chargers, rectifiers, dc power, Battery chargers, rectifiers, dc power, Battery
chargers, rectifiers, dc power, Battery chargers, rectifiers, dc power
TD Series, UPS Battery Charger
Battery Charger for Extended Run-Time UPS Batteries
30 Volts to 240 Volts Output, 3 to 7 Amps
Many battery chargers used in small AC Uninterruptible Power Systems (UPS)
lack the power to quickly recharge extended run-time batteries. SENS TD
Series chargers are used with the external extended run-time battery to
ensure fast and safe recharging of large batteries (>30 minutes battery backup).
Chargers are available in a wide variety of sizes for any duration battery. For
high-power applications, the TD is used in parallel or series to
recharge any battery capacity.
Operates in parallel with UPS charger
The TD charger is connected to the UPS system DC bus. The bus connects
the battery, UPS charger and TD charger. The TD charger is
compatible with constant voltage,current-limited UPS chargers, and it requires
no blocking diode.
Wide output adjustment range
Adjustable output voltage allows one charger to be adjusted for many different
battery configurations at the time of installation. For example, the 240-volt
TD charger is field-adjustable for any lead-acid battery between 90 and
120 cells. This feature reduces part numbers, thereby lowering procurement and
stocking costs for OEMs.
Open frame design or fully enclosed
Many OEMs and VARs install the TD charger in a battery cabinet or their
own UL-listed housing, eliminating the need for a charger housing. The TD
charger is also available in a SENS wall mount or 19" relay rack housing for
open area applications.
Precision regulated electronic control
The TD's electronic control system combines accurate voltage regulation
and reliable charger operation. This ensures fast battery recharging and long
battery life.
Temperature compensated
The temperature-compensated control circuit provides the correct voltage to VRLA
batteries in all conditions. The standard remote temperature sensor provides the
most accurate battery temperature reading possible. Temperature compensation
reduces the possibility of battery thermal runaway and extends battery life.
Wide range of input voltages
Field selectable jumpers allow standard chargers to be configured for 120, 208
or 240 volts, 60 Hz. Also, 220/230/240 volts, 50 Hz input are available.
Regardless of output setting, chargers stay within +1% voltage regulation
over the specified input voltage window.
Automatic protection circuitry
TD chargers include a standard high-charger voltage shutdown. The high
voltage shutdown point of 3% to 5% above the float voltage setting of the
charger automatically moves as the output voltage is adjusted for different
battery voltages. This ensures the high-volt shutdown is always at the correct
level even when field adjusted by OEM or VAR customers.
UL recognized
Underwriters' Laboratories recognize 60 Hz versions.
Small size
The TD's compact design offers high efficiency in small spaces. The
chargers are easily installed in space-restricted UPS applications, and can be
mounted in any orientation including horizontal, vertical and inverted.


*Note: Please contact the factory for availaibity of
220/230/240, 50/60 Hz configurations.
Ordering Information Table