Overview
J. Schneider C-TEC 1203 Capacitor buffered Power Supply, The DC-UPS of the series C-TEC includes ultra-capacitors as energy storage inside the housing. This capacitor is charged with the system voltage (Ue) during normal operation. The connected loads are supplied as well from the system voltage.
In case of an interruption of the system voltage the energy of the ultra-capacitors is released in a regulated way. With a dc dc converter, the load is supplied by the capacitor until it is discharged. The back-up time depends on the state of charge of the capacitors and on the discharge current.
The DC-UPS has the following characteristics:
- Maintenance-free because of long-life ultra-capacitors
- Microcontroller based charging and discharging of the ultra-capacitors
- Control of operation and status of charge with potential-free contacts and LED
- Ue o.k. message via potential-free relay contact
- Capacity extension possible with external capacitor extension modules (CEM)
J. Schneider C-TEC 1203 Technical Data
| Nominal input voltage | 12 V DC -15 % / 10 % |
| Input voltage range | 10,2 V … 13,2 V DC |
| Min. charging voltage | 11,8 V DC |
| Nominal input current (at 24,0 V DC) C charged 3 A load | 3,1 A DC |
| Output voltage in back-up operation | 11,5 V DC ±2 % |
| Nominal output current Max | 3 A DC (at 0,47 kJ / 0,94 kJ) |
| Nominal output current at maximum energy | 2 A DC (at ,05 kJ / 1,0 kJ) |
| Current limitation | 1,05 … 1,2 x INom |
| Power loss at Uc > | 2,5 W |
| Power loss at 100 % load and charge | 7 W (max. 60 seconds) |
| Efficiency at Uc > | >96% @ (Ue=12,0 V DC; Ua=11,5 V DC; Ia=INom) |
| Internal device protection (internal) | 4 A (T) |
| fusing DC-output circuit (external) | 3 A (T) |
| Type of connection: input Ue | Spring terminal max. 1,0 mm² |
| Type of connection: output Ua | Spring terminal max. 1,0 mm² |
| Type of connection: message contacts | Spring terminal max. 1,0 mm² |
| Max. load message contact (Ue-OK[1]) | 30 V/ 0,5 A |
| potential-free relay-contact | |
| Protective system | IP20 u. EN 60529 |
| Operational temperature | -20 °C … 60 °C |
| Storage temperature | -20 °C … 60 °C |
| Rel. humidity | ?95% no condensation |
| Max. mounting height (without load reduction) | 2000 m above sea level |
| dimensions (HxWxD) | 92,5 mm, 60 mm, 116 mm |
| weight | 0,6 Kg |
| Fixation | Snap-on mounting for DIN top hat rail |
| UL approvals | No |
[1] The message contacts are coupled with LED display. (see section 4.1). The illumination of a LED effects the activation of the corresponding relay.
Reference : j-schneider.de
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