Power Supplies For Network Switches

13.8VDC @1.0A & 5V 2.0A Power supply cum Batt. charger

SPECIFICATION

INPUT CHARACTERISTIC

PHASE
Single phase, 2 wire.
INPUT FREQUENCY
50Hz ± 3Hz.
INPUT VOLTAGE
AC 100V rms to 270V rms.
EFFICIENCY
> 75% at 230V AC input and Fully loaded.

OUTPUT CHARACTERISTIC:

OUTPUTS
Equipment supply - 5V at 2.0 Amps max. Battery supply - 13.8V at 1.0A ± 0.20A max.
Battery is to be directly floated across the load, however it has separate
terminals. Battery is connected to the load through a fuse and reverse
polarity protection circuit.
OUTPUT VOLTAGE REGULATION
Load output (with battery disconnected) will be regulated with in ±2%, with battery connected will follow the battery voltage.
RIPPLE & NOISE
Ripple on output load terminal (with battery disconnected) will be less than 150mV. Noise will be less than 300mV Pk - Pk.
BATTERY CHARGING
Battery charging will take place with constant voltage, constant current
Maximum charging current of the battery is limited to 1.0A ± 0.20A.
Maximum Charging Voltage is Set at 13.8V ± 2%.

PROTECTIONS:

OUTPUT OVER LOAD AND SHORT CKT PROTECTION
Available
BATTERY REVERSE POLARITY PROTECTION
Available

INDICATIONS:

MAINS ON INDICATOR
Will be ON when AC is available.
BATTERY ON INDICATOR
Will be ON when Battery is supplying power to the Equipment.
BATTERY LOW INDICATOR
Will be ON when Battery voltage is below 10.30V to 10.80V.
COOLING
Free air convection cooling.

ENVIRONMENT

TEMPERATURE
Operation -5 to +50 ºC
Storage -5 to +60 ºC
HUMIDITY
Operating 5% RH to 85% RH non - condensing
Storage 5% RH to 95% RH non - condensing

PRODUCT SAFETY:

DI-ELECTRIC VOLTAGE WITHSTAND TEST
1.5 KV AC rms at 50Hz for one minute ( trip current set at 5mA). 1) Between INPUT and CHASIS.
EARTH GROUND RESISTANCE
To be less than 200mW with a test current of 2.0A through GND

ENCLOSURE

DIMENSIONS
W = 111.5mm H = 47mm D = 110mm.
WEIGHT (Unpacked)
Approx 0.5 kgs.