Honeywell 10303/1/1 Power Supply Module – Redundant PSU for TDC 3000 / TotalPlant Series
Imagine a refinery’s distributed control system losing stable DC power mid-operation: field instruments go blind, control loops open, and emergency shutdowns cascade across the plant. The power supply module is the silent backbone of every DCS cabinet — when it fails, the entire automation architecture fails with it. The Honeywell 10303/1/1 is engineered precisely to prevent that scenario, delivering clean, regulated DC power with redundancy support to keep mission-critical processes running without interruption.
Within Honeywell’s legendary TDC 3000 / TotalPlant control platform — one of the most widely deployed DCS architectures in global petrochemical, refining, and power generation facilities — the 10303/1/1 occupies a foundational role. It is the certified power backbone for Local Control Network (LCN) and Process Manager (PM) cabinets, trusted by plant engineers across North America, the Middle East, and Asia-Pacific for its long-term reliability and drop-in compatibility with legacy TDC 3000 infrastructure.
Technical Specifications
| Part Number | 10303/1/1 |
| Manufacturer | Honeywell Process Solutions |
| Series | TDC 3000 / TotalPlant |
| Module Type | Power Supply Module (PSU) |
| Output Voltage | 24 VDC (regulated) |
| Input Voltage | 85–264 VAC, 47–63 Hz (universal input) |
| Redundancy | Supports N+1 redundant configuration |
| Form Factor | Card/module, rack-mountable |
| Operating Temperature | 0°C to 60°C |
| Weight | Approx. 200 g |
| Compliance | CE, UL listed (per Honeywell TDC 3000 platform certification) |
Note: Specifications are based on Honeywell TDC 3000 platform documentation. Confirm with official datasheet for your specific revision.
Key Features & Benefits
- Redundant Power Architecture: Supports hot-standby N+1 redundancy — a second PSU takes over instantly on primary failure, with zero process interruption.
- Universal AC Input: Wide-range input (85–264 VAC) accommodates global facility power standards without additional transformers.
- Regulated 24 VDC Output: Tight voltage regulation protects sensitive I/O cards, communication modules, and field transmitters from power transients.
- Drop-in Replacement: Direct form-fit-function replacement for existing TDC 3000 cabinets — no firmware changes, no rewiring.
- Long Service Life: Designed for 24/7 continuous operation in industrial environments; proven in plants with 15+ year operational histories.
- Compact Card Format: Rack-mountable card design minimizes cabinet footprint while maximizing power density.
Industry & Equipment Applications
- Oil & Gas Refining: Powers LCN/PM cabinets controlling distillation columns, heat exchangers, and compressor trains.
- Petrochemical Plants: Sustains DCS power for reactor control, feed/product blending, and safety interlock systems.
- Power Generation: Provides stable DCS power for boiler management, turbine control, and load dispatch systems.
- Pulp & Paper: Supports continuous process control for digester, bleaching, and paper machine automation.
- Pharmaceutical Manufacturing: Maintains validated DCS power integrity for batch reactors and clean-room HVAC control.
- Water & Wastewater Treatment: Ensures uninterrupted power for pump station and treatment process controllers.
System Integration & Compatible Parts
The 10303/1/1 is designed for seamless integration within the Honeywell TDC 3000 / TotalPlant ecosystem. Commonly paired components include:
- Honeywell LCN (Local Control Network) Interface Modules
- Honeywell Process Manager (PM) I/O Cards
- Honeywell Universal Control Network (UCN) Modules
- Honeywell History Module (HM) and Application Module (AM)
- TDC 3000 Cabinet Backplanes and Card Cages
Contact our technical team to verify compatibility with your specific cabinet revision and firmware version before ordering.
Our Quality Assurance Process
- Visual Inspection: Every unit is inspected for physical damage, corrosion, and component integrity upon receipt.
- Functional Power-On Test: Output voltage, ripple, and load regulation are verified against OEM specifications.
- Redundancy Switchover Test: Where applicable, failover behavior is validated in a simulated redundant configuration.
- Traceability: Serial numbers and test records are logged for full supply chain traceability.
- Secure Packaging: Anti-static packaging with moisture barrier and shock-absorbing foam for international shipping.
How to Order
- Submit your inquiry via the Contact / RFQ form on this page.
- Provide your plant name, required quantity, and any revision/date code preferences.
- Our team responds within 24 business hours with availability, lead time, and a formal quotation.
- Upon PO confirmation, we arrange secure export packaging and your preferred freight method (DHL / FedEx / sea freight).
Why Choose Konmask.com?
- Specialized DCS Inventory: We focus exclusively on industrial automation and process control components — not a general electronics distributor.
- Global Export Experience: Serving clients in 40+ countries with compliant export documentation (CO, packing list, commercial invoice).
- Technical Pre-Sales Support: Our engineers can advise on compatibility, revision differences, and system integration before you commit to a purchase.
- Competitive Lead Times: Extensive network of verified suppliers enables faster sourcing than OEM channels for legacy parts.
- Transparent Sourcing: We disclose part condition (new surplus, refurbished, or used-tested) clearly on every quotation.
Frequently Asked Questions
Q: Is the Honeywell 10303/1/1 still in production?
A: The TDC 3000 platform is in a mature/legacy phase. New production availability is limited; however, quality surplus and refurbished units are available through specialized distributors like Konmask.com. Contact us for current stock status.
Q: Can this PSU be used in a non-redundant single-supply configuration?
A: Yes. The 10303/1/1 operates as a standalone power supply. Redundancy is optional and requires a second unit plus the appropriate backplane support.
Q: What is the difference between 10303/1/1 and similar Honeywell PSU part numbers?
A: Honeywell uses suffix variants to denote output voltage, current rating, or revision level. Please share your cabinet documentation or existing PSU label with our team so we can confirm the correct replacement.
Q: Do you provide a warranty?
A: Yes. We offer a standard 90-day functional warranty on all tested units. Extended warranty options are available — please inquire at the time of quotation.
Q: Can you ship to the Middle East / Southeast Asia / Europe?
A: Absolutely. We ship globally with full export documentation. DHL Express and sea freight options are available depending on order size and urgency.
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