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12V 24V to 48V 20A 960W DC-DC CONVERTER, NON-ISOLATED
FEATURES
Wide input voltage from 11V to 32V
Stable output voltage is 48V
100% full rated power
100% full stable output Current
High efficiency up to 95%
IP68 waterproof, Epoxy potting, Anti-vibration, Dustproof
Cooling by free air convection
Surface mountable
2 years warranty
Over current protection, Over voltage protection
Over temperature shutdown, Output short circuit protection
According to: EN 61000-6-3:2007/A1:2011/AC:2012 EN 55014-1:2006/A2:2011 EN 60950-1:2006/AC:2011
model
input voltage
range
(Vdc)
output
voltage
(Vdc)
output current
typ
(A)
output power
max
(W)
ripple and noise
typ
(mVp-p)
efficiency
typ
( % )
H20-1224-48
11-32
48
20
960
120
95
Note: All specifications measured at 25°C, nominal input voltage, and full load unless otherwise noted.
INPUT
Parameter
Test conditions or description
Min
Typ
Max
Units
operating input voltage
12/24 V input
11
12/24
32
Vdc
OUTPUT
Parameter
Test conditions or description
Min
Typ
Max
Units
line regulation
measured from high line to low line
±0.2
%
load regulation
measured from full load to zero load
±0.2
%
voltage accuracy
±1.5
%
adjust range
47.9
48
48.1
V
temperature coefficient
±0.03
%/°C
PROTECTIONS
Parameter
Test conditions or description
Min
Typ
Max
Units
output over voltage protection
%Vo
115
140
%
current limit
% nominal output current
110
120
130
%
thermal shutdown case temp.
85
°C
cooling
free air convection
fuse
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SAFETY AND COMPLIANCE
Parameter
Test conditions or description
Min
Typ
Max
Units
safety approvals
EN 61000-6-3:2007/A1:2011/AC:2012
EN 55014-1:2006/A2:2011 EN 60950-1:2006/AC:2011
enclosures
IP68
ENVIRONMENTAL
Parameter
Test conditions or description
Min
Typ
Max
Units
case operating temperature
-40
25
85
°C
Ambient temperature
-20
60
°C
storage temperature
-40
105
°C
humidity
non-condensing
95
%
MECHANICAL
Parameter
Test conditions or description
Min
Typ
Max
Units
dimensions
223 x 127.4 x 63
mm
case material
aluminum
weight
2200
grams
Package
1pcs/box, 9pcs/carton
Carton measurement
47*30.7*32.8cm
cm
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PHOTOS
INPUT+ TO BATTERY+
GND TO BATTERY-
OUTPUT+ TO LOAD+
GND TO LOAD-
Notes: Never reverse the input polarity, or it
burns the converter.
MECHANICAL DRAWING
Units: mm
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Notes:
• Input power should be lithium / lead acid battery
• Be sure of the correct polarity of input and output connection, or it burns the converter.
• Please install correct fuse in input cable
• Please choose the enough big copper cable to avoid voltage drop, the input AWG#3 should
be less than 1M and output AWG#12 cable should be less 2m. If long cable, then bigger cable
required.
• Please don’t install any other devices between converter to battery and converter to loads.
• Keep good air convection
• Never reverse the input polarity or it damages your fuses or converter.
REVISION HISTORY
rev.
description
date
1.0
initial release
5/4/2014
2.0
revision
November 21, 2017
Issued by Shenzhen Daygreen Technology Co. LTD
4/F, Bldg.3, Jin Yuda Ind. Zone Shajing, Baoan
Shenzhen GD 518125
China
Tel: 86 755 2331 3263
info@daygreen.com
sales@daygreen.com
www.daygreen.com
Power conversion solutions from 1W to 200kW
