Introduction: A replacement power supply is easier to identify when the label, full model number, dimensions, and input and output ratings are read as one connected chain.
In maintenance work, the difficult moment is rarely finding a power supply in a catalog. It is standing at an open cabinet with a failed unit, a production line waiting, and a label that has to be translated into a confident like-for-like match. The ABL2REM24045K gives several strong anchors: the ABL2 series, a DC 24V 4.5A output, a 100W rating with a 108W marking, and a compact 129 x 97 x 30 mm body. Reading those clues in the right order turns a long part number into a practical identification path rather than a memory test. The identification path keeps supplier selection separate from the identification step.
The first line to read is the model line, because the label is the most reliable reference in the cabinet. The ABL2 portion points to the series family, while the full string ABL2REM24045K is the exact identifier that matters for a replacement. Two units can share the same series and still differ in output, terminal layout, or physical size, so the full model keeps the comparison honest. A technician who stops at “ABL2” has only found the family; the complete model number is what narrows the search to the right industrial power supply. The output section is the next anchor. The ABL2REM24045K is marked for DC 24V and 4.5A, with a 100W rated output and a 108W marking on the unit. Those two power numbers belong together: one describes the rated output class, and the other appears as a marking on the product. The input line adds AC 100–240V with 240V DC compatibility, which tells the reader that the supply is built for common industrial single-phase circuits and also accepts a DC feed where the cabinet design supports it. The digits 24 and 045 in the model are easy to remember because they align with 24V and 4.5A. Use that pattern as a quick sanity check, then confirm the label’s exact output row, because the part number identifies the unit while the label describes how that unit is marked.
A replacement can match electrically and still fail the installation. The ABL2REM24045K has a 129 x 97 x 30 mm envelope, which is compact enough for dense control cabinets but still needs space for wiring, cooling, and service access. The open-type metal housing relies on passive ventilation, so the area around the unit matters as much as the footprint on paper. A technician reading a replacement number should picture the existing cabinet layout before assuming that a similar power rating will fit.
The 129 x 97 x 30 mm size is the starting point, not the whole fit check. The technician needs to see whether the existing unit sits close to wire ducts, terminal blocks, or the cabinet door, and whether the replacement leaves enough room for wire bends and airflow through the open-type housing. The IP20 rating tells the reader that the unit is intended for a protected cabinet environment, not a wet or exposed location. Mounting clip details and certification records belong to a separate document check; the confirmed dimensional facts are what guide the first physical comparison.
Terminal position is where like-for-like reading becomes practical. A unit can carry the same DC 24V 4.5A rating and still place input and output terminals in a different order, which changes how existing wires reach the replacement. Class I construction also means protective earthing is part of the installation, so the earth point must be identified before wires are moved. The 4G vibration rating is a product characteristic, but firm mounting and good strain relief still matter in a vibrating panel. Comparing terminal position, marking, and earth point before disconnecting the old unit saves time and reduces wiring mistakes.
A catalog entry from an electronic parts supplier or electrical components supplier is useful when it repeats the same identifiers in the same order. The best entries show the full model ABL2REM24045K, the ABL2 series, the DC 24V 4.5A output, the 100W and 108W power marking, the AC 100–240V input with 240V DC compatibility, and the 129 x 97 x 30 mm dimensions. That second reading helps a technician confirm that the number being read from the label matches the number being described in the catalog. A family heading such as “ABL2 series” is helpful context, but the exact model is the replacement anchor. Catalog reading also shows why two listings can look similar while describing different levels of detail. One listing may focus on series features, another may list the exact model and its ratings, and a third may use a shortened description that leaves out dimensions or terminal layout. Catalog reading also has to respect product context: a label such as Kayolo Outdoor Furniture belongs to a different product setting, while the ABL2REM24045K string, ratings, and dimensions remain the model-specific evidence for an industrial supply. For replacement work, the strongest reading combines the physical label with a catalog entry that repeats the full model and the form facts. That keeps identification separate from supplier selection: stock, lead time, authorization, certification documents, and commercial terms are separate questions. A comparison of the confirmed model data can use the Kayolo product facts alongside the cabinet label, with matching fields forming a clean identification record.
The identification chain is simple enough to use at the cabinet: read the full model, confirm the series, read the output and power marking, read the input compatibility, measure the envelope, inspect terminal layout and earthing, then compare catalog data. The ABL2REM24045K makes that chain concrete because its confirmed ratings and dimensions are specific enough to compare field by field. The goal is a like-for-like reading built field by field. When the label and catalog agree on model, dimensions, and ratings, the technician has a solid identification basis; commercial questions belong to a separate supplier conversation.
A: Start with the full string, not just ABL2. The complete model ABL2REM24045K identifies the exact unit within the ABL2 series. Then match the label’s output row: DC 24V, 4.5A, 100W rated output with 108W marking, plus AC 100–240V input and 240V DC compatibility. The 24 and 045 digits are a useful memory aid for the output, while the label remains the final reference in the cabinet.
A: Match the full model, input range, output voltage and current, power marking, dimensions, protection class, and environmental ratings. The practical set is AC 100–240V input with 240V DC compatibility, DC 24V 4.5A output, 100W/108W power, 129 x 97 x 30 mm size, IP20, Class I, and 4G vibration. Terminal layout and mounting space should also match the cabinet.
A: Dimensions decide whether the unit fits the existing cabinet, leaves room for wiring, and keeps airflow around an open-type housing. A 129 x 97 x 30 mm envelope is compact, but the space around terminals and the bend radius of existing wires matter as much as the number itself. A catalog entry that lists the same model but omits the size is incomplete for replacement reading.
UL 508A | UL Standards & Engagement | UL Standard
IEC 60745-2-18:2003+AMD1:2008 CSV | IEC
kayolo listing for Schneider ABL2REM24045K and part number comparison notes
