Overview
Configured for regulated DC power distribution in the Bently Nevada 3300 Monitoring System, the Bently Nevada 3300/12 (3300/12 Power Supply Module) provides direct electrical conversion and supply execution for rack-based machinery monitoring hardware. The module accepts 95/125 VAC input at 50/60 Hz and delivers 28 VDC output with a 5 A capacity.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 3300/12 |
| Brand | Bently Nevada |
| Origin | USA |
| Product Type | Power Supply Module |
| System Series | Bently Nevada 3300 Monitoring System |
| Input Voltage | 95/125 VAC |
| Input Frequency | 50/60 Hz |
| Output Voltage | 28 VDC |
| Output Current Capacity | 5 A |
| Weight | 3 lbs (1.28 kg) |
| Dimensions | 5 x 30.2 x 20.3 cm (shipping size) |
| Status | Discontinued by manufacturer |
Gap Voltage Validation and Machinery Monitoring Power Interface
The Bently Nevada 3300/12 Power Supply Module provides the electrical power source required by 3300 rack monitoring modules. Therefore, stable DC output supports the operation of vibration monitors, position monitors, and Keyphasor signal processing modules installed in the same rack.
The module does not process eddy-current probe signals directly; however, it supplies the rack environment where probe scaling, gap voltage validation, and rotor dynamics monitoring functions are performed by dedicated monitoring cards. The power architecture supports continuous machinery protection applications by maintaining regulated supply conditions for measurement electronics.
Frequently Asked Questions
Q: What input power does the Bently Nevada 3300/12 accept?
A: The 3300/12 accepts 95/125 VAC input power with a 50/60 Hz frequency range.
Q: What output capability does the 3300/12 provide for the 3300 rack system?
A: The module provides 28 VDC output with a 5 A capacity for powering compatible 3300 system modules.
Q: Can the 3300/12 be installed as a replacement for all 3300 power supply versions?
A: Replacement compatibility depends on the rack configuration, module requirements, and existing power supply specifications. Verify the installed system configuration before replacement.
Field Installation Guidelines
Install the Bently Nevada 3300/12 module in the designated power supply position of the 3300 rack assembly. Confirm that the rack backplane connections are clean and properly aligned before insertion.
Use wiring practices suitable for industrial AC power circuits. Separate AC input wiring from low-level vibration measurement signal wiring to reduce electrical interference. Maintain proper grounding between the rack enclosure, power supply module, and system protective earth connection.
Before energizing the rack, verify input voltage level, frequency compatibility, and cable termination conditions. Check that connected monitoring modules receive the expected DC supply before placing the machinery monitoring system into service.
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