Genuine YOKOGAWA AMM42 S4 Power Supply Module | S4 Series – Verified Source
Konmask.com is a verified B2B supplier of genuine YOKOGAWA automation components. The AMM42 S4 is a dedicated power supply module designed for YOKOGAWA’s S4 series DCS architecture, delivering stable, regulated power to field control stations and I/O subsystems in demanding industrial environments. Every unit we ship is sourced through traceable channels and subjected to our in-house 4-step quality verification process before dispatch.
Technical Specifications
- Manufacturer: YOKOGAWA Electric Corporation
- Part Number / SKU: AMM42 S4
- Series: CENTUM S4 / CS3000 Compatible
- Module Type: Power Supply Module (S4 Style)
- Input Voltage: 100–240 V AC, 50/60 Hz (refer to nameplate for exact rating)
- Output: Regulated DC power for S4 field control bus
- Form Factor: Standard S4 rack-mount module
- Weight: Approx. 600 g
- Operating Temperature: 0°C to 55°C
- Compliance: CE, UL (subject to unit revision — confirm with datasheet)
- Condition: New / Surplus New / Refurbished — specify at inquiry
Note: Full datasheet available upon request. Always cross-reference with your system’s engineering drawings before installation.
Our 4-Step Quality Verification Process
Every AMM42 S4 unit shipped from Konmask.com passes through the following verification stages:
- Step 1 — Source Authentication: We verify the supply chain origin and cross-check part markings, date codes, and manufacturer labels against known-genuine references.
- Step 2 — Visual & Physical Inspection: Each module is inspected for physical damage, corrosion, counterfeit indicators, and board-level anomalies under controlled lighting.
- Step 3 — Functional Bench Test: Where applicable, units are powered up and output parameters are measured against OEM specifications using calibrated test equipment.
- Step 4 — Packaging & Documentation Review: Units are re-packaged in anti-static, moisture-barrier packaging. A condition report and traceability record accompany each shipment.
Key Features & Benefits
- ✅ Genuine YOKOGAWA part — not a third-party substitute or clone
- ✅ Drop-in replacement for existing S4 power supply slots — no re-engineering required
- ✅ Stable regulated output — protects downstream I/O modules and field instruments from power fluctuations
- ✅ Redundancy-ready — supports hot-standby configurations in high-availability DCS architectures
- ✅ Long service life — built to YOKOGAWA’s industrial-grade reliability standards
- ✅ Traceable sourcing — full supply chain documentation available for regulated industries
- ✅ Fast global dispatch — in-stock units ship within 1–3 business days
Typical Applications
- YOKOGAWA CENTUM CS3000 / S4 DCS field control station power supply replacement
- Planned maintenance and scheduled turnaround (TAR) spare parts provisioning
- Emergency breakdown replacement to minimize unplanned downtime
- Redundant power supply configuration upgrades
- Refinery, petrochemical, LNG, power generation, and pulp & paper plant automation systems
- System integrators building or expanding YOKOGAWA-based control architectures
Compatible System Components
- YOKOGAWA CENTUM CS3000 Field Control Station (FCS)
- S4 Series I/O modules and node units
- S4 rack assemblies and bus backplanes
- YOKOGAWA ESB Bus / ER Bus field network components
- Redundant power supply pairs (AMM42 + AMM42 in hot-standby)
Contact us to confirm compatibility with your specific system revision and firmware version before ordering.
Global Sourcing & Shipping Capabilities
- Stock Location: China (Mainland) — Fujian Province
- Export Compliance: We handle export documentation, commercial invoices, and packing lists compliant with international trade requirements
- Shipping Methods: DHL Express, FedEx International Priority, sea freight (LCL/FCL) for bulk orders
- Lead Time: In-stock: 1–3 business days | Special order: 7–21 business days
- Destinations Served: Asia-Pacific, Middle East, Europe, Americas, Africa
- Customs & Duties: Buyer responsible for import duties and local taxes unless otherwise agreed in writing
- Minimum Order: 1 unit (bulk pricing available for 5+ units)
Certifications & Compliance Statement
Konmask.com operates as a specialist distributor of industrial automation components. We do not manufacture or modify OEM products. All YOKOGAWA parts are sourced as genuine OEM components. Certifications (CE, UL, etc.) are those of the original manufacturer and apply to the unmodified product as shipped from YOKOGAWA. Konmask.com does not issue independent third-party certifications for individual components. For regulated industries requiring full material traceability or certificates of conformance (CoC), please contact us prior to purchase.
How to Order
- Online: Add to cart and complete checkout — we will confirm stock and lead time within 1 business day
- Email RFQ: Send your part number, quantity, and required delivery date to [email protected]
- Phone / WhatsApp: +0086 19859288691 (Mon–Fri, 09:00–18:00 CST)
- Bulk / Project Orders: Request a formal quotation with volume pricing, lead time commitment, and shipping terms
- Payment Terms: T/T (bank transfer), PayPal, and other methods available — contact us for net-term arrangements for qualified accounts
Authenticity & Trust FAQ
Q: How do I know the AMM42 S4 is genuine and not counterfeit?
A: Every unit passes our 4-step verification process (see above). We provide traceability documentation on request and welcome pre-shipment inspection arrangements for large orders.
Q: Can you provide a Certificate of Conformance (CoC)?
A: Yes, for new surplus and refurbished units we can provide an internal CoC. OEM CoC is available only for units sourced directly from authorized YOKOGAWA channels — please specify your requirement at inquiry.
Q: What is your return and warranty policy?
A: We offer a 90-day warranty against DOA (dead on arrival) and verified manufacturing defects. Units damaged due to incorrect installation or electrical faults are not covered. Contact us within 7 days of receipt for any claims.
Q: Do you accept purchase orders (POs) from companies?
A: Yes. We work with procurement teams, MRO buyers, and plant engineers. Send your PO to [email protected] and we will issue a proforma invoice within 24 hours.
Q: Is this a new or used unit?
A: Stock condition varies. Please specify your requirement (new, surplus new, or tested refurbished) when ordering. Condition is confirmed in writing before payment is processed.
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Contact: [email protected] | +0086 19859288691






