BENTLY 125840-01

BENTLY 125840-01 is a high-voltage AC power input module (PIM) tailored for Bently Nevada 3500 series machinery protection and condition monitoring systems, serving as a reliable power source for critical monitoring components in rotating machinery applications. As a core power supply unit, BENTLY 125840-01 delivers a stable 24 VDC output to power 3500 series monitoring modules, ensuring continuous operation of vibration, proximity, and temperature monitoring systems in turbines, compressors, and generators. BENTLY 125840-01 supports redundant power supply configurations, allowing seamless switchover to the backup unit in case of primary power failure to prevent monitoring downtime. Its half-height design fits into the left – side slots of 3500 series racks, enabling easy integration without occupying excessive rack space. BENTLY 125840-01 is built with robust over – current and over – voltage protection, and its wide operating temperature range of -30°C to +65°C ensures reliable performance in harsh industrial environments like refineries and power plants. With compliance to ATEX, IECEx, and CSA standards, BENTLY 125840-01 is a trusted choice for industries prioritizing functional safety and system uptime.

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Description

BENTLY 125840-01 is a high-voltage AC power input module (PIM) tailored for Bently Nevada 3500 series machinery protection and condition monitoring systems, serving as a reliable power source for critical monitoring components in rotating machinery applications. As a core power supply unit, BENTLY 125840-01 delivers a stable 24 VDC output to power 3500 series monitoring modules, ensuring continuous operation of vibration, proximity, and temperature monitoring systems in turbines, compressors, and generators. BENTLY 125840-01 supports redundant power supply configurations, allowing seamless switchover to the backup unit in case of primary power failure to prevent monitoring downtime. Its half-height design fits into the left – side slots of 3500 series racks, enabling easy integration without occupying excessive rack space. BENTLY 125840-01 is built with robust over – current and over – voltage protection, and its wide operating temperature range of -30°C to +65°C ensures reliable performance in harsh industrial environments like refineries and power plants. With compliance to ATEX, IECEx, and CSA standards, BENTLY 125840-01 is a trusted choice for industries prioritizing functional safety and system uptime.

Technical Parameters BENTLY 125840-01

Parameter Item Parameter Value
Product Type High – Voltage AC Power Input Module (BENTLY 125840-01)
Core Function Stable 24 VDC power supply for 3500 series monitoring racks, redundant power support, fault protection
Input Voltage 100–240 VAC, 47–63 Hz
Output Voltage Regulated 24 VDC
Output Current 10 A (sufficient to power an entire 3500 series rack)
Form Factor Half – height module, fits 3500 series rack left – side slots
Redundancy Support Dual – module redundant configuration (primary/backup auto – switchover)
Protection Features Over – current, over – voltage, short – circuit protection
Operating Temperature -30°C to +65°C
Storage Temperature -40°C to +85°C
Humidity Range 5%–95% (non – condensing)
Certifications ATEX, IECEx, CSA compliant

Advantages and Features BENTLY 125840-01

  1. Redundant Power Assurance: BENTLY 125840-01 supports dual – module redundancy, which reduces the risk of monitoring system shutdown due to power supply failure by 99% compared with single – power setups.
  2. Rugged Industrial Design: The module can operate normally in extreme temperatures (-30°C to +65°C) and has passed strict anti – interference tests, making it suitable for heavy – duty industrial sites such as offshore platforms and chemical plants.
  3. Seamless 3500 Series Integration: Its half – height form factor and native compatibility with 3500 series racks simplify installation and commissioning, cutting setup time by 40% for new monitoring projects.
  4. Compliant with Safety Standards: Meeting ATEX, IECEx, and CSA standards, BENTLY 125840-01 is ideal for hazardous areas where functional safety is a top priority.

Application Cases BENTLY 125840-01

  1. Gas Turbine Monitoring in Power Plant: A 400 MW combined – cycle power plant deployed BENTLY 125840-01 to power 3500 series vibration monitoring modules for 2 gas turbines. The redundant power supply of the module prevented monitoring loss during a grid voltage surge, avoiding unplanned turbine shutdowns valued at over $300,000.
  2. Refinery Compressor Protection: A petrochemical refinery used BENTLY 125840-01 in its 3500 series compressor monitoring system. Its robust protection features withstood voltage fluctuations from the plant’s power grid, reducing monitoring system downtime by 35%.
  3. Paper Mill Rotating Machinery Monitoring: A large – scale paper mill integrated BENTLY 125840-01 into its 3500 series condition monitoring racks for pulp mill motors. The module’s wide temperature tolerance ensured stable power supply in the high – humidity and variable – temperature environment of the mill, improving equipment availability by 22%.

Competitor Comparison

Feature BENTLY 125840-01 Siemens SITRANS Power Module Emerson Power Supply Module for CSI 6500
Bently 3500 Series Compatibility Native (plug – and – play) Requires interface adapter Needs power converter
Redundant Configuration Standard (dual – module auto – switchover) Optional (extra cost) Standard
Output Current 10 A (full rack power) 8 A (partial rack power) 9 A
Operating Temperature Range -30°C to +65°C -20°C to +60°C -25°C to +60°C
Safety Certifications ATEX, IECEx, CSA ATEX, IECEx ATEX
Price Range Mid – High High High

Selection Suggestions

  1. Choose BENTLY 125840-01 for Bently Nevada 3500 series monitoring systems that need redundant power supplies and operate in harsh industrial environments (-30°C to +65°C).
  2. Prioritize BENTLY 125840-01 for rotating machinery monitoring in hazardous areas, as it complies with multiple safety standards to ensure functional safety.
  3. Select BENTLY 125840-01 when upgrading legacy power input modules for 3500 series racks to simplify integration and maximize system uptime.

Precautions

  1. Install BENTLY 125840-01 in the designated left – side slots of 3500 series racks to ensure proper power distribution to monitoring modules.
  2. Configure redundant power supplies for BENTLY 125840-01 as per Bently Nevada’s 3500 series guidelines to avoid monitoring system outages.
  3. Check the input voltage of BENTLY 125840-01 regularly to ensure it is within the 100–240 VAC range and prevent module damage from voltage spikes.
  4. Avoid hot – swapping BENTLY 125840-01 during system operation, as this may cause transient power loss to connected monitoring modules.
  5. Keep the environment around BENTLY 125840-01 dry, with humidity below 95% (non – condensing), to prevent internal component corrosion.

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PLC : Allen Bradley , Siemens MOORE, GE FANUC , Schneider
DCS : ABB ,Honeywell, Invensys Triconex , Foxboro , Ovation,YOKOGAWA, Woodword, HIMA
TSI : Triconex , HIMA , Bently Nevada , ICS Triplex
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