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LM2540-7H

Description
AC/DC CONVERTER 15V 15V 50W
CategoryPower/power management   
File Size2MB,26 Pages
ManufacturerBel
Websitehttp://www.belfuse.com
Environmental Compliance
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LM2540-7H Overview

AC/DC CONVERTER 15V 15V 50W

LM2540-7H Parametric

Parameter NameAttribute value
typeSealed, conformal coating
Number of outputs2
Voltage - input85 ~ 264 VAC
Voltage - Output 115V
Voltage - Output 215V
Voltage - Output 3-
Voltage - Output 4-
Current - Output (maximum)1.7A,1.7A
Power (W)50W
applicationITE (Business)
Voltage - Isolation2.8kV
efficiency80%
Operating temperature-25°C ~ 71°C
characteristicAdjustable output, DC input capability, remote switch, universal input
Installation typeBase installation
size/dimensions6.63" long x 4.38" wide x 1.52" high (168.5mm x 111.2mm x 38.7mm)
Minimum load requirednone
ApprovalCE,cCSAus,cURus
M Series Data Sheet
50 Watt DC-DC and AC-DC Converters
Features
• Extremly wide operating input voltage ranges from 8 to
385 VDC and 85 to 264 VAC, 47 to 440 Hz
• RoHS lead-free-solder and lead-solder-exempted
products available
5 year warranty for RoHS compliant products with an
extended temperature range
• Class I equipment
• Input over- and undervoltage lockout
• 1, 2, or 3 individually isolated outputs up to 72 V
• Outputs: SELV, no load, overload, short-circuit proof,
rectangular current limiting characteristic
• Adjustable output voltages with remote on/off
• Immunity according to IEC/EN 61000-4-2, -3, -4, -5, -6
• Emissions according to EN 55011/55022
111
4.37"
3U
168
6.6"
• According to EN 45545 and NF-F-16 (Version V107 or
later)
• All PCBs boards coated by protective lacquer
• Very high reliability
• Battery charger models available
Safety-approved to the latest edition of IEC/EN 60950-1
and UL/CSA 60950-1
39
1.54"
8 TE
Description
The M Series of DC-DC and AC-DC converters represents a
broad and flexible range of power supplies for use in advanced
industrial electronic systems. Features include high efficiency,
reliability, low output voltage noise and excellent dynamic
response to load/line changes due to individual regulation of
each output.
The converter inputs are protected against surges and
transients
occurring
at the source lines. An input over- and
undervoltage lockout circuit disables the outputs, if the input
voltage is outside the specified range. An inrush current
limitation prevents circuit breakers and fuses from tripping at
switch-on.
All outputs are open- and short-circuit proof, and are protected
against overvoltages by means of built-in suppressor diodes.
The outputs can be inhibited by a logic signal applied to the
connector (pin 2). If the inhibit function is not used, pin 2 should
be connected to pin 23 to enable the outputs.
LED indicators display the status of the converter and allow
visual monitoring of the system at any time.
Full input to output, input to case, output to case, and output to
output isolation is provided.
The case design allows operation at nominal load up to 71 °C
in a free-air ambient temperature. If forced cooling is provided,
the ambient temperature may exceed 71 °C but the case
temperature should remain below 95 °C under all conditions.
A temperature sensor generates an inhibit signal, which
disables the outputs, when the case temperature
T
C
exceeds
the limit. The outputs automatically recover, when the
temperature drops below the limit.
Various options are available to adapt the converters to
individual applications.
The converters may either be plugged into a 19" rack system
according to IEC 60927-3 or be mounted onto a chassis or a
plate.
Table of Contents
Page
Page
Electromagnetic Compatibility (EMC) .................................. 14
Immunity to Environmental Conditions ................................ 16
Mechanical Data .................................................................. 17
Safety and Installation Instructions ...................................... 18
Description of Options ......................................................... 20
Accessories .......................................................................... 26
Description ............................................................................. 1
Model Selection ..................................................................... 2
Functional Description ........................................................... 5
Electrical Input Data ............................................................... 6
Electrical Output Data ............................................................ 8
Auxiliary Functions ............................................................... 11
Copyright © 2018, Bel Power Solutions Inc. All rights reserved.
BCD20018-G Rev AE1, 16-Apr-2018
MELCHER
The Power Partners.
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