ST20A Plus Switched Power Supply
User Manual
Switching power supply
TECHNICAL PARAMETERS
| Model | PNI ST3.4A | PNI ST10A | PNI ST20A Plus | |
| Input | Voltage | 230 V | 230 V | 110 / 230 V (selectable) |
| Frequency | 50-60Hz | |||
| Output | Voltage | DC 12V | ||
| Current | 3.4A | 10A | 20A | |
| Power | 40W | 120W | 240W | |
| Efficiency | 73% | |||
| Adjustable range | DC 12 – 14.5V | |||
| Protection | Overload | 105-115% | ||
| Short circuit | Auto recovery | |||
| Environment | Usage | -26-+80°C, 20-90% humidity | ||
| Storage | -20-+85°C, 10-95% humidity | |||
| Feature | Size | 110x78x36 mm | 160x98x40 mm | 198x97x42 mm |
| Weight | 189g | 336g | 683g | |
These power sources can be used to power components from access control, video surveillance or burglary detection systems.
Attention:
- Installation must be performed by qualified personnel to avoid damages or injury to persons
- Pay attention to the connection wires: polarity reversal can lead to irreversible damage and void the warranty of the product
- Do not use the power source in high temperatures
- Do not install the power source on inflammable materials or plastic
- Keep the power source away from smoke or gas sources
CNNECTION DIAGRAM
INSTALLATION
- The connections are to be made according to the terminals on the switching power supply:
AC: AC input 110~230V
: Ground connection
Output +/-: Output 12V - Ensure the stability of the connections and respect the polarity
- Use a measuring device to check the input voltage before turning on the voltage source
- Mount the source upright in a stable place
: Ground connectionEU Simplified Declaration of Conformity
SC ONLINESHOP SRL declares that Switching power supply PNI ST20A Plus, ST10A, ST3.4A complies with the Directive EMC 2014/30/EU and LVD 2014/35/EU. The full text of the EU declaration of conformity is available at the following Internet address:
https://www.mypni.eu/products/6726/download/certifications
https://www.mypni.eu/products/4459/download/certifications
https://www.mypni.eu/products/4461/download/certifications
mypni.eu/products/4459/download/certifications
