Siemens SIDAC-S 4AV2102-2EB00-0A Power Supply 24V DC 1A 115/230V AC Used Spare

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Siemens SIDAC‑S 4AV2102-2EB00-0A linear DIN rail power supply providing 24 V DC at up to 1 A from 115/230 V AC input. Unit is in good working used condition and includes the original metal DIN rail mounting base; see photos/label for full specifications.

Item details

• Brand: Siemens

• Series: SIDAC‑S

• Model: 4AV2102-2EB00-0A

• Type: Linear DIN rail power supply / rectifier unit

• AC input: 115 V AC or 230 V AC, 50/60 Hz, single phase (selectable wiring, see terminal diagram)

• DC output: 24 V DC, 1 A nominal (24 W)

• Protection class: Class 105 insulation, ambient temperature up to 40 °C (label “amb. 40 °C, class 105”)

• Standards/approvals: CE and cRUus markings, EN 61131‑2, EN 61558 referenced on label

• Connections: Plug‑in terminal blocks for primary (L, N, L1) and secondary DC output (terminals 31/32, +/− 24 V DC) per front wiring diagram

• Indicators: Green “Power on” LED on front panel

• Mounting: Supplied on metal DIN rail foot / clip shown in photos, suitable for 35 mm DIN rail

• Country/Region of manufacture: Czech Republic (marked “Made in Czech Republic”)

• See photos/label and datasheet for full wiring options, derating curves and dimensions.

Condition

• Used, in good working condition.

• Cosmetic wear from prior use: scratches on plastic cover, light oxidation and dust on metal frame, and some marks on the transformer and PCB (see photos).

• Terminal blocks intact; one side plastic cover has a chipped section but terminals remain fully usable (see close‑up photos).

• No original packaging, documentation or additional accessories included.

Notes

• Non‑stabilized linear design with integrated transformer and rectifier; well suited for relay coils, contactors and general 24 V DC control loads where tight regulation is not critical.

• Rated for 24 W continuous output with 100% duty cycle at specified ambient; consult datasheet for permissible overload and temperature derating.

• Buyer should confirm input wiring (115 V vs 230 V) and terminal allocation using the printed diagram before energizing.

• Professional installation is recommended; sold as a used industrial power supply.