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PAK200789_02A July 2019 ©2019 ELMDENE INTERNATIONAL LTD
S
PECIFICATION
Mains Input
Rated Voltage / Power
(Operational voltage)
230V ac / 60W @ In = 5A nominal output current
Un = 24V nominal output voltage
(195V ac – 265V ac)
Frequency
Input
Switching frequency range
50 Hz nominal
20kHZ – 125KHz approximately, dependent on load.
Input current
< 2.0 Amps at full load
Inrush current
25A Max at 25 °C 230V ac for 10ms
Fuse
T3.15 A 20mm, 250V ac HRC (IEC 60127-2 type)
Earth / neutral system
TN & TT
PSU = Power Supply Unit (2405ST), PSE = Power Supply Equipment (the PSU in metal enclosure complete with batteries – 2405ST-x),
CIE = Control and Indicating Equipment (e.g. a Fire Alarm System Control Panel).
PSU Output
Voltage
on Mains power
(at full load)
21.6V dc (Umin)* – 28.8V dc (Umax)*
/
**
Un* = 24.0 V dc +/-3% at 25°C
Voltage
on Battery standby
(at full load)
21.6V dc – 26.0V dc
Continuous Output Current
No charging (
Imax B
)
With Charging EN54-4 (
Imax A
)
5.7A
Varies – see Section 20
Ripple
<100 mV pk – pk max @ Rated Voltage (HF)
Current Limitation
Short circuit protection
From In* to In+15% for an output voltage < 50% Un*
Fuse
Load (OP1 and OP2)
F5.0 A (IEC 60127-2 type)
Battery Charging
Constant current (bulk) charging to 80% capacity within 24 hours
Float charging to 100% within 48 hours with monitored ECO charging
Battery Voltage
Low battery threshold voltage
Deep discharge protection
23.2 V (measured at the battery)
21.6 V (minimum, measured at PSU output)
Quiescent current
At no load
At battery cut off
< 60 mA
< 180 µA
* Umin / Umax / Un = maximum / minimum
** Umax elevated by approxi1% of Un when connecting the battery. Umax = 28.8V at all other times
.
Mechanical
Product Reference
2405ST-C
2405ST-K
2405ST-E
2405ST-H
BATT-BOX-65
Enclosure Dimensions
w x h x d (mm)
275 x 330
x 80
350 x 325
x 105
400 x 420
x 80
420 x 420
x 180
450 x 535
x 245
Weight (kg)
excluding
battery
Including
battery
3.3 Kg
~5 Kg / 9 Kg
4.8 Kg
~13 Kg
5.8 Kg
~18 Kg
9.7 Kg
~28 Kg / 40
Kg
12.9Kg
~55 Kg
Battery Capacity (x2 12V
VRLA)
7Ah
12Ah
17Ah
24Ah / 38Ah
65Ah
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)
Enclosure rating
IP30
This Power Supply Unit (PSU) is only suitable for installation as permanently connected equipment (Power Supply Equipment / PSE).
The PSE is NOT SUITABLE for external installation
