Table 1. model krr 12-40 specifications, Ii — specifications – KEPCO KRR 12-40 Railroad Battery Charger User Manual
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011906
KEPCO, INC. " 131-38 SANFORD AVENUE " FLUSHING, NY. 11352 U.S.A. " TEL (718) 461-7000 " FAX (718) 767-1102
http://www.kepcopower.com " email: [email protected]
II — SPECIFICATIONS
Specifications listed in Table 1 are at nominal input voltages and at 25°C unless otherwise specified.
TABLE 1. MODEL KRR 12-40 SPECIFICATIONS
SPECIFICATION
DESCRIPTION/CONDITION
RATING
Input Voltage
Nominal
100V a-c to 240V a-c
Range
85V a-c to 265V a-c
Nominal Frequency
50Hz/60Hz
Frequency Range
47Hz to 66Hz
Input Current
100V a-c to 120V a-c
8.4A a-c max.
200V a-c to 240V a-c
4.2A a-c max.
Surge, cold start, interval > 30 sec
100V a-c to 120V a-c
30A p-p max.
Surge, cold start, interval > 30 sec
200V a-c to 240V a-c
60A p-p max.
Power Factor
Rated input, rated output
0.99 typical
Efficiency
100V a-c Input
80%
240V a-c Input
84%
Leakage Current:
Per IEC 950 and UL 1950
0.75mA a-c max.
Output Voltage
Factory set to 13.50V d-c,
Adjustable range: 10.5-18.0V d-c
Output Current
Nominal @ 15V d-c Output
Ta = -10°C to 50°C, derates for Ta > 50°C
43A d-c
Short circuit value
51A d-c
Output Power
Ta = -10°C to 50°C, derates for Ta > 50°C
645W
Output Voltage
Ripple & Noise
(1)
Ripple
150mV p-p
Noise
200mV p-p
Stabilization
Source Effect
(85 to 132 V a-c and 170 to 265V a-c)
0.2% maximum
Load effect (at sensing terminals)
0.4% maximum
Temperature effect (–10° to 65°C)
1.0% maximum
Time effect (8 hours at 25°C)
0.5% maximum
Output Voltage
Temperature Compensation
Use optional temperature compensation probe
supplied 0°C to +50°C for Lead-Acid battery
3mV/(°F)(cell), 5.4mV/(°C)(cell)
Output Protection
(2)
Overvoltage
25V d-c max.
Overcurrent (internal > 30 sec)
51A d-c
Internal Overtemperature
Fan Failure
Battery Reversed
Output changed to -0.7V d-c
Output disconnected for output current > 50A d-c
Front Panel Display
Analog meter for output (charging) current
0 to 50A d-c, 5% accuracy
“Charger ON” LED
Green indicates charger is operational
“Temp Probe Error” LED
Yellow indicates that the probe is not
connected or not operational
Operation Temperature
Output performance derated above 50°C and
below 0°C
-10°C to +65°C
Storage Temperature
-30°C to 75°C
Cooling
Forced air flow - one fan
(exhaust to the left side)
Weight
9.0 lbs. (4.1 Kg.)
Dimensions
7.25 in (H). x 11.14 in. (W) x 9 in. (D)
184.2mm (H) x 283 (W) x 228.6 (D)