| Short description
The buffered DC power supply of the AC C-TEC series includes ultra-capacitors as energy storage inside the housing. During normal operation this capacitor is charged from AC-mains. The connected DC consumers are supplied as well from AC mains. In case of an interruption of the AC supply, the energy of the ultra-capacitor is realesed regulated. With a dc/dc converter the load is supplied from the capacitor until it is discharged. The backup time depends on the state of charge of the capacitor and the discharge current. The power supply has the following characteristics:
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Nominal input voltage | 115 V … 230 V AC (±15%) |
Input voltage range for charging operation | 97,8 V … 264,5 V AC |
Nominal frequency | 47 Hz … 63 Hz |
Max. nominal input current | 0,84 A @ 115 V AC 0,42 A @ 230 V AC |
Max. inrush current | 30 A / 2 ms |
Nominal output current max. | 3 A DC (bei 0,94 kJ) |
Nominal output current at max. energy | 2 A DC (bei 1,0 kJ) |
Current limitation | 1,05 … 1,5 x INenn |
Nominal output voltage (in mains operation) | 24,3 V DC ±2 % |
Output voltage (in back-up operation) | 23,5 V DC ±2 % |
Energy | 1 kJ |
Max power loss ‚worst-case‘ | 12 W |
efficiency | 88% @ (Ue=230 V AC; Ua=24,3 V DC; Ia=INenn) |
Internal device protection | 2,5 A (T), 250 V |
Fuse DC-output circuit (external) | 3,15 A (T) |
Type of connection: input Ue | screw terminal max. 2,5 mm² 0,5-0,6 Nm |
Type of connection: output Ua | screw terminal max. 2,5 mm² 0,5-0,6 Nm |
Type of connection: message contact | screw terminal max. 2,5 mm² 0,5-0,6 Nm |
Max. load message contact (Ue-OK[1]) | 30 V/ 0,5 A |
Max. load message contact (Uc> NOTEREF _Ref402518157 \h \* MERGEFORMAT 1 ) | 30 V/ 0,5 A |
Protective system | IP20 u. EN 60529 |
Environmental temperature | -40 °C … 60 °C |
Storage temperature | -40 °C … 60 °C |
Rel. humidity | ≤95% condensation not permissible |
Max. mounting height (without load reduction) | 2000 above sea level |
Dimensions (H x W x D) | 152,5 mm, 72 mm, 130 mm |
weight | 0,85 Kg |
| Fixation | Snap-on mounting for DIN top hat rail or mounting bracket for mounting plate |
| UL approvals | UL 508 C22.2 |
[1] The message contacts are coupled with the LED display. The illumination of a LED effects the activation of the corresponding relay.
| Description | Version | File Format |
| Datasheet AC C-TEC 2403-1 | 200724 | |
| Quickstart AC C-TEC 2403 | 140314 | |
| Quickstart AC C-TEC 2403 + CEM 2402 | 140314 | |
| Manual | 200724 | |
| EPLAN Macro | 140703 | edz |
| 3D Model | - | STP |
