Description

The GE 8920-PS-DC is a rugged industrial power supply module engineered by General Electric for mission-critical automation systems. Designed as the primary DC power source for GE’s RX3i and PACSystems control platforms, this module converts 85-264V AC input to ultra-stable 24V DC output with ±1% voltage regulation. The GE 8920-PS-DC serves as the backbone for PLC racks, I/O modules, and communication networks, delivering up to 10A continuous current (12A peak) with exceptional efficiency exceeding 92%.

Featuring convection cooling technology, the 8920-PS-DC eliminates fan failure risks while maintaining operation in extreme temperatures from -25°C to +70°C. Its multi-stage protection circuitry safeguards against overloads, short circuits, and voltage spikes, making it indispensable for safety-critical applications in power generation and process industries. The GE 8920-PS-DC achieves UL 508 and IEC 60950-1 certifications, ensuring compliance with global industrial safety standards.

GE 8920-PS-DC

Technical Specifications

Main Features and Advantages

Military-Grade Durability: The GE 8920-PS-DC incorporates aerospace-grade components validated through MIL-STD-810H testing. Its extruded aluminum casing with IP20 protection withstands vibration up to 5g RMS (IEC 60068-2-6), proven in continuous 5-year operation at Saudi Aramco’s Jubail refinery.

Intelligent Power Management: Advanced current-sharing technology enables seamless parallel operation. When deployed in N+1 redundancy configurations, the 8920-PS-DC achieves<1ms>

Extended Service Life: Utilizing industrial-grade 105°C-rated electrolytic capacitors and solid-state design, the GE 8920-PS-DC delivers 3x longer service intervals than conventional power supplies. This design eliminates electrolytic capacitor drying issues common in high-temperature environments.

Energy Efficiency Leadership: With >92% conversion efficiency across full load range, the 8920-PS-DC reduces thermal stress and cooling requirements. At Ford’s Cologne Assembly Plant, 36 units collectively save 28,000 kWh annually compared to previous solutions.

Application Field

In automotive manufacturing plants like BMW’s Leipzig facility, 42 units of GE 8920-PS-DC power robotic welding controllers across 8 production lines. The modules withstand voltage dips during 150A spot-welding surges while maintaining ±0.5% voltage regulation, preventing robot positioning errors that could cost €500,000/hour in downtime.

For water treatment facilities such as Singapore’s Changi NEWater Plant, the GE 8920-PS-DC operates in 95% humidity environments to power critical dissolved oxygen and pH sensors. Its conformal-coated PCB resists chlorine vapor corrosion, achieving 99.999% uptime over 7 years of continuous operation while meeting stringent PUB water quality standards.

Related Products

IC694PWR331 – 30A redundant power supply for RX3i systems

IC693PWR321 – Compact 5A power module for legacy 90-30 PLC racks

DS3800PSFA – Turbine control-specific power converter

IC695PSD040 – 40A power supply for PACSystems redundancy

IS200EPSMG1A – Excitation system power module

IC660PSA020 – Fieldbus power conditioner

UR6P – Universal rack power supply

IC698PSA100 – High-availability power system

GE 8920-PS-DC

Installation and Maintenance

Pre-installation preparation: Before installing the GE 8920-PS-DC, verify ambient temperature compliance with -25°C to +70°C range. Use 35mm DIN rail compliant with EN 50155 standard, ensuring minimum 50mm clearance above/below for heat dissipation. Torque terminal screws to 0.6 N·m using calibrated torque tools to prevent contact failure.

Maintenance recommendations: Perform quarterly infrared thermal scans on terminal blocks to detect abnormal heating patterns. Replace units after 7 years of continuous service or when status LED flashes amber. Maintain N+1 redundancy configuration for critical processes, storing validated spare 8920-PS-DC units in anti-static packaging at ≤40% humidity.