Data Sheet
GE
CAR1212DC series DC-DC converter
Input: -36VD C to -75VDC; Output: 12VDC @ 1200W; 3.3VDC or 5 VDC @ 1A
Environmental Specifications
Parameter
Ambient Temperature
Min
-106
-40
Typ
Max
70
Units
°C
Notes
Air inlet from sea level to 5,000 feet.
Storage Temperature
85
°C
Operating Altitude
2250/7382
8200/30k
2.5
m / ft
m / ft
%/°C
Non-operating Altitude
Power Derating with Temperature
51°C to 70°C7
Operating Temperature Derating with
Altitude
2.0
°C/305 m
°C/1000 ft
Above 2250/7382 m/ft; 3962/13000 m/ft
max
Acoustic noise
55
dbA
25°C, half load
Humidity
Operating
Storage
30
10
95
95
%
%
Relative humidity, non-condensing
NEBS GR-63-CORE, Level 3, 20 -2000Hz, min
30 minutes
Shock and Vibration acceleration
Earthquake Rating
6
Grms
Zone
NEBS GR-63-CORE, all floors, Seismic Zone 4
Designed and tested to meet NEBS
specifications.
4
EMC Compliance
EMC
Parameter
Criteria
Standard
Level
Test
Conducted emissions
EN55022, FCC Docket 20780 part 15, subpart J
Telcordia GR1089-CORE, Class A
A
0.15 – 30MHz
DC input
Radiated emissions
Voltage dips
EN55022
A
B
B
B
A
A
30 – 10000MHz
-30%, 10ms
EN61000-4-11
-60%, 100ms
-100%, 5sec
DC input
immunity
Voltage surge
Fast transients
EN61000-4-5
2kV, 1.2/50µs, common mode
1kV, 1.2/50µs, differential
mode
EN61000-4-4
EN61000-4-6
B
A
5/50ns, 1kV (common mode)
Conducted RF fields
Radiated RF fields
130dBµV, 0.15-80MHz, 80%
AM
Enclosure
immunity
EN61000-4-3, level 3
ENV50140
A
A
B
10V/m, 80-1000MHz, 80% AM
ESD
EN61000-4-2, level 3
6kV contact, 8kV air
6
Designed to start at an ambient down to -40°C; meet spec after ≅ 30 min warm up period, may not meet operational limits below -10°C.
7
The maximum operational ambient is reduced in Europe in order to meet certain power cord maximum ratings of 70°C. The maximum
operational ambient where 70°C rated power cords are utilized is reduced to 60°C until testing demonstrates that a higher level is acceptable.
October 21, 2013
©2013 General Electric Company. All rights reserved.
Page 6
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