Product Details
The Bently Nevada 3300/14-02-20-00, also cataloged as the 3300/14 Power Supply Module, operates as a dedicated hardware component for primary rack power conversion and regulated excitation distribution within 3300 Series Monitoring System racks.
Suffix Breakdown & Model Matrix
| Option Field | Code | Configuration Detail |
|---|---|---|
| Power Supply Type | 02 | High Voltage DC (90 to 140 VDC) |
| Monitoring Rack Type | 20 | 19-inch rack mount chassis position |
| Agency Approval | 00 | Standard unsafe area / no agency approvals |
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 3300/14-02-20-00 |
| Brand | Bently Nevada |
| Origin | USA |
| Weight | 4.45 lbs (2.02 kg) |
| Dimensions | Standard 3300 Series slot 1 module size |
| Operating Temp | 0 deg C to +65 deg C |
| Power Consumption | Input dependent; delivers internal regulated DC rails |
| Input Voltage | 90 to 140 VDC |
| Output Voltage | Regulated DC (-18 VDC or -24 VDC) |
| Module Capacity | Powers up to 12 rack monitors and associated transducers |
| Circuit Protection | Reverse polarity hookup protection and integrated fuse protection |
| Mounting Position | Slot 1 (far left position) of 3300 rack chassis |
Gap Voltage Validation and Cross-Talk Suppression
The 3300/14-02-20-00 module delivers stabilized internal -18 VDC or -24 VDC rails necessary for driving Proximitor sensors and processing rotor dynamics monitoring signals across 12 adjacent channels. Maintaining clean voltage conversion directly affects eddy-current probe scaling accuracy, ensuring field measurements maintain linear response across the full vibration and axial position spectrum. By providing regulated excitation power across the backplane bus, the module maintains cross-talk suppression between adjacent channels and prevents power supply ripple from degrading gap voltage validation at nominal -10 VDC baseline targets.
Frequently Asked Questions
Q: Can the 3300/14-02-20-00 power supply module be installed in any slot of the 3300 chassis?
A: No, the module is mechanically keyed and electrically designated strictly for installation in Slot 1 of the 3300 rack.
Q: What protective measures are integrated into the primary power input circuit?
A: The input circuit includes integrated reverse polarity protection to block accidental wiring reversal, alongside fuse protection to isolate internal fault conditions.
Field Installation Guidelines
- Confirm the main input power source is de-energized and verify DC voltage levels fall within the 90 to 140 VDC range before wiring.
- Slide the 3300/14-02-20-00 module firmly into Slot 1 of the 3300 series rack until the rear backplane connectors seat completely.
- Secure the module front panel captive screws to ensure chassis electrical ground continuity.
- Connect input DC power wiring to the designated terminal block on the rear panel, observing strict signal polarity (+ and -).
- Ensure the chassis terminal stud connects to a solid earth ground conductor using low-impedance shielding practices.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.































