Description
The MGE DIGIT 34020874XD-8EA (also identified by the part number OP3087ET) is a dedicated Controller PCB used primarily in MGE (now part of Schneider Electric/APC) Uninterruptible Power Supply (UPS) systems. This board acts as the central intelligence for the power management unit, responsible for monitoring input power quality, managing battery charging cycles, and controlling the inverter output during power fluctuations or outages.
Technical Specifications
| Feature | Details |
| 🏗️ Brand | MGE (Schneider Electric/APC) |
| 🏷️ Model | 34020874XD-8EA / OP3087ET |
| 🌍 Origin | France / International |
| ⚡ Power Supply | Low voltage DC (derived from UPS internal supply) |
| 🔌 Connectivity | Ribbon cable headers, logic-level I/O pins |
| ⚙️ Function | UPS Logic & Power Conversion Control |
| 🎨 Color | Industrial Green (PCB) |
| 🔄 Hot-Swap | Requires full shutdown for safe replacement |
Product Features
- ✅ Real-Time Monitoring: Continuously scans the state of battery banks and utility AC input to initiate seamless switching to battery power.
- ✅ Inverter Control: Precisely manages the pulse-width modulation (PWM) signals to the output transistors, ensuring stable sine-wave power delivery.
- ✅ Diagnostic Feedback: Features onboard circuitry to detect and report faults (such as battery end-of-life or inverter saturation) to the UPS status panel.
- ✅ Hardware Reliability: Engineered with high-quality passive and active components to operate in environments where heat dissipation is critical.
- ✅ System Stability: Ensures synchronization between the UPS output and the utility grid during bypass transitions.
Recommended Related Models
- MGE Galaxy Series Control Board
- MGE Pulsar Series Power Module
- MGE Comet Series Logic PCB
- Schneider Electric UPS Battery Management Unit
- APC Smart-UPS Control Interface
- MGE Power Distribution Unit (PDU) components
- MGE Input Rectifier Bridge
- MGE Output Inverter Bridge Assembly
- MGE UPS Interface/Communication Card
- Replacement Fan Assembly for MGE UPS
Get More Information
For assistance with troubleshooting, configuration guides, or to verify if this specific board is the correct revision for your UPS maintenance, please visit our MGE DIGIT 34020874XD-8EA product page for technical support.
