Technical Specifications

• Product Model: 3500/33，Part No: 149986‑01
• Brand: Bently Nevada (Baker Hughes)
• Warranty: One Year
• System: 3500 TSI machinery monitoring rack
• Power: Powered by 3500 rack backplane; typical power consumption 5.8 W
• Relay Channels: 16 independent SPDT (Form‑C) relay outputs; each has Common / NO / NC contactsSaul Elect…
• Contact Rating: 5 A @250 V AC；5 A @30 V DC；epoxy‑sealed relay, built‑in arc suppressor
• Channel grouping: 4 groups ×4‑channels; each group selectable Normally‑Energized (NE) / Normally‑De‑energized (ND) via hardware switch
• Response Time: <10 ms relay action
• Operating Temperature: ‑10 °C ~ +65 °C; 5‑95 %RH non‑condensing
• Storage Temperature: ‑40 °C ~ +85 °C
• Protection Class: IP20 full‑height rack slot module; hot‑swap supported
• Indicators: Transmit / Receive bus LED; per‑channel CH‑Alarm LED status
• Mechanical: 241 mm × 24.4 mm × 242 mm; weight approx. 0.70 kg
• Back‑plane: Communicates with 3500 rack controller over internal backplane bus
• 

Product Overview

Important notes:

1. Hot‑swap capable; can insert/remove while rack powered.
2. Does not measure any sensor signals; only performs relay logic output.
3. Works with rear terminal I/O assembly for field wiring termination.

Application Scenarios

• Steam‑turbine / gas‑turbine TSI cabinet: Vibration, thrust, temperature alarm & turbine trip hard‑contact output.
• Centrifugal‑compressor machinery‑protection system: Interlock signal to ESD, PLC and safety logic.
• Power‑plant turbo‑generator monitoring racks.
• Oil‑gas rotating‑equipment safety‑monitoring.
• Retrofit & spare‑part replacement for existing 3500‑series installations.