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The 3500/15 (125840-01) is a highly versatile AC power supply module designed for the Bently Nevada 3500 Machinery Protection System. Engineered to deliver regulated DC power to the 3500 rack, it ensures continuous...
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The 3500/15 (125840-01) is a highly versatile AC power supply module designed for the Bently Nevada 3500 Machinery Protection System. Engineered to deliver regulated DC power to the 3500 rack, it ensures continuous operation of critical monitoring and safety systems. The module supports both high and low AC input ranges and integrates seamlessly into the half-height 3500 series architecture, offering flexibility and reliability for demanding industrial environments.
| Parameter | Specification |
|---|---|
| Model Number | 3500/15 |
| Part Number | 125840-01 |
| Manufacturer | Bently Nevada (Baker Hughes) |
| Rack Compatibility | 3500 Series (Half-height module) |
| Input Voltage (High) | 175–264 VAC RMS |
| Input Voltage (Low) | 85–132 VAC RMS |
| Frequency | 47–63 Hz |
| Output Power | Typically 100 W (up to 500 W for specific variants) |
| Operating Temperature | -30°C to +65°C (-22°F to +150°F) |
| Weight | 1.7 kg |
Dual-Redundant Power Support: Can operate in a redundant configuration to maintain continuous system power if one supply fails.
Hot-Swappable: Modules can be replaced without powering down the rack, minimizing downtime in critical applications.
Wide AC Input Range: Supports both low and high AC voltage sources, making it suitable for diverse industrial power environments.
Rack Integration: Occupies the leftmost slot(s) of the 3500 rack for optimal system configuration and redundancy.
Continuous protection of rotating machinery via the 3500 monitoring system
Powering critical safety and diagnostic modules in turbines, compressors, and industrial pumps
Industrial environments requiring flexible AC input support and zero-downtime operation
Does the 125840-01 support hot-swapping?
Yes. In a redundant configuration, a faulty module can be replaced while the system remains powered by the secondary module.
Is the 125840-01 compatible with DC inputs?
This module is primarily designed for AC input. Versions within the 3500/15 series may support specific DC ranges; verify the front-panel labeling for confirmation.
What happens if the input frequency is outside 47–63 Hz?
Operating outside the specified frequency may cause unstable voltage regulation or trigger internal fault alarms, potentially activating the "System OK" relay on the rack interface module.
