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IFM · AS-Interface power supply
AC1253 is an IFM as-interface power supply (PSU-3AC/ASi-8A).
| Application | |
| Design | housing for DIN rail mounting |
|---|---|
| Electrical data | |
| Frequency AC | 47...64 [Hz] |
| Operating voltage tolerance | 15...20 [%] |
| Nominal voltage AC | 400 [V] |
| Input voltage range AC | 380...480 [V] |
| Protection class | I |
| Overvoltage protection | yes; (< 36 V) |
| Max. power-on delay time | 90 [ms] |
| Output voltage AS-i | 30.5 [V] |
| Output power (permanent) | 244 [W] |
| Output power (peak) | 256 [W] |
| Note on output power (peak) | |
| Power factor (nominal voltage 400 V AC / 50 Hz) | 0.53 |
| Power factor (nominal voltage 480 V AC / 50 Hz) | 0.52 |
| Power reserve | 5 [%] |
| Number of output circuits | 1 |
| Output current AS-i | 8 [A] |
| Max. residual ripple | 90 [mV] |
| Switch-on peak current (nominal voltage 400 V AC / 60 Hz) | 4 [A] |
| Switch-on peak current (nominal voltage 480 V AC / 50 Hz) | 4 [A] |
| Efficiency (nominal voltage 400 V AC / 60 Hz) | 92 [%] |
| Efficiency (nominal voltage 480 V AC / 50 Hz) | 92.1 [%] |
| External input protection | ≤ B-6 A / ≤ C-3 A |
| Derating | 6 (60...70 °C) [W/K] |
| Mains buffering time (nominal voltage 400 V AC / 60 Hz) | 34 [ms] |
| Mains buffering time (nominal voltage 480 V AC / 50 Hz) | 53 [ms] |
| Input current (nominal voltage 400 V AC / 60 Hz) | 0.7 [A] |
| Input current (nominal voltage 480 V AC / 50 Hz) | 0.6 [A] |
| Power loss (nominal voltage 400 V AC / 60 Hz) | 21.2 [W] |
| Power loss (nominal voltage 480 V AC / 50 Hz) | 20.9 [W] |
| Integrated data decoupling | yes |
| Back feeding protection | 35 [V] |
| Outputs | |
| Short-circuit proof | yes |
| Overload protection | yes |
| Overload performance | constant output current |
| Parallel connection of outputs possible | no |
| Series connection of outputs possible | no |
| Operating conditions | |
| Ambient temperature | -25...70 [°C] |
| Note on ambient temperature | |
| Storage temperature | -40...85 [°C] |
| Max. relative air humidity | 95; (IEC 60068-2-30) [%] |
| Protection | IP 20 |
| Pollution degree | 2; (IEC 62103: conductive soiling not permitted) |
| Tests / approvals | |
| EMC | |
| Vibration resistance | |
| Shock resistance | |
| Power Factor Correction (PFC) | met |
| AS-i classification | |
| AS-i certificate | 98401 |
| Mechanical data | |
| Weight | 950 [g] |
| Housing | rectangular |
| Type of mounting | Mounting on DIN rail; (TH35 (EN 60715)) |
| Dimensions | 130.5 x 62 x 124.3 [mm] |
| Material | steel sheet |
| Displays / operating elements | |
| Display | |
| Remarks | |
| Pack quantity | 1 pcs. |
| Electrical connection | |
| screw terminals | |
Technical data sourced from the official IFM datasheet for AC1253. Verify the nameplate of the installed unit before ordering. — IFM AC1253 official page
Standard (US & Canada, tracked courier): delivered in 5–8 business days. In-stock items are processed within 2–4 business days. USD 25 flat rate on orders under $500.00; free on orders of $500.00 and above.
Express (DHL Express / FedEx International): upgraded expedited delivery in 2–4 business days. The Express surcharge is calculated at checkout based on destination and order weight.
Non-Stock / On-Order items ship on request: dispatch time is confirmed before your order — see our Shipping Policy. Shipping charges and available services are displayed at checkout. See the Shipping Policy for details.
Every product is covered by a 12-month seller warranty provided by SHLY-PLC, effective from the date of delivery, against defects in materials and workmanship under normal use.
This warranty does not cover damage from misuse, improper installation, power surges, neglect, unauthorized repair, or normal wear and tear. See our Return Policy for warranty-claim instructions.
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