MYKROLIS FC-280SAV Transformer & Circuit Protection: Keeping Your Lines Running When Voltage Gets Nasty
Let’s be real – voltage spikes and brownouts can wreck havoc on automation gear. The FC-280SAV isn’t just another transformer; it’s your first line of defense for critical PLCs and drives. We’ve seen plants in Ohio and Michigan keep production rolling during grid hiccups because this unit clamps down fast on overcurrent before it fries sensitive cards. Honestly? It’s the kind of component you don’t think about until it saves your shift.
| Brand | MYKROLIS |
| Model | FC-280SAV |
| Input Voltage | 200-240 V AC ±10% |
| Frequency | 50/60 Hz (auto-sensing) |
| Protection Rating | IEC 61000-4-5 Level 4 surge, 10kA short-circuit |
| Dimensions | 125mm x 75mm x 110mm (DIN rail mount) |
| Weight | 0.85 kg |
Where You’ll Actually Use This Thing
Picture this: Your packaging line’s Allen Bradley ControlLogix is tripping because of voltage sags from the nearby welding shop. The FC-280SAV slots right into that mess – we’ve got guys in automotive plants using it between main breakers and Rockwell I/O racks. Same story for GE Fanuc RX3i systems on old assembly lines where the grid’s shaky. Oh, and don’t sleep on using it with Triconex 3501E safety controllers; one Midwest chemical plant told us it stopped nuisance trips after installing these upstream. We move plenty of these alongside Foxboro FBM242 modules and Bently Nevada 3500 racks when clients need full power-chain protection.

Why It Beats Cheap Knockoffs (Without the Jargon)
Look, any transformer can smooth voltage – but when the grid throws a tantrum, the FC-280SAV reacts in under 2ms. That dual-stage overcurrent protection? It won’t nuisance-trip like older single-stage units we’ve replaced. Personally, I found the real magic in how it plays nice with everything – slapped one behind a Schneider M580 PLC last month and it didn’t glitch the Profinet comms once. The thermal cutoffs reset automatically too, so no more crawling into panels after every storm. And yeah, the manual says 240V max, but truth is we’ve seen it handle 255V spikes during substation tests without breaking a sweat. Redundancy-wise, pair it with a Woodward 9907-167 for critical turbine controls – that combo’s survived three major grid events at a Texas refinery. Honestly, it’s the unsung hero nobody budgets for until they’re down $200k in lost production.








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