Description
- Product Model: 3500/15‑05‑05‑CN
- Brand: Bently Nevada
- Warranty: One Year
- Input Voltage: 85‑264 VAC universal AC input, 47‑63 Hz frequency range
- Operating Temperature: 0 °C to +65 °C
- Storage Temperature: ‑40 °C to +85 °C
- Response Time: < 10 ms fault detection for under‑voltage / over‑voltage events
- Protection Class: IP00 (rack‑mount internal cabinet module)
- Accuracy Class: N/A (rack power supply unit)
- Output Frequency: N/A (regulated DC backplane output)
- Rated Current Range: Max 2.8 A AC input, up to 120 W total rack power delivery
- Communication Interface: 3500 rack internal backplane bus
- Supported Protocols: 3500 proprietary rack management protocol
- Overload Capacity: Electronic over‑current, over‑voltage and short‑circuit protection
- Dimensions: 120.7 mm × 50.8 mm × 251.5 mm
Product Overview
The Bently Nevada 3500/15‑05‑05‑CN is a dual universal‑AC redundant power supply module for the 3500 machinery protection rack system. This half‑height rack‑mount unit occupies the dedicated left‑hand power slots and converts wide‑range alternating‑current mains into tightly regulated multi‑rail DC power for all monitor, interface and processor modules within the 3500 chassis. Both upper and lower power slots are populated with universal 85‑264 VAC supply circuits, supporting true hot‑swap redundancy; one active unit can sustain full‑rack load if the other unit experiences input loss or internal failure. It addresses critical field‑site risks including single‑point power failure causing total machinery protection loss, limited mains‑voltage flexibility, and lengthy system shutdowns during power‑supply replacement. Turbomachinery reliability engineers, plant control‑system technicians and SIS integrators benefit from this hardware; dual redundant architecture eliminates single‑source power vulnerability for safety‑critical turbo‑machinery monitoring, hot‑swap capability permits module exchange without tripping machine‑protection logic, and front‑panel LED status indicators deliver fast local health diagnostics. The CN designation covers regional compliance requirements for domestic industrial deployment.
Application Scenarios
- Power Plant Turbo‑Generator Protection Rack: Installed in 3500 series racks for steam and gas turbine supervision. Dual universal‑AC inputs accept facility‑standard mains voltages, and redundant power operation ensures vibration and thrust‑position protection functions remain online during one‑side mains loss or supply‑unit maintenance.
- Refinery Centrifugal‑Compressor Safety Monitoring: Deployed for critical process‑compressor 3500 monitoring cabinets. Hot‑swap functionality allows maintenance personnel to swap a defective power module while the compressor stays in normal operation, avoiding unplanned process trips triggered by power‑component failure.
- Off‑site Skid‑Mounted Rotating‑Equipment Monitoring Systems: Used for remotely‑located pump and turbo‑expander monitoring racks. Wide‑range universal AC input tolerates site‑to‑site mains‑voltage variance, removing the need for hardware re‑configuration when redeploying or retrofitting existing 3500 installations.
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