Mains Input
Rated Voltage
(Operational voltage)
100 – 240V ac
(90 – 265V ac)
Frequency
45 – 65 Hz
Input current
< 1.0 Amps at full load
Inrush current
5A Max at 25 °C 110V ac for 10 ms
Fuse
T2.0 A 20mm, 250V ac HRC
Output
Battery mode selected
2.1 Ah
7 Ah
17 Ah
Voltage at full load
Mains power
Battery standby
27.0 – 28.3V dc (range) (27.6 V nominal)
21 – 26.0V dc
Ripple
<100 mV pk – pk max @ Rated Voltage
Fuse
Load
Battery
F2.5 A
F2.5 A
Continuous Output Current
No charging (Imax B)
With charging (Imax A)
2.5 A
2.0 A
2.5 A
2.0 A
2.5 A
1.8 A
Battery Capacity
eg
-
PowerSonic model
-
Yuasa model
2 x 2.1 Ah 12 V
PS12021
NP2.1-12I
2 x 7 Ah 12 V
PS12070
NP7-12I
2 x 17 Ah 12 V
PS12170
NP17-12I
Battery Charging
Constant current bulk charging to 80% capacity within 24 hours
Float charging to 100% within 48 hours
Eco charging and check every 24 hours – (for up to 8 hours pulse
charge dependent on temperature)
Constant current charge
0.3 A
0.7 A
Low battery threshold voltage
23 V
Deep discharge protection
Threshold voltage – 21 V
Quiescent current – no load
< 30 mA @ 27.6 V
Quiescent current – batt cut off
0 mA @ 27.6 V
Mechanical
Product Reference
STX2402-C
STX2402-E
Enclosure Dimensions
w x h x d (mm)
275 x 330 x 80
400 x 420 x 80
Weight (kg)
excluding battery
3.3 Kg
5.8 Kg
Material
1.2 mm steel white powder coated
Environmental
Temperature – Operating
-10 to +40°C (operating) 75% RH non-condensing
Temperature - Storage
-20 to +80°C (storage)
S
PECIFICATION
www.acornfiresecurity.com
www.acornfiresecurity.com
