Data Sheet

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EN54M series power supplies module
Power supplies for fire alarm systems 27,6 V DC
Pulsar
®
Functional class EN 12101-10:2007
A
Mains supply
~230 V; 50 Hz
Efficiency
89% max
Output voltage at 20 ºC
22,0 V÷ 27,6 V DC – buffer operation
20,0 V÷ 27,6 V DC – battery-assisted operation
Maximal resistance of the battery circuit
300m Ohm
Ripple voltage (max.)
30÷150mVp-p max.
Current consumption by the PSU
during battery-assisted operation
52 ÷ 85mA
Coefficient of temperature compensation of the
battery voltage
-36mV/ ºC (-5 ºC ÷ 40 ºC)
The LoB low battery voltage indication
Ubat < 23 V, during battery mode
Overvoltage protection OVP
U>32 V±2 V, automatic recovery
Short-circuit protection SCP
F
AUX1
, F
AUX2
melting fuse (failure requires fuse replacement)
Overload protection OLP
105-150% of power supply, automatic recovery
Battery circuit protection SCP and reverse
polarity connection
F
BAT
melting fuse (failure requires fuse replacement)
Deep discharge battery protection UVP
U<20 V (± 2%) – disconnection of the batteries
Technical outputs:
- EPS FLT; indicating AC power failure
- ALARM; indicating collective failure
- relay type: 1 A@ 30 V DC /50 V AC
- 10s time lag.
- relay type: 1 A@ 30 V DC /50 V AC
EXTi technical inputs
Closed input – no indication
Open input - alarm
Optical indication:
- LEDs on the PCB of the power supply unit
Additional equipment
(not included)
- fuse modules: EN54C-LB4, EN54C-LB8
- sequential modules: EN54C-LS4, EN54C-LS8
- the EN54M-LED external optical indication panel
- bracket EN54M-DIN1
Operating conditions
2nd environmental class (EN12101-10:2007), -5
o
C÷75
o
C
Certificates, declarations, warranty
Certificate of constancy of performance CNBOP-PIB No 1438-CPR-0630
CE, RoHS, 3 years from the production date
Notes:
Convectional cooling (fan cooling only for EN54M-10A version)
PSU
power
Output
current
Imax b
Output
current
Imax a
Charging
current
Operation
with battery
Dimensions
WxHxD
[mm]
EN54M-2A7
56,8 W 2 A
1,6 A 0,4 A 7,2 Ah
200 x 120 x 48
EN54M-2A7-17
1,2 A 0,8 A 7-20 Ah
EN54M-3A7-17
85,2 W 3 A
2,2 A 0,8 A 7-20 Ah
EN54M-3A17-40
1,2 A 1,8 A 17-45 Ah
EN54M-5A7-17
142 W 5 A
4,2 A 0,8 A 7-20 Ah
204 x 141 x 52
EN54M-5A17-40
3,2 A 1,8 A 17-45 Ah
EN54M-5A40-65
2,4 A 2,6 A 40-65 Ah
EN54M-10A17-40
284 W 10 A
8,2 A 1,8 A 17-45 Ah
237 x 168 x 55
EN54M-10A40-65
7,4 A 2,6 A 40-65 Ah