Samlex America SEC-2425UL - Manuel (Page 5)

4 | SAMLEX AMERICA INC. SAMLEX AMERICA INC. | 5
seCtIOn 2 | Description & Features
SEC-1250UL (for 12V batteries) and SEC-2425UL (for 24V batteries) are high current, 3
Stage Chargers (also called I U
o
U) that deliver 50A and 25A respectively for almost 75%
to 80% of the charging cycle ensuring a very fast, safe and complete charging of Lead
Acid batteries. The nomenclature “ I U
o
U” is a DIN nomenclature and signifies the 3
charging stages – “I” for Bulk Charge Stage, “U
o
” Absorption / Over-charge Stage and
“U” for Float / Maintenance Stage (under DIN specification, voltage is designated “U”
and current is designated “I”. The subscript “
o
” in “U
o
” signifies over- charge).
FeAtUReS
• State-of-the-art Switch Mode Technology for high efficiency, light-weight and quiet
operation.
• User configurable AC input voltage – 120 VAC or 230 VAC, 50 / 60 Hz
• Automatic operation for all types of Lead Acid Batteries - Flooded, AGM or Gel Cell
• User selectable 2 or 3-Stage automatic charging algorithm with timed Absorption
Stage and temperature compensation ensures rapid, safe and full return of capacity
for stand-alone and loaded batteries.
• Ability to reduce maximum charging current to approximately 1/2 of the rated capac-
ity during “Half Power Mode”. This allows safe charging of lower capacity batteries.
• Includes a Battery Temperature Sensor allowing temperature compensated charging,
if required.
• 2 banks of batteries can be charged simultaneously without the use of an external
battery isolator. The charging current will be shared between the two banks depend-
ing upon the depth of discharge of the connected batteries.
• Voltmeter and Ammeter for monitoring
• Fan cooled - fan ON/OFF based on output current.
• Protections against short circuit, over current, reverse battery connection and
over-temperature.
• Can be used as a power supply or as a DC UPS (Uninterruptible Power Supply)
when used in conjunction with a battery.
• Optional Remote LED Panel Model 900-RC with 10 Meters of wire for remote
ON/OFF control and indication of charging status.
• Safety certified and listed to UL Standard UL-1564
• EMI compliant to FCC Part 15(B), Class B
MAxiMUM AH cAPAcity oF BAtteRy to Be cHARGed
If the chargers are used to charge very high capacity batteries, they will be forced to
supply their maximum rated charging current for longer time than the designed limit
and hence, the components will be overstressed and are likely to fail prematurely. To
prevent premature failure, the maximum Ah capacities of the batteries must be limited
as follows:
- SEC-1250UL: 500 Ah
- SEC-2425UL: 300 Ah