Description
1. Product Title
Bently Nevada 3500/15-03-03-00 (129486-01) – Universal AC Power Supply Module
2. Product Overview
The 3500/15-03-03-00 (129486-01) , associated with the 3500/15-03-03-00 (129486-01) assembly, is a high-performance Universal AC Power Supply designed for the Bently Nevada 3500 Machinery Protection System. This module is tasked with converting a wide range of alternating current (AC) input into the precise, regulated direct current (DC) required by the vibration monitors, relay modules, and communications gateways within the rack.
The 3500/15-03-03-00 (129486-01) solves the critical industrial challenge of power reliability. In high-stakes environments like power plants and refineries, a loss of power to the protection system could lead to unmonitored machinery failure or unnecessary plant trips. By supporting redundant configurations—where two 3500/15-03-03-00 (129486-01) modules operate in parallel—the system ensures that even if one power source or supply module fails, machinery protection remains 100% active and functional.
3. Technical Specifications
- Brand: Bently Nevada
- Model: 3500/15-03-03-00 (129486-01)
- Warranty: One Year
- Condition: 100% New & Original
- Input Voltage: Universal AC (85 to 264 VAC rms)
- Input Frequency: 47 to 63 Hz
- Output Voltages: Regulated internal system voltages (+5V, +/-15V)
- Configuration (-03): Universal AC Power Supply (High or Low AC)
- Mounting Option (-03): Half-rack Power Supply (Legacy/Standard)
- Agency Approval (-00): None (General Purpose/Standard)
- Operating Temperature: -30°C to +65°C (-22°F to +149°F)
- Efficiency: Typically 85% or greater
4. Key Features & Benefits
- Universal Input Range: The 129486-01 accepts any AC voltage between 85V and 264V, eliminating the need for separate low-voltage and high-voltage supply models and simplifying spare parts inventory.
- Full Redundancy Support: The 129486-01 is designed for “hot-standby” redundancy. If a primary supply fails, the backup takes over the load instantly with zero impact on the monitoring data.
- High EMI/RFI Shielding: Engineered to meet stringent industrial standards, the module filters out electrical noise from the mains, ensuring that sensitive eddy current or seismic sensors receive clean power for accurate measurements.
5. Application Scenarios
- Steam Turbine Generator Sets: Providing the main power for the 3500 racks that monitor vibration, eccentricity, and shell expansion on critical power-gen assets.
- Petrochemical Compression Trains: Ensuring continuous power to the protection system during site power fluctuations or generator transitions in refinery environments.
- Water Treatment Facilities: Powering the monitoring systems for large intake pumps and motors where reliability is essential for municipal infrastructure.
6. Frequently Asked Questions (FAQ)
- Q: What is the primary function of the 129486-01 ?
- A: It is a Universal AC power supply that converts plant AC power into the regulated DC power needed by all other 3500 monitoring modules.
- Q: Is the 129486-01 hot-swappable?
- A: Yes, provided the rack is equipped with a second redundant power supply, the 129486-01 can be replaced while the system is live without affecting machine protection.
