Bently Nevada 3500/15 125840-02 Low Voltage AC Power Input Module

Product Description

The 3500/15 (125840-02) is a specialized Low Voltage AC Power Input Module (PIM) designed for the Bently Nevada 3500 Machinery Protection System. This rear-mounted module serves as the primary interface for AC power entry, providing essential filtering and surge suppression before routing power to the front-facing 3500/15 power supply modules. It is engineered to maintain a stable power backbone for the entire rack, ensuring that critical monitoring modules receive consistent, noise-free energy.

While designated as a "Low Voltage" PIM, the 3500/15 (125840-02) is built to accommodate a wide operational window, specifically optimized for standard 110V AC grids while remaining resilient against voltage fluctuations. Its half-height design allows for the implementation of redundant power feeds within a single rack slot, which is vital for high-availability industrial assets where a power failure could lead to unmonitored machinery states.

Detailed Technical Specifications

The following specifications detail the electrical performance and environmental standards of the 125840-02 module:

• Manufacturer: Bently Nevada (Baker Hughes)

• Model Number: 3500/15

• Part Number: 125840-02

• Product Type: Low Voltage AC Power Input Module (PIM)

• Input Voltage Range: 85–264 V AC RMS (Nominal 110–220 V AC)

• Peak Input Voltage: Up to 373 V AC Peak

• Input Frequency: 47–63 Hz

• Power Consumption: < 1 W (Self-consumption of the PIM interface)

• Redundancy Support: Compatible with dual-redundant power supply configurations

• Communication Interface: Optional RS-485 for remote rack diagnostics

• Mounting: Rear-facing, designated power supply slots in 3500/05 rack

• Operating Temperature: -30 °C to +65 °C (-22 °F to +150 °F)

• Storage Temperature: -40 °C to +85 °C (-40 °F to +185 °F)

• Humidity: 95% Non-condensing

• Dimensions: Standard Bently Nevada half-height PIM form factor

Key Functional Features

• Voltage Stability: Efficiently handles AC input to ensure downstream monitor modules operate without rebooting during minor grid sags.

• Space-Efficient Design: The half-height footprint allows for two PIMs to be installed in a single slot area, facilitating redundant AC/AC or AC/DC source inputs.

• Diagnostic Integration: When equipped with the optional RS-485 interface, the PIM can transmit health status to the Rack Interface Module (RIM) for remote monitoring.

• Industrial Hardening: Designed to meet stringent EMI/RFI standards, preventing electrical noise from the factory floor from interfering with sensitive vibration measurements.