- 24 VDC input / output
- 40 A output current
- Switches the output to battery power in the event of a mains failure with absolutely no interruption
- Integrated deep-discharge protection with automatic load disconnection
- Integrated battery test system with warning function
- Temperature-controlled battery charging
- Adjustable charging current (up to 15.0 A) to suit the installed battery capacity
- Designed for batteries with capacities up to 300 Ah
- DIN rail mounting
Technical Specifications
Electrical Specifications
| INPUT | PUS 2440-15 | ||
|---|---|---|---|
| Rated input voltage | 28 VDC | ||
| Input voltage range | 27.0 …30.0 VDC | ||
| Input current | 56 A | ||
| No-load current | 120 mA | ||
| OUTPUT | PUS 2440-15 | ||
|---|---|---|---|
| Nominal output voltage when connected to the mains | UIn -0.5 VDC | ||
| Output voltage when running on battery power | 28.0 … 19.5 VDC | ||
| Nominal output current | 40 A | ||
| ENERGY STORAGE | PUS 2440-15 | ||
|---|---|---|---|
| Transitional period | load-dependent | ||
| Max. charging current | 15 Ah | ||
| Deep discharge protection | Typ. 20.0 VDC | ||
| Discharge warning contact | Typ. 22.0 VDC | ||
| External storage device to be connected | VRLA-AGM 24 VDC | ||
| External storage capacity to be connected | 18.0 … 300.0 Ah | ||
| SIGNALLING AND COMMUNICATION | PUS 2440-15 | ||
|---|---|---|---|
| Signalling | LEDs and indicator contacts | ||
| ELECTRICAL PROTECTION | PUS 2440-15 | ||
|---|---|---|---|
| Battery fuse recommended | 50 A | ||
| Input protection recommended | 63 A | ||
| Output Protection recommended | 50 A | ||
Mechanical Specifications
| PUS 2440-15 | |||
|---|---|---|---|
| Width | 68.5 mm | ||
| Height | 183 mm | ||
| Depth | 179 mm | ||
| Weight | approx. 0.9 kg | ||
| Installation method | DIN rail mounting | ||
Connection Details
| CONNECTION | PUS 2440-15 | ||
|---|---|---|---|
| Connection type | Power terminal | ||
| Connection technology | Spring-loaded terminals | ||
| Single-core conductor | 0.75 … 16 mm² | ||
| Fine-stranded conductor | 0.75 … 16 mm² | ||
| CONNECTION | PUS 2440-15 | ||
|---|---|---|---|
| Connection type | Signalling terminals | ||
| Connection technology | Screw-type / plug-in terminals | ||
| Single-core conductor | 0.2 … 2.5 mm² | ||
| Fine-stranded conductor | 0.2 … 2.5 mm² | ||
Protection and Safety
| PROTECTION AND SAFETY | PUS 2440-15 | ||
|---|---|---|---|
| Degree of protection | IP 20 | ||
| protection class | III | ||
Environmental Conditions
| PUS 2440-15 | |||
|---|---|---|---|
| Ambient temperature (operation) | -10 … +50 °C | ||
| Ambient temperature (storage) | -20 … +70 °C | ||
| Cooling | natural convection | ||
Standards and Regulations
| PUS 2440-15 | |||
|---|---|---|---|
| EU Declaration of Conformity in accordance with | 2011/65/EU, 2014/30/EU | ||
| Standards and Regulations | DIN EN IEC 62368-1 DIN EN IEC 61000-6-2 DIN EN IEC 61000-6-3 |
||
Commercial Data
| PUS 2440-15 | |||
|---|---|---|---|
| Product group | DC-UPS Module | ||
| Packaging unit | 1 item | ||
| Type of packaging | Cardboard box | ||
| Country of origin | DE | ||
| HS Code | 85044095 | ||
| Item number | 87778 | ||
Product Description
The PUS 2440-15 is a compact, uninterruptible DC UPS module. In addition, the connected batteries are charged at up to 15 A, monitored and kept ready for use. In the event of an input voltage failure (power cut, brief interruption, overload), the unit switches to UPS mode and continues to supply the loads without interruption. The high charging current allows the connection of high-capacity batteries, thereby ensuring long backup times in the event of a mains failure.
Approvals and Applications

CE Marking
2011/65/EU, 2014/30/EU
Konzept Energietechnik - DC USV Systeme und Stromversorgung
