open account terms subject to credit review.
Q: Is the 12-month warranty transferable?
A: Yes. The warranty is tied to the unit serial number and date of shipment, not the purchasing entity. It is fully transferable to end-user facilities.
Q: Do you offer discounts for bulk orders?
A: Yes. Volume pricing tiers apply at 5, 10, and 20+ units. Contact us with your required quantity and delivery schedule for a formal quotation.
Q: What is your return policy?
A: Units that are DOA (dead on arrival) or fail within 30 days of receipt are eligible for replacement or full refund. Warranty claims between 30 days and 12 months are handled via repair or replacement at our discretion. Returns require prior RMA authorization.
Q: Can you provide a certificate of conformance or test report?
A: Yes, for new and surplus-new units. Test reports from OEM or third-party inspection are available for orders of 3+ units upon request.
Q: Do you ship to sanctioned countries or regions?
A: No. All exports are screened against applicable sanctions lists (OFAC, EU, UN). We do not ship to embargoed destinations and maintain full export compliance documentation.