Hirschmann RPS 120 EEC power-supply replacement: input, 24 V output and thermal checks
Hirschmann RPS 120 EEC is listed as a DIN-rail industrial power supply. The exact model text is preserved for enquiries and receiving checks. The shared category collage is a reference image and must not be read as a photograph of this specific configuration.
Key technical data
| Technical item | Verified value / selection note |
|---|---|
| Complete model / keyword | RPS 120 EEC |
| Product class | DIN-rail industrial power supply |
| Manufacturer item | 943662121 |
| Output | 24–28 V DC adjustable, nominal 24 V |
| Continuous current | 5–4.5 A in manufacturer data |
| Input | 100–240 V AC or 110–300 V DC per product record |
| Mounting | DIN rail |
| Final selection rule | Confirm the printed label and manufacturer order record for the installed version |
Order and acceptance checklist
For a quotation on RPS 120 EEC, provide a clear photograph of the installed label, the required quantity and the connected equipment. Identify whether the supplied item must be new, tested used stock or an approved replacement. Ask the seller to state the full designation, condition, included accessories and return terms.
Load calculation
Before selecting RPS 120 EEC, total the connected equipment load and compare continuous current at the actual site temperature. Include start-up and fault conditions rather than sizing from one switch label.
Supply isolation
Confirm the incoming voltage, protective wiring and terminal arrangement with a qualified installer. Where two supplies are paralleled or redundant, document the intended topology and test one-feed loss under the site procedure.
Commissioning record
Measure the DC output at the load, inspect the DC OK indication and check cabinet temperature. Retain the RPS 120 EEC order number and measured values for later maintenance.
Similar-looking model references
A code that resembles RPS 120 EEC may identify another interface, software level, temperature class or revision. Similar-looking names are collected for search convenience only. Confirm the exact functional and physical fit from the manufacturer's documentation before treating any alternative as interchangeable.
On receipt, compare the shipment with the RPS 120 EEC purchase description. Before commissioning, document the prior state, verify the applicable electrical or optical connections and record the functional test result. Keep the manufacturer record and any approved deviation with the asset file.
