Description
Bently Nevada 3300/12-02-22-00 AC Power Supply Module
Configured for direct electrical power conversion in Bently Nevada 3300 Rack System, the Bently Nevada 3300/12-02-22-00 (3300/12 AC Power Supply Module) provides direct physical/electrical execution. The module converts 175 to 250 VAC input into regulated DC backplane voltages for rack-level monitor and transducer supply distribution.
Suffix Breakdown & Model Matrix
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3300/12: AC Power Supply Module
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-02: 220 VAC input range option (175 to 250 VAC, 45 to 65 Hz)
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-22: Agency approval package (CSA/NRTL/C, CE/ATEX variants depending on build)
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-00: Standard factory configuration, no modifications
Hardware Specifications
| Parameter |
Specification |
| Model |
3300/12-02-22-00 |
| Brand |
Bently Nevada |
| Origin |
USA |
| Weight |
1.41 kg |
| Dimensions |
Not specified |
| OperatingTemp |
0 degC to 65 degC |
| PowerConsumption |
210 VA max |
| Input Voltage |
175 to 250 VAC |
| Input Frequency |
45 to 65 Hz |
| Output Rails |
+24 VDC, -24 VDC, +5 VDC (rack backplane distribution) |
Eddy-Current Probe Scaling and Backplane Voltage Validation
The module participates in rack-level power integrity control where regulated DC rails support signal conditioning paths for proximity probe channels. In Bently Nevada 3300 architectures, eddy-current probe scaling is dependent on stable excitation and return signal referencing, where backplane voltage drift directly affects gap voltage validation thresholds (typically referenced against -10 VDC calibration targets at monitor input stages). Cross-talk suppression between adjacent monitor modules is indirectly maintained through low-ripple DC distribution and controlled grounding of the rack chassis reference plane. The power supply output impedance profile defines transient response behavior during channel load switching events.
Frequently Asked Questions
Q: Can the module be hot-swapped while the 3300 rack is energized?
A: The module is not designed for live insertion under load conditions. Removal under power may introduce backplane voltage collapse and transient reset across connected monitor modules.
Q: What is the backplane current limitation behavior under full load?
A: Output rails are internally regulated, but total rack consumption must remain within the 210 VA input envelope. Overload results in undervoltage detection and Not OK LED assertion.
Q: Does the module support redundancy configuration within the rack?
A: The 3300/12 architecture does not implement parallel redundant power supply sharing. Redundancy is achieved at system level, not module-level load sharing.
Field Installation Guidelines
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Install only in the leftmost power supply slot of the 3300 rack backplane.
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Ensure AC input wiring is isolated from signal cabling to reduce electromagnetic coupling.
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Verify chassis grounding integrity prior to energizing the rack.
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Confirm fuse integrity before insertion into powered systems.
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Maintain minimum clearance for airflow across rack-mounted modules.
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Do not bend or stress backplane connector pins during insertion.
