Description
Product Overview
Power-supply faults in a machinery protection rack can affect multiple monitoring channels at once, making correct replacement selection important for plant availability. The Bently Nevada 3500/15E 164949-01 is identified with the 3500 Encore Machinery Protection System, where the power supply converts incoming electrical power into the internal supplies required by compatible rack modules. This equipment supports machinery condition monitoring and protection applications involving rotating assets such as turbines, compressors, pumps, and generators. The exact input-voltage option associated with part number 164949-01 should be checked against its nameplate and the corresponding power-input module before connection.
Within the 3500 Encore architecture, the power supply occupies a designated rack position and supports the system’s electronic monitoring modules. The Encore documentation describes AC and DC supply configurations, with the appropriate power-input hardware required for each arrangement. Its front-panel Supply OK indicator provides a basic status indication; it does not replace verification of rack health, field-signal integrity, or the operation of individual monitoring channels. For maintenance engineers, this distinction is important because a rack power fault and a channel-specific monitoring fault require different diagnostic steps.
For a replacement project, confirm the complete part number, supply type, rack family, and associated power-input module before installation. A similar-looking Bently Nevada power supply may belong to the standard 3500 platform rather than 3500 Encore, and the documented power-input hardware is not universally interchangeable across those families. Preserve the original wiring and equipment records, inspect connectors, and follow the applicable shutdown and commissioning procedure. If the unit is offered as new surplus, confirm its physical condition and testing status separately; a surplus designation alone does not establish factory sealing or verified operation.
Product Introduction (Non-Templated)
When a rack loses power, vibration and position monitoring may be interrupted across several channels at once. The Bently Nevada 3500/15E 164949-01 is a rack power supply associated with the 3500 Encore machinery protection platform, rather than a vibration-input module itself.
For a legacy system repair, verify the input-voltage configuration and matching power-input module before installation. Choosing the correct supply assembly helps avoid incompatible hardware and unnecessary downtime; actual recovery time depends on the rack condition and commissioning requirements.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Bently Nevada |
| Model | 3500/15E |
| Part Number | 164949-01 |
| Product Type | Rack power supply module |
| System Family | 3500 Encore Machinery Protection System |
| Primary Function | Converts input power for compatible rack electronics |
| Input Power Type | AC or DC configuration depends on the specific supply and associated input hardware |
| Input Voltage | Verify from the exact module nameplate and applicable documentation |
| Output | Internal power rails for compatible monitoring modules; exact output ratings require the applicable specification |
| Status Indicator | Front-panel Supply OK LED |
| Installation | Designated power-supply slot in a compatible 3500 Encore rack |
| Redundancy | Depends on the supported rack configuration and installed supply arrangement |
| Operating Temperature | Confirm against the applicable 3500/15E documentation |
| Compatibility | 3500 Encore system; do not assume compatibility with standard 3500/15 hardware |
| Condition | New surplus subject to inspection and stock confirmation |
The 3500/15E operation and maintenance documentation describes the supply’s monitoring function, power-input module requirements, and configuration considerations. Exact electrical ratings for part number 164949-01 should be established from its matching documentation rather than inferred from the product family alone.
350015E 164949-01
Related Products
These components are relevant to 3500 Series and 3500 Encore maintenance. They have different functions or hardware requirements and are not all direct replacements for the 3500/15E.
1. Bently Nevada 3500/15 — The standard 3500 Series AC/DC power supply. It performs a similar rack-power function, but its hardware and power-input modules differ from those of the Encore platform.
2. Bently Nevada 3500/10E — An Encore power-supply family referenced in the Encore documentation. Confirm the specific supply configuration and rack requirements before considering it for a maintenance project.
3. Bently Nevada 3500/23E — An Encore system-monitor module. It serves a monitoring role rather than supplying rack power, making it relevant when troubleshooting system status or monitoring faults.
4. Bently Nevada 3500/33E — An Encore 16-channel relay module used for relay-based outputs. It provides a different function from the power supply and may be relevant when investigating alarm or relay-output problems.
5. Bently Nevada 3500/42E — An Encore vibration-monitoring module. It processes vibration-related measurements and is not a substitute for the rack power supply.
6. Bently Nevada 3500/45E — An Encore position-monitoring module for applicable position measurement and monitoring tasks. Its role differs from rack power conversion.
7. Bently Nevada 3500/50E — An Encore tachometer module used for rotational-speed measurement. It belongs to the same broader machinery-monitoring system but performs a signal-measurement function.
8. Bently Nevada 3500/15E AC/DC Power Input Module — The associated power-input hardware must match the selected supply configuration. Verify the exact input module part number and revision; an AC input module cannot simply be assumed suitable for a DC supply, or vice versa.
Frequently Asked Questions (FAQ)
1. What does the Bently Nevada 3500/15E 164949-01 do?
It supplies internal power to compatible modules in a 3500 Encore machinery protection rack. The rack uses monitoring modules to evaluate machinery condition, while the power supply provides the electrical power those modules need to operate. It does not directly measure vibration, shaft position, or rotational speed.
2. Can I replace a standard 3500/15 with a 3500/15E?
Not on the basis of function alone. The 3500/15 belongs to the standard 3500 platform, whereas the 3500/15E is associated with 3500 Encore. The corresponding power-input modules and rack arrangements must be checked against the installed system documentation.
3. How do I confirm the input voltage for part number 164949-01?
Use the exact module nameplate and the matching technical documentation. The 3500 Encore power-supply family includes different AC and DC arrangements, so the model designation alone is insufficient to establish the correct supply voltage.
Before energizing the unit:
- Verify the complete part number and hardware revision.
- Identify the installed power-input module.
- Confirm the permitted input voltage and frequency, where applicable.
- Check the wiring against the approved rack documentation.
Do not connect the module based on a supplier description that only says “AC/DC power supply.”
4. Can I hot-swap the 3500/15E while the machinery protection rack is running?
Do not assume live replacement is permitted for your installation. Rack redundancy, the actual power arrangement, and the applicable Encore operating procedure determine whether power can be maintained during removal.
Before attempting replacement, establish whether a second compatible supply is installed and operating, confirm the manufacturer’s instructions, and assess the consequences of losing monitoring or protection functions. Redundancy should be verified, not presumed.
5. How can I tell whether the power supply or another rack module has failed?
Start with the rack’s status indications and the power supply’s front-panel Supply OK LED. The Encore documentation identifies this LED as an indication of the supply’s internal operating status.
If the supply indication is abnormal, inspect the input source, associated power-input module, and connections according to the service procedure. If the supply indication is normal but individual channels report faults, investigate the relevant monitoring modules and field wiring instead of automatically replacing the power supply.
6. Will replacing the 3500/15E erase my machinery-monitoring configuration?
Do not assume that the rack configuration will be lost or preserved solely because the power supply is being replaced. Configuration storage and rack behavior depend on the system architecture and the components involved.
Record existing rack status, alarm conditions, and configuration information before maintenance. Follow the approved replacement procedure and verify rack health, monitoring-channel status, alarms, and protection-system availability after power is restored.
7. What should I request when buying a new-surplus 3500/15E 164949-01?
Ask for the actual unit’s label photographs, full part number, revision details, physical-condition report, and available test documentation. Confirm the supply configuration and compatibility with the installed Encore rack before purchase.
New surplus does not automatically mean factory sealed, electrically tested, or covered by a manufacturer’s warranty. Request written warranty terms and confirmation of which functions were actually tested. For machinery protection service, a visual inspection alone is not proof of correct electrical operation.
