3.0 KW
180-264VAC
ETN-SX
SERIES
Model
ETN24SX
ETN26SX
ETN28SX
ETN48SX
24V
26V
28V
48V
Output
125A
115A
107A
63A
Efficiency
85%
85%
85%
85%
DESCRIPTION
The High Power PFC isolated Front Ends provide 24, 26, 28 and
48VDC single output. Complete front-end solutions for driving
high density DC to DC modules in distributed Power Systems
with (N+1) redundancy. Meeting international safety and EMI
standards, this ET series provides high reliable and rugged
compact power with DMTBF over 500,000 hours.
ELECTRICAL SPECIFICATIONS
INPUTS
RANGE: Full input Range 180 to 264 VAC.
FREQUENCY: 43 to 63Hz.
INRUSH CURRENT: 25A averaged over ½ cycle
HARMONIC CURRENT: <5%
EFFICIENCY: 80% to 85% (Measured at full load and 208 VAC
Input)
FEATURES
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Power Factor (>0.99)
0 C to +50 C at full load
Standard 5” X 5” X 11.25” envelope
Output Fully Floating
Overcurrent Protection
Overvoltage Protection
Remote Sense
Overtemperature Protection
Self-contained Forced Air Cooling
Meets UL, CSA and VDE Safety
Meets EMI EN88155 Level A
ISO9001 (1997)
OUTPUTS
VOLTAGE: 24, 26, 28, and 48 VDC
CURRENT: See Tables
ADJUSTMENT RANGE: +/ –10% of nominal output voltage.
POLARITY: Output is isolated. It may be referenced plus/minus as
required.
REMOTE SENSING: Compensates for up to 0.5V total loop drop
in the output line.
STATIC REGULATION: Line: +/- 0.25% over full line range.
Load: Option: =/-% zero load to full load. Droop IFE: Option:
the output sags from +5% when the load is increased from 10% to
100%.
VOLTAGE STABILITY: +/-0.1% FOR 24 hour period after 30
minute warm up.
OUTPUTS
TEMP COEFFICIENT: +/-0.02%/ C FROM 0 c TO +50 c. For
Wide Temperature. Option: +/- 0.035%/ C from –30 C to +70 C.
P-P RIPPLE AND NOISE: 1% (20Hz to 50MHz Bandwidth).
MINIMUM LOAD: Not Required.
TURN ON DELAY: 1 sec. Max from application of AC line.
OVER VOLTAGE PROTECTION: 125% +/-5% of nominal. OVP
shutdown is latched until the input line is removed for 5 secs and
then reapplied. OVP sensing is don at the output terminals.
OVERCURRENT PROTECTION: Current l=Limit Point: 110% to
120% of full load.
OPTIONS
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Hot Pluggable
- Diode Isolation
Wide Temp Operation
- Output Current monitor
Power Fall Signal
Logic Inhibit
Single Wire Current Sharing
Power Good Single
ETA-USA Tel:
408-365-7723 Fax: 408-365-7513 e-mail: sales@eta-usa.com
ETN-SX SERIES
ENVIRONMENTAL
OVERTEMPERATURE PROTECTION:
Automatically shuts down and latches the unit in the event of
an over temperature condition. After cool down, power must be
recycled to restart the unit.
AUDIBLE NOISE:
63 dBA max at 1 meter. 70 dBA for high
speed fans. (See Output Tables for units with high speed fan).
TEMPERATURE:
Standard: 0 C to +50 C at full load. Storage:
-55 C to +85 C.
HUMIDITY:
20% to 95% non-condensing.
ALTITUDE:
Operating: 8,000 Ft. Derates to 90% at 10,000 Ft.
Non-Operating at 30,000 feet.
VIBRATION:
Operating: From 5 to 27Hz, 0.02” double
amplitude: from 27 to 500Hz, 0.75G, 3 Axes, 5 min/octave
sweep, dwell 1 min at resonance.
Non-Operating:
From 5 to 17Hz, 0.01” double amplitude: from
17 to 500Hz, 1.5G peak: 3 axes, 5min/octave sweep, dwell 1
min at resonance.
MTBF:
500,000 hours
SHOCK:
Operating: 5G, half sine, 11msec 3 axes. Non-
Operating: 15G half sine, 11 msec, 3 axes.
COOLING:
Forced air, internal fan Airflow normally exits at
connector.
EMI:
Conducted & Radiated EN55022 level A
SAFETY:
Meets UL1950 , CSA1950, and TUV t EN60950.
Factory is an approved BABT manufacturer.
DIMENSIONS:
Weight: 11 lbs.
ETA-USA Tel:
408-365-7723 Fax: 408-365-7513 e-mail: sales@eta-usa.com
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