Description
Product Introduction
The GUTOR 0P2552 is a core control and signal processing printed circuit board engineered specifically for GUTOR industrial uninterruptible power supply (UPS) systems, including the heavy-duty PEW, PDW, SDC, and WEW cabinet series. Installed directly into the internal card rack, this board handles real-time data processing, conditions analog feedback loops from voltage and current sensors, and maintains low-latency communication across the internal backplane bus.
Designed to operate reliably in high-stress, harsh industrial environments, the 0P2552 features a rugged layout protected by heavy conformal coating against humidity, atmospheric dust, and thermal cycling. Swapping a faulting or degraded 0P2552 module clears persistent backplane bus alarms, eliminates gate trigger synchronization issues, and restores full redundant system operation without replacing the entire power enclosure.
Key Technical Specifications
| Parameter | Value / Description |
| Manufacturer | GUTOR Electronic LLC (Schneider Electric) |
| Model / Part ID | 0P2552 / OP2552 |
| Compatible Systems | GUTOR PEW, PDW, SDC, and WEW Series UPS Cabinets |
| Device Type | Logic Controller / Interface Circuit Board |
| Form Factor | Rack-Slide Card-Cage Plug-In Module |
| Environmental Protection | Industrial Conformal Coating (Moisture & Dust Resistant) |
| Interfacing | High-Density Edge Connector / Ribbon Cable Headers |
| Operating Temperature | -10°C to +55°C (14°F to 131°F) |
| Storage Temperature | -25°C to +70°C (-13°F to 158°F) |
| Cooling Requirement | Cabinet Internal Forced-Air Convection |
Application Scenarios & The “Trench” Experience
It is 2:30 AM during a thunderstorm at an offshore LNG export terminal. A sudden power transient hits the facility, and the primary GUTOR industrial UPS supporting the main safety instrumented system (SIS) throws a critical internal logic communication fault. The unit transfers the critical load to static bypass, leaving process controls vulnerable to utility fluctuations. A quick check reveals thermal degradation and a failed logic comparator on the 0P2552 board inside the card cage.
- Oil & Gas Offshore Facilities – Safety System UPS Maintenance – Maintains continuous, noise-free logic processing on critical safety battery backup loops.
- Nuclear & Thermal Power Generation – Turbine Control Room Support – Replaces aging control boards in long-service-life GUTOR racks without full cabinet overhauls.
- Petrochemical Refineries – Hazardous Area DCS Backup – Prevents sudden process unit trips by stabilizing internal control feedback signals across the UPS power stack.
Field Case Study
A chemical processing plant experienced recurring, intermittent “Control Loop Out of Range” warnings on a 120kVA GUTOR PEW unit whenever ambient cabinet temperatures rose during summer peaks. Diagnostics traced the fault to aging surface-mount components on the original 0P2552 control board. Since a complete system replacement would require weeks of planned shutdown and massive capital expenditure, field engineers sourced a fully pre-tested 0P2552 replacement board. During a quick 25-minute maintenance window on static bypass, the board was replaced, jumpers were matched, and the inverter was re-synchronized—clearing all latched alarm logs permanently.

0P2552

0P2552
Transparency SOP: Quality Assurance & Testing
We do not just ship boxes; we test them on actual GUTOR-compatible power racks before they ship to your job site. Our 5-step bench verification process includes:
- Inbound Visual & Optical Inspection: Microscopic evaluation of PCB traces, solder joints, edge connector fingers, and onboard components for signs of corrosion or heat stress.
- Conformal Coating Audit: Verification that the protective industrial seal remains completely intact to shield sensitive signal paths from harsh environments.
- Static Electrical Testing: Multi-point resistance checks across power rails and gate control channels to guarantee zero internal short circuits.
- Live Rack Diagnostic Handshake: Board insertion into our bench-test setup to verify bus communication, signal processing timing, and power-up self-test completion.
- ESD-Safe Sealed Packaging: Deep cleaned, labeled with exact hardware revision numbers, and vacuum-sealed inside anti-static ESD shielding bags with custom foam boxing.
The Veteran’s Tech Trap Guide (Crucial Value-Add)
- ⚠️ Photograph DIP Switches & Jumpers First: Before pulling the failed 0P2552 card out of the rack card cage, take a crisp, high-resolution photo of every DIP switch block, jumper pin, and revision sticker. GUTOR logic boards are utilized across multiple cabinet configurations; if your replacement board’s jumper settings do not match your original unit, the system will fail to boot or throw configuration mismatch faults.
- ❗ Never Pull This Card While the DC Bus is Live: Even if the UPS is operating on static bypass, hazardous DC bus voltages remain energized on internal distribution rails. Always isolate AC input breakers, disconnect the battery bank, verify zero voltage on bus capacitors, and wear a grounded ESD wrist strap before touching the PCB.
- ⚠️ Inspect the Card Cage Guide Rails: Check for dust buildup or bent backplane pins inside the chassis before sliding the new 0P2552 board into position. Forcing a misaligned card will bend backplane pins and cause catastrophic shorts upon re-powering the cabinet.
Frequently Asked Questions (FAQ for Conversion)
Q: Is the GUTOR 0P2552 control board hot-swappable?
A: No. Pulling this logic card while the system is energized will crash the central processor, drop the inverter, and potentially cause an electrical flashover across the backplane edge connectors. Always transfer the UPS to Maintenance Bypass and completely de-energize the cabinet before board removal.
Q: How do I verify this board is compatible with my GUTOR system?
A: Check the silk-screened part number printed directly on the circuit board surface or the white barcode label stuck on the PCB edge. If it reads 0P2552 (or OP2552), this unit is a direct form, fit, and function replacement.
Q: Are these replacement units factory new or pre-owned surplus?
A: We stock a mix of New Surplus (unused factory spares) and fully reconditioned, bench-tested surplus units. Every single board—regardless of condition classification—undergoes complete physical and live electrical verification prior to shipping.
Q: What warranty coverage comes with this replacement board?
A: We back all industrial automation and UPS replacement components with a comprehensive 12-month full replacement warranty. If the 0P2552 board exhibits any operational defects or throws system fault codes within one year of purchase, we will replace it or issue a full refund.




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