TRICONEX 4201N Power Supply | Replacement, Equivalent & Selection Guide
The TRICONEX 4201N is a dedicated power supply module designed for use within the Triconex Safety Instrumented System (SIS) platform. It provides stable, redundant DC power to TMR (Triple Modular Redundancy) chassis and I/O modules, ensuring uninterrupted operation in safety-critical environments. This page serves as a comprehensive selection, replacement, and compatibility reference for engineers and procurement teams.
Technical Specifications
- Part Number: 4201N
- Manufacturer: TRICONEX (Schneider Electric)
- Module Type: Power Supply Module
- System Platform: Tricon TMR Safety System
- Input Voltage: 85–264 VAC / 120–370 VDC (wide-range universal input)
- Output Voltage: 5 VDC, ±12 VDC (regulated)
- Redundancy: Supports 1+1 redundant power supply configuration
- Hot-Swap: Yes — field-replaceable without system shutdown
- Isolation: Galvanically isolated outputs
- Operating Temperature: 0°C to +60°C
- Certifications: IEC 61508 SIL 3, CE, UL
- Weight: Approx. 2,120 g
- Form Factor: Rack-mount, Tricon chassis compatible
Compatible Replacement & Equivalent Models
The following models are commonly evaluated as replacements or functional equivalents for the TRICONEX 4201N. Always verify electrical and mechanical compatibility before substitution:
- TRICONEX 4201 — Earlier revision; same form factor, verify firmware compatibility
- TRICONEX 4210 — Enhanced power supply for Tricon v10+ chassis; direct upgrade path
- TRICONEX 4351B — Power supply for Trident platform; not directly interchangeable but functionally similar role
- Schneider Electric P0916YE — OEM-equivalent sourced through Schneider channels
- Third-party SIL 3 PSU modules — Must be validated against Tricon chassis pinout and IEC 61508 SIL 3 requirements before use
Note: Konmask.com recommends using original TRICONEX parts for SIL-rated safety loops. Third-party substitutions must be validated by a qualified functional safety engineer.
Why Choose the Original Model
- SIL 3 Certified: Factory-validated for IEC 61508 Safety Integrity Level 3 — no re-validation required
- TMR Architecture Integrity: Designed to maintain triple-redundant voting logic without introducing common-cause failures
- Hot-Swap Capability: Replace under power without process interruption — critical for continuous operations
- OEM Firmware Compatibility: Guaranteed compatibility with Triconex TriStation 1131 programming environment
- Long Service Life: Industrial-grade components rated for 10+ years in harsh environments
- Schneider Electric Support: Full OEM technical support, documentation, and spare parts availability
Typical Applications
- Oil & Gas: Emergency Shutdown (ESD) and Fire & Gas (F&G) systems
- Petrochemical: Burner Management Systems (BMS) and process safety interlocks
- Power Generation: Turbine protection and reactor safety systems
- Chemical Processing: High-integrity pressure protection systems (HIPPS)
- Offshore Platforms: Safety-critical control in hazardous area installations
- Pipeline Infrastructure: Compressor station ESD and leak detection systems
System Compatibility
- Compatible Chassis: Tricon v9, v10, v11 main chassis and expansion chassis
- Compatible Controllers: TRICONEX 3008, 3006, 3007 processor modules
- Software: TriStation 1131 v4.x and above
- Communication Modules: Compatible with TCM (Tricon Communication Module) and Himax modules
- Not Compatible With: Trident or Tri-GP platforms (different power bus architecture)
Selection Guide
Use the following criteria to confirm the 4201N is the correct power supply for your application:
- Step 1 — Identify your chassis version: Check the Tricon chassis label for v9/v10/v11 designation
- Step 2 — Confirm input power source: 4201N supports universal AC/DC input; verify your site power spec
- Step 3 — Count PSU slots: Tricon main chassis supports up to 2 PSU slots for 1+1 redundancy
- Step 4 — Check revision: 4201N (current) vs. 4201 (legacy) — confirm with your system BOM
- Step 5 — Validate SIL requirement: If your SIS loop requires SIL 3, only use IEC 61508-certified OEM parts
- Step 6 — Contact Konmask: Send your system BOM or chassis model for a free compatibility check before ordering
Quality Assurance & Sourcing
- All TRICONEX 4201N units sourced by Konmask.com undergo incoming inspection including visual, label, and functional verification
- Traceability documentation (COC, test reports) available upon request for safety-critical procurement
- Stock includes new-surplus, refurbished (tested), and factory-new units — condition clearly stated at time of quotation
- Anti-counterfeit measures: serial number verification against known OEM databases where applicable
- Packaging: ESD-safe bags, foam-lined boxes, and export-compliant labeling for international shipments
How to Order
- Online: Add to cart directly from this page — contact us for volume pricing
- Email RFQ: [email protected] — include part number, quantity, and required condition (new / refurbished)
- Phone/WhatsApp: +0086 19859288691
- Lead Time: In-stock units ship within 1–3 business days; ex-stock lead time quoted per order
- Payment: T/T (wire transfer), PayPal, and trade credit for approved accounts
- Export: We ship worldwide with full export documentation (commercial invoice, packing list, COO)
Replacement & Compatibility FAQ
Q: Can I replace a TRICONEX 4201 with a 4201N without reconfiguration?
A: In most cases yes — the 4201N is a drop-in hardware replacement for the 4201 in the same chassis slot. However, always verify with your TriStation project documentation and perform a functional test after replacement.
Q: Is the 4201N compatible with Trident systems?
A: No. The 4201N is designed exclusively for the Tricon TMR platform. Trident systems use a different power bus and require Trident-specific PSU modules.
Q: Can I run a Tricon chassis with only one 4201N installed?
A: Yes, a single 4201N can power the chassis, but redundancy is lost. For SIL 3 applications, 1+1 redundant PSU configuration is strongly recommended.
Q: Do you provide a warranty on refurbished 4201N units?
A: Yes — refurbished units carry a 12-month warranty covering functional defects. New-surplus units carry a 6-month warranty. Terms available on request.
Q: How do I verify authenticity of a TRICONEX 4201N?
A: Check the OEM label for correct part number, revision marking, and Schneider Electric branding. Konmask.com provides COC documentation and can assist with serial number verification.
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Contact: [email protected] | +0086 19859288691
