Bently Nevada 3500/15 133292-01 Dual AC/DC Power Supply Module
Technical Specifications
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Input Voltage: 88–264 Vac rms, 47–63 Hz or 100–250 Vdc
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Output Voltage / Current: +24 Vdc @ 2.5 A, –24 Vdc @ 2.5 A (120 W total)
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Load Regulation: ±1 % from 0 A to 2.5 A per rail
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Ripple & Noise: <50 mV p-p, 20 MHz bandwidth
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Efficiency: 85 % typical @ 230 Vac, full load
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Hold-up Time: 20 ms @ 115 Vac, full load
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Protection: Over-current 120 % (auto-recover), over-voltage 30 Vdc (hiccup), short-circuit (fold-back), over-temp 105 °C (shutdown)
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Isolation: Input-to-output 3 kVac, input-to-earth 1.5 kVac
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Temperature Range: –40 °C to +85 °C operational, –51 °C to +105 °C storage
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Dimensions: 244 mm × 242 mm × 99 mm (H × W × D)
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Weight: 1.7 kg (3.7 lb)
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Cooling: Internal fan, temperature controlled
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Indicators: Green “AC OK”, red “Fault” LEDs on front bezel
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Connector: IEC C14 inlet, crimp fork terminals for DC output
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Agency Marks: CE, UL 508, ATEX, IECEx, CSA, TR CU, RoHS, REACH
Description
Functional Highlights
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Dual AC/DC Input: Accepts any mains from 88 Vac to 264 Vac or 100 Vdc to 250 Vdc without jumper selection.
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Hot-Swap Design: Slide-in module with captive screws; replacement <30 s while rack remains powered when redundant supply is present.
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Redundancy Ready: Two modules can be installed in parallel with automatic load-sharing and fail-over.
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Low Ripple Output: <50 mV noise ensures high-resolution vibration signals are not corrupted.
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In-rush Limiting: Soft-start circuit reduces mains disturbance when multiple racks start simultaneously.
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Thermal Management: Fan speed varies with temperature and load, extending bearing life and reducing acoustic noise.
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System Integration: Front-panel LEDs and relay contacts report status to 3500/20 Rack Interface Module for System 1 software display.
Application Scenarios
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Steam-, gas- and hydro-turbine generator vibration and thrust protection
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Centrifugal and reciprocating compressors in LNG, olefins and refinery process trains
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High-pressure boiler feed-water pumps in coal-fired and combined-cycle plants
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Large motors, fans and gearboxes in steel, pulp & paper, mining and cement mills
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Offshore platform critical drives and sub-sea pump motor monitoring
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Nuclear reactor coolant pump vibration and speed trending
Installation Notes
Insert module into left-most slot; torque captive screws to 0.8 N·m; verify output is ±24.00 V ±0.2 V before loading; bond earth terminal to rack earth bus with 2.5 mm² conductor; maintain 50 mm clearance above and below for fan cooling; operate only in environments that do not exceed IP 20 ingress protection.
Insert module into left-most slot; torque captive screws to 0.8 N·m; verify output is ±24.00 V ±0.2 V before loading; bond earth terminal to rack earth bus with 2.5 mm² conductor; maintain 50 mm clearance above and below for fan cooling; operate only in environments that do not exceed IP 20 ingress protection.
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BENTLY 3500/15 127610-01
Technical Specifications
- Power Supply Module:
- Input Voltage: 100–240 VAC, 50/60 Hz, 2 A.
- Output Voltage: 24 VDC (5.5 A max for single power supply; 7.5 A max for redundant setup).
- Power Capacity: 190–250 W (adjustable based on load).
- Operating Temperature: 0°C to 60°C (storage: -40°C to 70°C).
- Protection: Overload, short-circuit, and overvoltage protection.
- Certifications: Complies with CCC and industrial safety standards.
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