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DATASHEET
Rev. A
DCHF800W SERIES
2:1 Input Voltage Range
24, 30, & 48 VDC Single Outputs
810~840W Output Power
DC/DC Chassis Mount Power Converters
FEATURES
 RoHS Compliant
 810~840W Output Power
 ±10% Voltage Adjustment Range
 24V, 30V, and 48V Output Voltages Available
 Cooling Fan
 100% Full Load Burn-in Tested
 2:1 Input Voltage Range
 Dimensions: 9.84 x 6.30 x 3.43 Inches
 High Reliability
 Short Circuit, Over Voltage, Over Current, and Over
 Built-in EMI Filter
Temperature Protected
DESCRIPTION
The DCHF800W series of DC/DC power converters offers output power from 810W to 840W in a 9.84” x 6.30”
x 3.43” enclosed case. This series has 2:1 input voltage ranges of 36-72VDC and 72-144VDC and 24V, 30V,
and 48VDC single outputs available. Some features include ±10% output adjustability, cooling fan, and a built-in
EMI filter. These supplies are RoHS compliant and are 100% full load burn-in tested. All models are protected
against short circuit, over voltage, over current, and over temperature conditions.
01/24/2011
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 1 of 4
DCHF800W Series
2:1 Input Voltage Range
810~840W, Single Outputs
DC/DC Chassis Mount Converters
Rev. A
SPECIFICATIONS: DCHF800W Series
All specifications are based on 25°C, Nominal Input Voltage, and Maximum Output Current unless otherwise noted.
We reserve the right to change specifications based on technological advances.
SPECIFICATION
TEST CONDITIONS
Min
Nom
Max
48VDC nominal input models
36
48
72
110VDC nominal input models
72
110
144
Unit
INPUT SPECIFICATIONS
Input Voltage Range
VDC
OUTPUT SPECIFICATIONS
Output Voltage
See Table
Output Voltage Adjustment Range
Line Regulation
Full load
-10
+10
%
≤ -0.5
≤ +0.5
%
Load Regulation
0.5
%
Output Current
See Table
Output Power
See Table
Ripple & Noise
1.0
%
PROTECTION
Over Voltage Protection
115
150
% Vo
Over Current Protection
110
130
% Io
Short Circuit Protection
yes
Over Temperature Protection
yes
GENERAL SPECIFICATIONS
Efficiency
See Table
Input to Output
Withstand Voltage
Input to FG
Isolation Resistance
1000
All for 1 minute
VDC
1000
Output to FG
500
At 500VDC
100
MΩ
ENVIRONMENTAL SPECIFICATIONS
Operating Temperature
-10
+50
°C
Operating Humidity (non-condensing)
20
90
% RH
Storage Temperature
-20
+85
°C
Storage Humidity (non-condensing)
20
95
% RH
Cooling Method
fan
PHYSICAL SPECIFICATIONS
9.84 x 6.30 x 3.43 inches
(250 x 160 x 87 mm)
6.4 lbs (2.90Kg)
Dimensions (L x W x H)
Weight
SAFETY & EMC CHARACTERISTICS
Safety Standards
Design refer to LVD
EMC Standards
Design refer to EN55022, EN61000-4
01/24/2011
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 2 of 4
DCHF800W Series
2:1 Input Voltage Range
810~840W, Single Outputs
DC/DC Chassis Mount Converters
Rev. A
MODEL SELECTION TABLE
Model Number
Input Voltage
Output Voltage Output Current Ripple & Noise
DCHF800W-SD48-24
Output Power
Efficiency
24 VDC
35A
240mV
840W
82%
30 VDC
27A
300mV
810W
83%
DCHF800W-SD48-48
48 VDC
17A
480mV
816W
84%
DCHF800W-SD110-24
24 VDC
35A
240mV
840W
82%
30 VDC
27A
300mV
810W
83%
48 VDC
17A
480mV
816W
84%
48 VDC
(36 - 72 VDC)
DCHF800W-SD48-30
110 VDC
(72 - 144 VDC)
DCHF800W-SD110-30
DCHF800W-SD110-48
MECHANICAL DRAWING
Unit: inches (mm)
2.20 (56)
7.74 (196.5)
4 - M4
4.33 (110)
6.30 (160)
0.59
(15)
3.43 (87)
1.22 (31)
6.30 (160)
2.48 (63)
4 - M4
9.84 (250)
01/24/2011
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 3 of 4
Rev. A
DCHF800W Series
2:1 Input Voltage Range
810~840W, Single Outputs
DC/DC Chassis Mount Converters
COMPANY INFORMATION
Wall Industries, Inc. has created custom and modified units for over 50 years. Our in-house research and development
engineers will provide a solution that exceeds your performance requirements on-time and on budget. Our ISO9001-2008
certification is just one example of our commitment to producing a high quality, well-documented product for our customers.
Our past projects demonstrate our commitment to you, our customer. Wall Industries, Inc. has a reputation for working
closely with its customers to ensure each solution meets or exceeds form, fit and function requirements. We will continue to
provide ongoing support for your project above and beyond the design and production phases. Give us a call today to discuss
your future projects.
Contact Wall Industries for further information:
Phone:
Toll Free:
Fax:
E-mail:
Web:
Address:
01/24/2011
(603)778-2300
(888)587-9255
(603)778-9797
sales@wallindustries.com
www.wallindustries.com
5 Watson Brook Rd.
Exeter, NH 03833
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 4 of 4