Yes. A network panel retrofit is possible when the existing control cabinet has enough internal space, available 24 VDC power and thermal headroom to support the new hardware. Adgo’s engineers evaluate panel volume, free DIN-rail length, power budget and heat rise before recommending a retrofit, sidecar expansion or new dedicated network panel.
Retrofit feasibility covers four constraints. Skipping any one of them creates a panel that runs hot, trips on inrush or fails AHJ inspection.
- Volumetric space: Switches, patch panels and cable management need clear DIN-rail and back-panel real estate plus 2 inches of service clearance.
- Power budget: A new managed switch draws 30 to 60 W; the existing 24 VDC supply must have headroom or be uprated.
- Thermal load: Added heat raises internal cabinet temperature and shortens switch and PLC lifespan. Adgo calculates heat rise against the enclosure’s NEMA rating.
- UL listing impact: A field modification to a previously UL-listed panel may void the original label unless re-evaluated under UL 508A.
- If/then: If any one constraint fails, then Adgo recommends a sidecar enclosure or a new dedicated network panel instead of forcing the retrofit.
For new-build and retrofit panel work under one UL-certified shop, contact us today.