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The Bently Nevada 3300/10-02-02-00 Power Supply is a robust and reliable power unit for the 3300 machinery protection system. It delivers stable, regulated power for up to 36 channels, supporting continuous machine monitoring in demanding industrial environments.

Key Features

• High Reliability: Provides continuous, regulated power for up to 12 monitors and their transducers.
• Scalable System: Supports expansion to 36 channels without an additional power supply in the same rack.
• Flexible Voltage Input: Operates on 95–125 Vac or 190–250 Vac, single phase, 50/60 Hz.
• Transducer Power Options: Selectable -24 Vdc or -18 Vdc output for probe and proximity sensor compatibility.
• Integrated OK Relay: Monitors system status and provides power loss annunciation.

Electrical Specifications

• Input Voltage:
  • 95–125 Vac, 1.0 A max
  • 190–250 Vac, 0.5 A max
  • User-selectable via positive retention socket
• Inrush Current: 26 A peak or 12 Arms (one cycle at startup)
• Fuse Rating:
  • 1.5 A slow-blow (95–125 Vac)
  • 0.75 A slow-blow (190–250 Vac)
• Transducer Power Output:
  • –24 Vdc (±0%) or –18 Vdc (±0%)
  • Overload protected per channel

OK Relay Specifications

• Type: SPDT (single-pole, double-throw)
• Mounting: Power Supply Input Module
• Options: Epoxy-sealed or hermetically sealed
• Contact Ratings:
  • 5 A at 28 Vdc
  • 5 A at 120/220 Vac, 50/60 Hz (epoxy)
  • 3 A at 220 Vac, 50/60 Hz (hermetic)
• Contact Life: Minimum 10,000 operations at rated load

Environmental Ratings

• Operating Temperature: 0°C to +65°C (+32°F to +149°F)
• Storage Temperature: –40°C to +85°C (–40°F to +185°F)
• Humidity: Up to 95% non-condensing

Physical Data

• Rack Space: One position (installed in position 1, beside the System Monitor)
• Weight: 1 kg (2 lbs)

Ordering Information

• Model: 3300/10-02-02-00
• Option A (Input Voltage): 02 – 190–250 Vac, 50/60 Hz
• Option B (Relay Type): 02 – Standard Hermetic OK Relay
• Option C (Agency Approval): 00 – Pending British Approval

Applications

• Power generation machinery monitoring
• Industrial rotating equipment protection
• Critical system environments requiring clean, regulated DC supply

Details