Bently Nevada 3300/12 | AC Power Supply Module for Rack Systems

Product Description

The Bently Nevada 3300/12 AC Power Supply Module delivers stable and configurable power for transducers and monitoring modules within the 3300 rack system. Designed for high‑reliability machinery protection applications, it supports user‑programmable DC outputs and integrates overload protection to safeguard each monitoring channel.

Technical Specifications

• Model Number: 3300/12

• Manufacturer: Bently Nevada

• Type: AC Power Supply Module

• Input Power Options:

• 95–125 VAC, single‑phase, 50–60 Hz, max 1.0 A

• 190–250 VAC, single‑phase, 50–60 Hz, max 0.5 A

• Field‑selectable via soldered jumper and external fuse replacement

• Surge Current at Power‑Up:

• 26 A peak or 12 A RMS for one cycle

• Fuse Ratings:

• 1.5 A slow‑blow (95–125 VAC input)

• 0.75 A slow‑blow (190–250 VAC input)

• Output Power (Rack Transducer Supply):

• Programmable +24 VDC (+0%, –2.5%)

• Programmable –18 VDC (+1%, –2%)

• Overload protection per channel on individual monitor boards

• Warranty: 12 months standard coverage

• Origin: USA

Key Features

• Reliable Power Delivery: Provides stable AC‑to‑DC conversion for rack‑mounted monitoring modules

• Programmable Outputs: Supports user‑defined voltage settings for transducer compatibility

• Integrated Protection: Overload safeguards applied per monitoring channel

• Flexible Input Range: Operates across two selectable AC voltage ranges with field‑changeable fuse options

• Rack Integration: Designed specifically for Bently Nevada 3300 series monitoring racks

Application Scenarios

• Machinery protection systems requiring stable transducer power

• Vibration and speed monitoring racks in oil & gas, power generation, and heavy industry

• Distributed monitoring systems with configurable voltage requirements

FAQ

Q: What voltage ranges does the 3300/12 support?  A: It supports 95–125 VAC or 190–250 VAC single‑phase inputs, selectable via jumper and fuse replacement.

Q: Can the output voltage be adjusted?  A: Yes, the module allows user‑programmable outputs of +24 VDC or –18 VDC.

Q: How is overload protection implemented?  A: Each monitoring channel includes individual overload protection integrated into the circuit boards.