Pulsar DIN 1220 User Manual

DIN 1220

v.1.0

DIN 12V/2A

DIN rail power supply unit.

EN

Edition: 1 from 28.05.2013

Supersedes edition: ---------------

www.pulsar.pl DIN1220

2

CONTENTS:

1. Technical description.

1.1 General description

1.2. Block diagram

1.3. Description of components and connectors

1.4. Specifications

2. Installation.

2.1 Requirements

2.2 Installation procedure

3. Operation and use

4.1. Overload or short circuit of the PSU module output

4.2. Maintenance

1. Technical description

1.1 General description

The power supply unit is intended for the feeding of alarm system equipments, which require
12V DC. Their design enables simple changing of the output voltage, within the range of 12V÷15V DC, using a
potentiometer. The unit is protected against short-circuit and overload.The power supply units is protected
against short-circuit, overload and overvoltage.

1.2. Block diagram.

Fig.1. Block diagram of the PSU .

1.3. Description of components and connectors (Fig.2, tab.1).

Table 1. Description of PSU.

Element no. Description

[1] V

ADJ

potentiometer, DC voltage adjustment

[2] + OUTPUT - DC supply output
[3]

LED for DC voltage

[4] L-N - input voltage connectors 230 V AC

Features:

• power output 2A/12÷15VDC

• wide AC input voltage range 90÷264V

• high efficiency 85%

• LED optical signalisation

• protections:

• SCP short-circuit protection

• overvoltage protection

• overload protection (OLP)

• warranty – 2 year from the production date