Product Overview
The Bently Nevada 3300/14-01-20-02 DC Power Supply Module delivers stable and regulated DC power to up to 12 monitoring channels and their associated transducers in a 3300 rack system.
It installs in the left-most rack position (slot 1) and supports both 20–34 Vdc and 90–140 Vdc primary inputs.
Moreover, built-in over-voltage and under-voltage protection circuits safeguard the module and connected equipment from irregular input conditions.
When the input returns to acceptable limits, the module automatically resumes normal operation, ensuring continuous system reliability.
Functional Highlights
- Dual Input Flexibility: Accepts either low-voltage (20–34 Vdc) or high-voltage (90–140 Vdc) DC input.
- Enhanced Safety: Includes reverse polarity protection and fuse protection against input surges exceeding 140% of the rated limit.
- Configurable Output: Provides user-selectable transducer power output of –24 Vdc or –18 Vdc, via internal jumpers.
- Durable Design: Hermetically sealed SPDT OK relay supports up to 5 A at 28 Vdc, ensuring long contact life.
- Reliable Operation: Tested for Class 1, Division 2 hazardous environments, meeting CE and CSA/NRTL/C certifications.
In addition, the unit offers easy maintenance access and quick replacement, reducing system downtime and improving uptime reliability.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 3300/14-01-20-02 |
| Input Voltage Options | 20–34 Vdc or 90–140 Vdc |
| Input Current (max) | 5.5 A @ 20–34 Vdc / 1.5 A @ 90–140 Vdc |
| Fuse Rating | 8 A (low voltage) / 2 A (high voltage) |
| Output Voltage (programmable) | –24 Vdc ±1.3% / –18 Vdc ±1.6% |
| Relay Type | SPDT, hermetically sealed |
| Contact Rating | 5 A @ 28 Vdc / 3 A @ 220 Vac |
| Operation Mode | Normally energized |
| Operating Temperature | 0°C to +65°C (+32°F to +150°F) |
| Storage Temperature | –40°C to +85°C (–40°F to +185°F) |
| Relative Humidity | 95%, non-condensing |
| Certifications | CE, CSA/NRTL/C (Class 1, Div 2, Groups A–D, T4 @ 65°C) |
| Rack Position | Slot 1 (left-most) |
| Weight | 2 kg (4.4 lbs) |
Furthermore, the 3300/14-01-20-02 can easily integrate with 3300/03, 3300/05, and other compatible modules, supporting flexible rack configurations for various monitoring requirements.
System Integration
This power supply module is engineered for Bently Nevada 3300 Series monitoring racks, powering transducers and sensors that track machinery vibration, temperature, and rotor position.
For instance, it is commonly deployed in turbomachinery systems, compressors, and gas turbines, where precise, uninterrupted power delivery is critical.
Therefore, users benefit from consistent performance in predictive maintenance and condition monitoring applications.
Details
| Weight | 2 kg |
|---|---|
| Dimensions | 132 × 838 × 521 mm |
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