Overview
Configured for regulated DC power distribution in the Bently Nevada 3300 Machinery Protection System, the Bently Nevada 3300/10-02-02-00 (3300/10 System Power Supply) provides direct electrical power conversion and monitoring support for rack-mounted monitoring modules and associated proximity transducers.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | Bently Nevada 3300/10-02-02-00 |
| Brand | Bently Nevada |
| Origin | USA |
| Product Type | System Power Supply Module |
| Input Voltage | 190 to 250 VAC, single phase |
| Input Frequency | 50 to 60 Hz |
| Maximum Input Current | 0.5 A max |
| Power Consumption | Based on connected 3300 rack module load |
| Output Voltage | User-programmable -24 VDC (+0%, -2.5%) or -18 VDC (+0%, -2%) |
| System Capacity | Supports up to 12 monitoring modules and 36 monitoring channels |
| Rack Position | Slot 1, left-most rack position |
| Line Filtering | Built-in high-attenuation AC power line filter |
| Channel Protection | Individual overload protection per monitor channel |
| OK Relay Type | SPDT hermetically-sealed relay |
| OK Relay Contact Rating | 5 A at 28 VDC; 5 A at 120 VAC; 3 A at 220 VAC |
| Operating State | Normally energized |
| Contact Life | Minimum 10,000 cycles at rated load |
| Operating Temp | 0 deg C to +65 deg C |
| Storage Temp | -40 deg C to +85 deg C |
| Relative Humidity | Up to 95%, non-condensing |
| Dimensions | Approx. 130 mm x 245 mm x 70 mm |
| Weight | Approx. 1.0 kg |
Eddy-Current Probe Power Distribution and Signal Integrity
The Bently Nevada 3300/10-02-02-00 supplies regulated negative DC excitation voltage for proximity transducer circuits used in 3300 monitoring racks. Therefore, it maintains stable power conditions for eddy-current probe measurement chains and supports consistent gap voltage behavior.
The module applies internal AC line filtering to reduce conducted electrical noise from the primary power source. In addition, individual channel overload protection limits fault propagation between connected monitoring modules.
The power supply supports Bently Nevada machinery protection architectures that require stable probe scaling, gap voltage validation, and rotor dynamics measurement accuracy across vibration and position monitoring channels.
Frequently Asked Questions
Q: Can the Bently Nevada 3300/10-02-02-00 provide redundant power supply operation?
A: The 3300/10 system is designed to power a complete 3300 rack from a single supply module. The provided data does not specify a redundant power supply switching function.
Q: Where is the 3300/10-02-02-00 installed in the 3300 rack?
A: The module installs in Slot 1, which is the left-most rack position of the Bently Nevada 3300 system.
Q: What type of output voltage does this power supply provide for transducer circuits?
A: The module provides programmable -24 VDC or -18 VDC transducer excitation output with specified voltage tolerance limits.
Field Installation Guidelines
- Install the module in the designated Slot 1 position of the Bently Nevada 3300 rack before applying system power.
- Verify the incoming AC supply matches the selected 190 to 250 VAC input configuration.
- Connect protective earth grounding according to industrial control panel wiring practices.
- Route AC input wiring separately from low-level vibration and proximity probe signal cables to reduce electrical interference.
- Maintain proper cable shielding and grounding practices for connected eddy-current probe circuits.
- Inspect the OK relay wiring polarity and contact configuration before connecting external alarm circuits.
- Confirm rack power loading remains within the specified capacity of the installed monitoring modules.
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