SERIES TBC
Model TBC 24-25M Rack mount style
Kepco's TBC are designed as battery
chargers for float-equalize service to TBC MODEL TABLE
maintain battery arrays as found in many
OUTPUT VOLTS OUTPUT INPUT INPUT
telecommunication installations. The TBC MODEL(1) NOMINAL RANGE CURRENTS SIZE(3) VOLTS AMPS EFFICIENCY
are fully filtered and stabilized battery elim- TBC 12-20M 12V 11.5-15V 0-20A A 115/230 4.6A(2) 77%
inators that also find application as burn-in TBC 12-50M 12V 11.5-15V 0-50A A 115/230 12.5A(2) 80%
power supplies. TBC 12-120M 12V 11.5-15V 0-120A A 230 16A 82%
TBC 24-25M 24V 23-30V 0-25A A 115/230 12A(2) 85%
The float and equalize settings are fully TBC 24-60M 24V 23-30V 0-60A A 230 16A 83%
independent adjustments whose settings are TBC 24-120M 24V 23-30V 0-120A B 230 32A 82%
made by screwdriver access through small TBC 48-12M 48V 47-60V 0-12A A 115/230 12A(2) 85%
sliding doors in the front panel. The digital TBC 48-30M 48V 47-60V 0-30A A 230 16A 84%
voltmeter allows precise adjustment. A digital TBC 48-60M 48V 47-60V 0-60A B 230 32A 83%
ammeter displays the charging current. (1) Add suffix "W" for wall mount style.
(2) Input current with input selector set to 115V a-c.
(3) Size A--51/4 x 19 x 131/2 inches, 133 x 483 x 343 mm (See outline drawing).
If the current drops to zero, either because Size B--83/4 x 19 x 15 inches, 222 x 483 x 351 mm (See outline drawing).
the a-c mains power to the TBC is lost, the Wall--15 x 19 x 83/4 inches, 381 x 483 x 222 mm.
front panel circuit breaker is turned off or the
voltage setting is adjusted below the battery's
voltage, a "charging stopped" LED is TBC GENERAL SPECIFICATIONS
illuminated and a flag signal is provided.
SPECIFICATION RATING/DESCRIPTION CONDITION
Equalize mode can be selected either with a
Circuit Type Forward converter
front panel push button, or a remote contact
Switching Frequency ~ 150KHz
closure. This sets the voltage to the equalize
level (adjustable). A timer is activated that Temperature Range 0-50°C Operating
will reset back to float mode after a period of -40 to +75°C Storage
time (0.1 to 99.9 hrs) that can be set from the Humidity 95% RH Non-condensing
front panel with a thumbwheel selector. A Isolation 500V d-c, 100M Output-case
flag signal is produced when the TBC is in 3.75KV a-c 1 min Input-output
equalize mode. 2.0KV a-c 1 min Input-case
Kepco's TBC employ high frequency switching Cooling Built-in d-c fans with
fan-stop sensor
technology (100-150KHz forward converters)
for high efficiency, small size and light weight.
The output is filtered so that residual voice TBC are available with wide-range a-c input and power factor
band noise (on battery) is below 22dB rnC. correction. Please consult the factory.
CompuMess Elektronik GmbH · Lise-Meitner-Str.1 · 85716 Unterschleissheim
74 Tel 089-321501-0 · Fax 089-321501-11 · www.compumess.de · www.netzteile.de
CONTROL TERMINALS
RC = remote control
(on/off)
S = sense
M = monitor
FL/EQL = float/
equalize
COM = common
CB = current
balance (for
paralleling)
Flags optionally available as isolated form C contacts.
Consult factory.
Optional connections to monitor battery temperature
and adjust output setting are available. Consult factory.
Model TBC 48-12MW Wall mount style
TBC INPUT CHARACTERISTICS
SPECIFICATI0N RATING/DESCRIPTION CONDITION
Voltage Range 100-260V a-c Universal
300W & 600W models with PFC
1500W & 3000W models 200-260V a-c 230V a-c only Rear view of Model TBC
Initial Surge at Turn-on 20A 115V a-c showing control terminals
40A 230V a-c
Input Frequency 47-63Hz(1)
Conducted EMI FCC Class A Back to mains
Leakage to Ground 1.0mA 115V a-c (UL method)
2.0mA 230V a-c (VDE method)
Start-up Time 800msec
Hold-up Time 20msec Loss of mains
(1) 400Hz available, consult factory.
TBC STATIC SPECIFICATIONS
SPECIFICATI0N TYP MAX CONDITION
Source Effect 0.8% 1.5% Min-max
Load Effect 0.8% 1.5% 10% to 100%
Temperature Effect 1.0% 1.5% 0-50°C
Combined Effect 1.2% 3.0% (Source, load, temp.)
Time Effect 0.1% 0.8% (1/2-8 hrs)
Output Noise -- <22dB rnC Voice band on battery
-- 250mV Wide band 12V
-- 300mV 24V
-- 500mV 48V AN ISO 9001 COMPANY
Load Recovery -- <4% Excursion 50-100%
-- <1msec Recovery within ±1%
CompuMess Elektronik GmbH · Lise-Meitner-Str.1 · 85716 Unterschleissheim
Tel 089-321501-0 · Fax 089-321501-11 · www.compumess.de · www.netzteile.de 75
NET WEIGHT
MODEL LBS Kg INPUT/OUTPUT CONNECTORS
TBC 12-20M 28 12.7
FUNCTION DESCRIPTION
TBC 12-50M 33 15.0
TBC 12-120M 40 18.2 a-c Input Field wiring terminals behind rear panel door
TBC 24-25M 33 15.0
TBC 24-60M 40 18.2 d-c Output Bus bars drilled, 8M hole
TBC 24-120M 66 30.0
TBC 48-12M 33 15.0 CONTROLS AND FLAGS
TBC 48-30M 40 18.2
TBC 48-60M 66 30.0
+ Sense and Sense Compensate up to 0.4V/wire for wire loss to load
Control On/Off Install jumper to keep the meter display when a-c
is off (powered from load battery)
Meter + and Separate connection for voltmeter
Remote Control Remote on/off
Current Balance For parallel operation
50/60Hz Sets timer for 50Hz or 60Hz
Start and Re-set Equalize mode timer
Charging Stopped Flag signal
Power on Flag signal
Equalize Flag signal
INTERNAL PROTECTION
Overvoltage Sense Turns off power
Undervoltage Sense Turns off power
OUTLINE DIMENSIONAL DRAWINGS (less than 70% for 20 sec)
Fractional dimensions in light face type are in inches.
dimensions in bold face type are in millimeters. Overtemperature Turns off power
Tolerance: ± 1/64" (0.4) between mounting holes Fan Stop Turns off power
± 1/32" (0.8) other dimensions
RACK MOUNT MODELS WALL MOUNT MODELS
FRONT VIEW
FRONT VIEW SIDE VIEW
FRONT VIEW
BOTTOM VIEW
DETAIL "A"
AN ISO 9001 COMPANY
BOTTOM VIEW
CompuMess Elektronik GmbH · Lise-Meitner-Str.1 · 85716 Unterschleissheim
76 Tel 089-321501-0 · Fax 089-321501-11 · www.compumess.de · www.netzteile.de