GUTOR G2 4689070 -PS-86 Power Supply

Description

Product Introduction

The GUTOR G2 4689070 -PS-86 is an internal power supply unit sub-assembly engineered specifically for GUTOR G2 series heavy-duty uninterruptible power supply (UPS) cabinets. Designed to plug directly into internal rack power rails, this module converts incoming AC or auxiliary DC power into tightly regulated, low-noise DC output rails. These rails power the system’s sensitive control logic, gate drivers, and display interfaces.

Engineered to thrive under continuous operational stress in harsh power plant and oil facility environments, the G2 4689070 -PS-86 features industrial-grade filtering and transient suppression components. Replacing a faulting or degraded power supply module restores rail stability, prevents intermittent CPU resets, and resolves persistent system communication errors across the UPS backplane.

Key Technical Specifications

Application Scenarios & The “Trench” Experience

It is 3:15 AM at an oil refinery during peak summer heat. The primary 100kVA GUTOR G2 system supporting process instrumentation suddenly triggers a low internal rail fault, forcing the main inverter offline and dumping the entire critical load onto static bypass. A field diagnostic check pinpoints the culprit: the internal power supply module (G2 4689070 -PS-86) has suffered output voltage droop on its +24V control rail due to dried-out filter capacitors after 12 years of uninterrupted service.

• Petrochemical Refineries – Internal Power Distribution – Maintains stable control voltages to prevent sudden inverter trips during plant utility sags.
• Fossil Fuel & Nuclear Facilities – Control Room UPS Support – Replaces aging internal power supplies in long-service-life GUTOR cabinets without replacing the whole enclosure.
• Offshore Oil & Gas Rigs – Safety Instrument Power – Delivers clean DC power to safety shutdown system interfaces under high-humidity, high-vibration conditions.

Field Case Study

A thermal power plant experienced intermittent “Control Bus Fail” alarms whenever ambient cabinet temperatures spiked above 40°C. Technicians traced the issue to thermal drift within the original 4689070 -PS-86 power supply module. Because a total system overhaul would take weeks of capital approval and extended downtime, field engineers sourced a fully pre-tested GUTOR G2 4689070 -PS-86 replacement unit. During a brief 20-minute maintenance window on static bypass, technicians swapped the power module, verified flat DC output voltage on the test points, and re-synchronized the inverter—instantly clearing all latched alarm logs.

G2 4689070 -PS-86

G2 4689070 -PS-86

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:

1. Inbound Visual & Optical Inspection: Microscopic audit of internal capacitors, inductors, terminal blocks, and circuit traces for signs of bulging, discoloration, or heat stress.
2. Conformal Coating Check: Verification that the protective industrial seal is intact to guard against atmospheric moisture and chemical vapor penetration.
3. Static Resistance & Short Checks: Multi-point resistance checks across input stages and output voltage rails to guarantee zero internal short circuits.
4. Live Load & Thermal Bench Test: Energizing the module under dynamic electrical loads to verify voltage regulation accuracy, output ripple suppression, and thermal stability.
5. ESD-Safe Sealed Packaging: Deep cleaned, tagged with exact part numbers, and vacuum-sealed inside anti-static ESD shielding bags with custom foam boxing.

The Veteran’s Tech Trap Guide (Crucial Value-Add)

• ⚠️ Verify Output Voltage Trimpots Before Powering Up: Replacement or refurbished power supply modules can occasionally have their voltage fine-tuning pots disturbed during transit or testing. Before connecting downstream control cards, power the 4689070 -PS-86 on a test bench and verify the output rails with a calibrated digital multimeter.
• ❗ De-Energize the Cabinet Completely: Never attempt to pull or wire this power supply module while the UPS cabinet is energized. Even if the inverter is on static bypass, hazardous AC and DC voltages remain present on terminal blocks. Disconnect AC input sources, isolate the battery bank, and confirm zero voltage across internal buses.
• ⚠️ Check Terminal Block Torque Specs: Ensure all wire lead screws on the module terminal strip are torqued properly. Loose connections on low-voltage DC power rails induce electrical noise and voltage drops that cause ghost CPU reset alarms.

Frequently Asked Questions (FAQ for Conversion)

Q: Is the GUTOR G2 4689070 -PS-86 power supply hot-swappable?

A: No. Removing this auxiliary power supply while the UPS is live will instantly starve the central logic cards and driver boards of power, crashing the system and dropping the load. Always transfer the UPS to Maintenance Bypass and completely de-energize the cabinet before swapping this module.

Q: How do I verify this power supply is the correct match for my GUTOR G2 cabinet?

A: Check the part number label located on the side panel or faceplate of the power supply module. It must read “G2 4689070 -PS-86” to guarantee identical mounting footprint, pinouts, and voltage outputs.

Q: Are these units brand 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 piece—regardless of condition classification—undergoes complete physical and live electrical load testing before dispatch.

Q: What warranty comes with this GUTOR power module?

A: We back all industrial automation and UPS replacement components with a full 12-month replacement warranty. If the G2 4689070 -PS-86 module exhibits any operational defect or output voltage failure within one year of purchase, we will replace it or issue a full refund.