The GE / Bently Nevada 3500/15 is an AC/DC power supply module for the 3500 Series Machinery Protection System. This half-height module delivers regulated DC power to all rack components, operating as either primary or redundant supply in designated left-side slots. The system supports single or dual module configurations with hot-swap capability when redundancy is enabled, and accommodates multiple input voltage standards including legacy high/low voltage AC, universal voltage AC (47–63 Hz), and high/low voltage DC options.
## Technical Specifications
**Electrical Inputs:**
• Legacy High Voltage AC: 175 to 264 Vac rms (247 to 373 Vac peak); nominal 220 Vac
• Legacy Low Voltage AC: 85 to 132 Vac rms (120 to 188 Vac peak); nominal 110 Vac
• Universal Voltage AC: 85 to 264 Vac rms (120 to 373 Vac peak); 47 to 63 Hz
• High Voltage DC: 88 to 140 Vdc
• Low Voltage DC: 20 to 30 Vdc
**Maximum Full Rack Current Draw:**
• 175–264 Vac input: 2.3 A rms
• 85–132 Vac input: 4.5 A rms
• 88–140 Vdc input: 2.5 A
• 20–30 Vdc input: 10.0 A
**Environmental:**
• Operating Temperature: −30 °C to +65 °C
• Storage Temperature: −40 °C to +85 °C
• Humidity: 95% non-condensing
## Key Features
• Dual-module redundancy support; lower slot hosts primary, upper slot hosts backup
• Hot insertion/removal without interrupting rack operation when second supply is present
• Over-voltage protection via PIM fuse; under-voltage conditions do not damage supply or PIM
• Made in USA
## Typical Applications
Machinery protection and condition monitoring systems requiring continuous DC power to transducers, signal processors, and control modules in industrial environments with variable supply voltages.
## Compatibility & Integration
Designed for 3500 Series racks with compatibility dependent on Power Input Module (PIM) revision. Legacy AC configurations (Rev. R and earlier PIMs, Rev. M and earlier Power Supply Modules) operate within 175–250 Vac rms (high voltage) or 85–125 Vac rms (low voltage). Universal voltage modules are not backward-compatible with legacy AC components.
