- 230 VAC INPUT
- 13.5 VDC or switchable to 27.0 VDC OUTPUT
- Safety in accordance with DIN EN IEC 62368-1 & DIN EN 54-4
- VdS approval
- Integrated battery monitoring system
- Temperature-controlled charging voltage adjustment
- Up to 2 x 12 VDC / 24 Ah batteries can be integrated
- Integration into bus systems for fault transmission to the fire alarm control panel
- Mains voltage monitoring with selectable delay time
- Earth fault monitoring (can be disabled)
- Integrated door contact connection (changeover contact)
Technical Specifications
Electrical Specifications
| INPUT | DCU 2403 | ||
|---|---|---|---|
| Rated input voltage | 230 VAC | ||
| Input current | 1.1 A | ||
| Frequency | 50 … 60 Hz | ||
| OUTPUT | DCU 2403 | ||
|---|---|---|---|
| Nominal output voltage when connected to the mains | 13.5 / 27.0 VDC ±1 % Temperature-controlled | ||
| Output current | 6.0 A at 13.5 V 3.0 A at 27.0 V |
||
| Nominal output power | 81 W | ||
| Output voltage when running on battery power | typ. 13.0 … 9.5 V / 26.5 … 19.0 VDC | ||
| ENERGY STORAGE | DCU 2403 | ||
|---|---|---|---|
| Transitional period | depends on the load; limited by battery capacity | ||
| Charging current | 1.3 A per battery at 12.0 V | ||
| Deep discharge protection | typ. 9.5 V per battery | ||
| Discharge warning contact | typ. 11.0 V per battery (suitable for use with 1 A, 30.0 VDC) |
||
| Storage type suitable for type: | VRLA-AGM; 2 x 12 VDC | ||
| Storage capacity | at least 5 Ah / max. 24 Ah | ||
| SIGNALLING AND COMMUNICATION | DCU 2403 | ||
|---|---|---|---|
| Signalling | LED and indicator contacts | ||
| EFFICIENCY | DCU 2403 | ||
|---|---|---|---|
| Efficiency typ. | 81 % | ||
| ELECTRICAL PROTECTION | DCU 2403 | ||
|---|---|---|---|
| Internal battery fuse | T 4 A (5 x 20 mm) per battery | ||
| Internal mains input fuse | T 4 A (5 x 20 mm) | ||
| Internal output fuse | T 10 A (5 x 20 mm) per output | ||
Mechanical Specifications
| DCU 2403 | |||
|---|---|---|---|
| Width | 310 mm | ||
| Height | 410 mm | ||
| Depth | 211 mm | ||
| Weight | 7.5 kg (about 23 kg including battery) | ||
| Installation method | Wall mounting | ||
Connection Details
| CONNECTION 1 | DCU 2403 | ||
|---|---|---|---|
| Connection type | Input | ||
| Connection technology | Screw terminal | ||
| Single-core conductor | 1,5 … 6 mm² 16 … 10 AWG |
||
| Stripping length | 6 mm | ||
| Tightening torque for the terminal | 0,5 … 0,6 Nm | ||
| CONNECTION 2 | DCU 2403 | ||
|---|---|---|---|
| Connection type | Output / Signalling | ||
| Connection technology | Screw-type / plug-in terminals | ||
| Fine-stranded conductor | 0,2 … 2,5 mm² 24 … 12 AWG |
||
| Stripping length | 7 mm | ||
| Tightening torque for the terminal | 0,5 … 0,6 Nm | ||
Protection and Safety
| PROTECTION AND SAFETY | DCU 2403 | ||
|---|---|---|---|
| IP-Rating | IP 30 | ||
| Protection class | I | ||
Environmental Conditions
| DCU 2403 | |||
|---|---|---|---|
| Ambient temperature (operation) | -5 °C … +40 °C | ||
| Ambient temperature (storage) | -20°C … +45 °C | ||
| Cooling | natural convection | ||
Standards and Regulations
| DCU 2403 | |||
|---|---|---|---|
| EU Declaration of Conformity in accordance with | 2011/65/EU, 2014/35/EU, 2014/30/EU, (EU)305/2011 | ||
| Standards and Regulations | DIN EN IEC 62368-1 DIN EN 54-4 DIN EN IEC 61000-4-2 DIN EN IEC 61000-4-3 DIN EN 61000-4-4 DIN EN 61000-4-5 DIN EN IEC 61000-3-2 |
||
| VdS – Approval | G 209227 | ||
| Certificate number | 0786-CPR-20935 | ||
Commercial Data
| DCU 2403 | |||
|---|---|---|---|
| Product group | All-in-One UPS | ||
| Verpackungseinheit | 1 item | ||
| Type of packaging | Cardboard box | ||
| Country of origin | DE | ||
| HS-Code | 85044095 | ||
| Item number | 86272 | ||
Product Description
The DCU 2403 power supply unit ensures an uninterrupted power supply for fire alarm systems in buildings in accordance with EN 54-4. The unit combines the input power supply, UPS and battery charging functions in a single housing, which accommodates battery packs – consisting of two individual batteries – with a capacity of up to 24 Ah. The switchable output voltage (12 or 24 VDC) and the BUS connection via an adapter circuit board complete the unit’s features.
Approvals and Applications
CE Marking
2011/65/EU, 2014/35/EU, 2014/30/EU, (EU)305/2011
Konzept Energietechnik - DC USV Systeme und Stromversorgung
Certified by VDS
G 209227
Konzept Energietechnik - DC USV Systeme und StromversorgungComplementary Products
DCU 2403 Adapter Board
Plug-in adapter card for the DCU 2403 external power supply unit
SUN Battery SB12-24V0
AGM lead battery (OGiV-AGM) | 12 VDC | 24 Ah (C20) | F-M5 terminal
