BENTLY 106M1081-01 Power Supply Module for Critical Machinery Monitoring
You’ll find this module keeping watch in turbine control rooms and compressor stations where vibration monitoring can’t afford downtime. It’s the workhorse power supply for BENTLY Nevada’s 3500 machinery protection systems, not actually a PLC – common mix-up since it slots into the same rack. Handles everything from steam turbines to centrifugal compressors, making sure those proximitor probes stay live when you need them most.
| Brand | BENTLY Nevada (Baker Hughes) |
| Function | Dual redundant power supply for 3500 Series racks |
| Input Range | 85-264 VAC, 47-63 Hz (auto-ranging) |
| Output | +24 VDC @ 5A per channel (dual independent outputs) |
| Dimensions | 1.97″ H × 7.09″ W × 10.24″ D (50 × 180 × 260 mm) |
| Weight | 2.2 lbs (1.0 kg) |
Where You’ll Actually See It Working
Last month a refinery in Texas called me frantic – their 3500 rack kept rebooting during pump startups. Turned out they’d installed old 3300-series power supplies that couldn’t handle voltage sags. Swapped in the 106M1081-01 and it’s been rock solid since. This module’s our go-to for 3500/42M, 3500/22M, and 3500/32M configurations where dual redundancy matters. Saw one keep a paper mill compressor online through three lightning storms last winter – the maintenance guy actually sent me a thank-you note, which never happens.
Why It Holds Up When Others Fail
Honestly, the magic’s in how it handles brownouts – most power supplies choke below 85VAC but this one dips to 78V before blinking. That’s saved more than a few refineries from emergency shutdowns during grid fluctuations. The dual isolated outputs mean if one channel fries (like when a tech accidentally shorted probes at that LNG plant), the rack stays powered. Compatibility’s straightforward too: slots right into any 3500 chassis alongside 3500/44M monitor cards or 3500/25 keyphasers. No firmware headaches – just plug in and watch those vibration readings stabilize. Personally, I’ve seen these run 15+ years in chemical plants with just annual dusting. Not bad for something that costs less than a weekend shift overtime.
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