Product Short Description
Product Overview:
The Bently Nevada 106M1081-01 is a core AC power supply module designed for the 3500 series Machinery Protection System. It converts 100–240V AC field power into stable +24V DC for internal logic and sensor bias, ensuring protection logic does not fail during grid fluctuations or momentary power interruptions.
Description
Key Features:
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Wide-Voltage Input: 100–240V AC auto-adaptive, eliminating manual voltage switching.
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Stable DC Output: Provides +24V DC main logic power and -24V DC for partial sensor biasing (configuration-dependent).
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High Efficiency: >85% efficiency with natural convection cooling.
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Comprehensive Protection: Built-in over-voltage, over-current, and over-temperature protection.
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Status Indication: AC OK (green), DC OK (green), and Fault (red) LEDs.
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Global Certifications: CE, UL, CSA, ATEX (system-level), IEC 61508 SIL 2 compliant.
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Plug-in Installation: Insertion-style mounting in the 3500 rack’s left-side dedicated power slot.
Technical Specifications:
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Parameter
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Specification
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|---|---|
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Manufacturer
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Bently Nevada (Baker Hughes)
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Part Number
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106M1081-01
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Series
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3500/15
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Input Voltage
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100–240 V AC, 47–63 Hz (wide-range auto-adaptive)
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Output Voltage
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+24 V DC (main logic), -24 V DC (sensor bias, config-dependent)
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Rated Power
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60 W (typical)
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Efficiency
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>85%
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Cooling
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Natural convection (fan-less)
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Operating Temp.
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0°C to +60°C
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Storage Temp.
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-40°C to +85°C
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Humidity
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5% to 95% (non-condensing)
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Protection Rating
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IP20 (installed inside control cabinet)
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Weight
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Approx. 0.8 kg
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Compatible Frames
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3500/05, 3500/10, 3500/20, 3500/40, 3500/60, etc.
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Working Principle:
The module accepts wide-range AC input and converts it to conditioned DC output through high-efficiency switching regulation. It features intelligent power management and diagnostics to ensure protection logic remains active during grid instabilities.
Application Scenarios:
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Critical Rotating Machinery Protection: Turbines, compressors, gas turbines in power plants and petrochemical facilities.
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Global Deployments: Wide-voltage input adapts to different regional grid standards without hardware modification.
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Safety-Critical Systems: IEC 61508 SIL 2 certified for functional safety applications.
Installation & Usage Notes:
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Insert into the 3500 rack’s left-side dedicated power slot.
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Verify frame compatibility (works with all 3500 series frames listed above).
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Monitor LED status: AC OK and DC OK should be green during normal operation; red Fault LED indicates a fault condition.
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Install inside a control cabinet to maintain IP20 protection.
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For redundant configurations, install dual modules for 1+1 hot-standby.
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