Power supply unit
PS-203-60
Page 5
1.3
S
TRUCTURE AND OPERATION OF THE
P
RODUCT
1.3.1
The Product is manufactured in metal casing, which has a mounting to
vertical bulkhead. A piano type on/off switch with a main power LED (green) is located
on the casing side. The LED operates when the switch is turned to power On position,
see Figure 1.
Figure 1 – The PS-203-60
Table 2 describes functional elements and controls of the Product.
Table 2 – Functional elements, controls and LED light indicators of the Product
№
Element
Type, size, identifi-
er
Description
1
Piano type switch
–
Piano type switch to switch on/off power,
with backlight
2
Grounding stud
М5х20
Main grounding element
3
Cable gland
MG-16
Cable gland to connect input and standby
power, loads and alarm
4
MG-25
5
MG-32
Note – See positions (№) in Figure 1.
1.3.2
Power from standby sources or SB is supplied to the Product terminals
ensuring uninterruptible operation of the connected equipment, see Figure 2.