This DIN rail power supply from PULS has been manufactured to a high standard, with a compact design that is ideal for installation in an enclosure, and intended for general professional use such as in industrial control, office, communication, and instrumentation equipment.
The uninterruptible power supply controller (DC-UPS) is used in addition with a 24V power supply and batteries to bridge power failures or voltage fluctuations. This configuration can prevent expensive downtimes, long restart cycles and loss of data.
A unique feature is the constant voltage in battery mode, which will not change as the batteries discharge. The buffer voltage in battery mode can be set to four different output values. Another feature is the utilisation of two independent battery chargers for the two 12V-batteries in series. This feature makes matching batteries unnecessary and allows for precise battery charging, testing and optimised usage of the battery capacity to achieve the longest battery service life.
Also included are the many battery diagnostic functions that ensure a reliable operation of the entire system. Furthermore, a temperature controlled charging extends the life of the batteries. It also includes a selectable buffer time limiter as well as ready, buffering and replace battery contacts. For safety and maintenance, an inhibit input signal is included which prevents a battery backup.
The UB20.241 unit comes with a manufacturer's three-year warranty and a large international approval package for a variety of applications, making it suitable for nearly every situation.
- 100-240V AC wide-range input
- Width only 65mm
- Efficiency up to 94%
- ATEX and IECEx approved
- -C1 version with conformal coated pc board
- Excellent partial load efficiency
- 20% output power reserves
- Easy fuse breaking due to high overload current
- Active power factor correction
- Minimal inrush current surge
- Full power between -25°C and +60°C
- Current sharing feature for parallel use
- Manufacturer's part UB20.241
| Type |
Rail mounted PSU (DIN) |
| Nominal value output current 1 |
20A |
| Power Rating |
480W |
| 1st secondary output voltage |
24V |
| 2nd secondary output voltage |
24V |
| 3rd secondary output voltage |
24V |
| Efficiency |
up to 94% |
| Maximum Temperature |
+70°C |
| Min. temperature |
-25°C |
| Nominal value output voltage 1 |
24V |
| Output voltage stabilized |
24V |
| Rated supply voltage AC 50 Hz |
24V |
| Rated supply voltage AC 60 Hz |
24V |
| Rated supply voltage DC |
24V |
| Voltage type (supply voltage) |
24V |
| Width |
65mm |
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