3
1.3 Technical parameters.
Power supply voltage
230V AC, 50 Hz (-15%/+10%)
Transformer
TR 30 VA
Output voltage Uout
*12.8 V ÷ 13.8 V DC
13.8 V DC – rated
13.3 V DC @ 1A
Output current Iout
Imax – 1A (const.)
Power
18 W
SCP short-circuit protection
I-st grade - 200% ÷ 250%
of supply power – limitation of current
and/or fuse failure in the battery circuit (fuse-element
replacement required)
II – nd. grade
-
110% ÷ 150% (@25ºC÷65ºC)
of supply power –
current limitation with the PTC automatic fuse, manual
restart (disconnection of the DC output circuit)
OLP overload protection
110% ÷ 150% (@25ºC÷65ºC) of
supply
power – current
limitation with the PTC automatic fuse, manual restart
(disconnection of the DC output circuit)
Battery charging current
Iacc (max) = 0,3A max.
0.1A / 24h (Iaverage/24h)
F2 Fuse in the transformer primary circuit
T 200 mA (250 V)
Transformer primary circuit current - max
160 mA @ 1,1 A
(-15%, + 10%)
Transformer thermal protection
130
o
C
F1 Fuse in the battery circuit
F 2A
Battery
7 Ah/12V SLA
TAMPER output service reliability - max
500 mA @ 30 V DC max.
Enclosure IP
IP 20
Operating temperature
- 10
o
C ÷ 40
o
C
Relative humidity - max
90 [%] (max.)
Dimensions (WxHxD)
205 x 235 x 88 (80 + 8)
[±2] [mm]
Weight
1,8 kg net / 1,9 kg gross
* - buffer operation
Tab.1 Power supply technical parameters.
Fig. 2. Current and voltage characteristics of the power pack.
0
0,2
0,4
0,6
0,8
1
1,2
1,4
1,6
12
12,2
12,4
12,6
12,8
13
13,2
13,4
13,6
13,8
14
Diagram Uwy(Io)
I[A]
U
[V
]
