«NPK Morsvyazavtomatica» LLC
Operating manual
Page 4
1
DESCRIPTION AND OPERATION OF THE PRODUCT
1.1
D
ESCRIPTION
The PSU is designed to operate with single phase AC mains, frequency
50 (60) Hz, voltage 220 V (110 V at option) and to provide unregulated power of 24V
DC for various shipboard and industrial equipment.
1.2
M
AIN TECHNICAL SPECIFICATIONS
Technical specifications of PSU are represented in table 1.
Table 1 – Main technical specifications of the Product designs
Parameter
Value
PS-103
PS-103-20
Input voltage AC 50 (60) Hz, V
220 (110 at option) ± 10 %
Standby power from batteries, V DC
24
Output voltage, V DC
18…31
Rated load current, А
10
20
Rated power, W
output
190
400
consumed
240
450
Alarm output
«dry contact»
Normally closed
Normally opened
«dry contact»
Normally opened
Number of connected loads
3
4
Weight, kg
5, max
10, max
Protection degree
IP22
Operating temperature, °С
- 15…+ 55
Mounting type
wall
1.3
O
PERATION OF THE
P
RODUCT
1.3.1
General information
The Product is produced in metal casing which has a special mount for mounting
on a vertical bulkhead. There is a piano type switch (to switch the power on / off) on the
casing side as well as main power LED which glows green if the switch is in ON position.