PNi ST20A Plus Switching Power Supply Instruction Manual

July 31, 2024
PNI

PNi ST20A Plus Switching Power Supply

Product Information

Technical Specifications

  • Input voltage: ST3.4A 230V, ST10A 230V, ST20A Plus 110/230V (selectable)
  • Output voltage: ST10A 12V DC, ST20A Plus 12 – 14.5V
  • Peak output current: ST3.4A 3.4A, ST10A 10A, ST20A Plus 20A
  • Power: ST3.4A 40W, ST10A 120W, ST20A Plus 240W
  • Efficiency: 73%
  • Adjustable voltage range
  • Protections: Overload, short circuit
  • Operating temperature

Product Usage Instructions

Warnings

  • To avoid personal injury or damage to goods, only qualified personnel should perform installation and connections.
  • Pay special attention to wire connections to prevent irreversible damage due to polarity reversal.
  • Avoid using the power supply in high-temperature, dusty, or humid environments.
  • Do not place the power supply on flammable surfaces or near sources of gas or fire.

Installation

The connections are made according to the terminals on the source:

  • AC INPUT: AC 230V or AC 110~230V (for the PNI ST20A Plus model)
  • :grounding connection
  • DC OUTPUT 12V- / 12V+
  • AC- >DC: Output voltage adjustment for compensating voltage drops over longer cable distances.

Simplified EU Declaration of Conformity

ONLINESHOP SRL declares that the Switching power supply PNI ST.4A/ST10A/ST20A Plus is in accordance with the EMC Directive 2014/30/EU. The full text of the EU declaration of conformity is available at the following internet address: EU Declaration of Conformity.

FAQ

  • Q: Can I use the power supply in high-temperature \environments?
    • A: It is not recommended to use the switching power supply in environments with high temperatures as it can lead to damage.
  • Q: What should I do if I accidentally reverse the polarity during installation?
    • A: Reversing the polarity can lead to irreparable damage to\ devices and loss of warranty. Ensure connections are made correctly and seek professional help if needed.
  • Q: How can I adjust the output voltage of the power supply?
    • A: The AC->DC adjustment feature allows you to compensate for voltage drops over longer cable distances.

Introduction

The PNI switching power supply can be used to power devices in access control, video surveillance or anti-burglary systems.

Technical specifications

| ST3.4A| ST10A| ST20A Plus
---|---|---|---
Input voltage| 230V| 230V| 110/230V

(selectable)

Output voltage| 12V DC
Peak output current| 3.4A| 10A| 20A
Power| 40W| 120W| 240W
Efficiency| 73%
Adjustable voltage range| 12 – 14.5V
Protections| Overload, short circuit
Operating temperature| -26°C ~ +80°C

Warnings

  • To avoid personal injury, damage to goods or electronic devices, we recommend that installation and connections be performed only by qualified personnel.
  • Pay special attention to the way of connecting the wires. Reversing the polarity can lead to irreparable damage to the devices and loss of warranty.
  • Do not use the switching power supply in environments with high temperatures or excess dust and humidity.
  • Do not install the switching power supply on flammable surfaces.
  • Keep the switching power supply away from sources of gas or fire.

Installation

The connections are made according to the terminals on the source:

  • AC INPUT: AC 230V or AC 110~230V (for the PNI ST20A Plus model)
  • grounding connection
  • DC OUTPUT 12V- / 12V+
  • AC->DC: output voltage adjustment that can compensate for voltage drops over longer cable distances.

Simplified EU declaration of conformity

ONLINESHOP SRL declares that the Switching power supply PNI ST.4A/ST10A/ST20A Plus is in accordance with the EMC Directive 2014/30/EU. The full text of the EU Declaration of Conformity is available at the following internet address:
https://www.mypni.eu/products/4459/download/certifications

Connection diagrams

PNI ST3.4A

CERTIFICATE OF QUALITY AND COMMERCIAL WARRANTY

The warranty period for natural persons is 24 months as of the delivery date for the manufacturing and material defects. The warranty period for legal entities is 12 months as of the delivery date for the manufacturing and material defects. The commercial warranty shall not impair the consumer rights provided by the applicable legislation in force, namely Emergency Government Ordinance 140/28.12.2021 on certain issues related to contracts for the sale of goods, the Government Ordinance 21/1992 on the consumer protection as subsequently amended and supplemented by Law 296/2004 on the consumption code as subsequently amended and supplemented

Download the full version of the warranty certificate

Documents / Resources

| PNi ST20A Plus Switching Power Supply [pdf] Instruction Manual
ST3.4A, ST10A, ST20A Plus, ST20A Plus Switching Power Supply, ST20A Plus, Switching Power Supply, Power Supply
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