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DATASHEET
Rev. B
DCHF500 SERIES
2:1 & 4:1 Input Voltage Ranges
12 & 24 VDC Single Outputs
480~504W Output Power
DC/DC Chassis Mount Power Converters
FEATURES
 RoHS Compliant
 480~504W Output Power
 ±10% Voltage Adjustment Range
 12VDC and 24VDC Single Outputs Voltages
 2:1 & 4:1 Input Voltage Ranges
 100% Full Load Burn-in Tested
 Built-in Fan
 Dimensions: 8.46 x 4.53 x 1.97 Inches
 Built-in Remote Sense (Option)
 Short Circuit, Over Voltage, Over Load, and Over
 Remote ON/OFF Control (Option)
Temperature Protected
DESCRIPTION
The DCHF500 series of DC/DC power converters offers up to 504W output power in an 8.46 x 4.53 x 1.97 enclosed case.
This series has 12VDC and 24VDC single output models with either a 2:1 input voltage range of 72-144VDC or a 4:1
input voltage range of 19-72VDC. Some features include ±10% output adjustability, remote sense (optional), remote
ON/OFF control (optional), and a built-in fan. These supplies are RoHS compliant and are protected against short circuit,
over voltage, over load, and over temperature conditions. All supplies in this series are 100% full load burn-in tested.
06/10/2011
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 1 of 5
DCHF500 Series
480~504W, Single Output
2:1 & 4:1 Input Voltage Ranges
DC/DC Chassis Mount Converters
Rev. B
SPECIFICATIONS: DCHF500 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
19
48
72
110VDC nominal input models
72
110
144
Unit
INPUT SPECIFICATIONS
Input Voltage Range
Remote ON/OFF Control
VDC
optional
OUTPUT SPECIFICATIONS
Output Voltage
See Table
Output Voltage Adjustment Range
Line Regulation
Full load
Load Regulation
-10
+10
%
≤ -0.5
≤ +0.5
%
≤ -0.5
≤ +0.5
%
Output Current
See Table
Output Power
See Table
Ripple & Noise
150
Remote Sense
mVp-p
optional
PROTECTION
Over Voltage Protection
115
150
% Vo
Over Load 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
Storage Temperature
-20
+85
°C
Cooling Method
fan
PHYSICAL SPECIFICATIONS
Dimensions (L x W x H)
8.46 x 4.53 x 1.97 inches (215 x 115 x 50 mm)
Weight
2.4 lbs (1100g)
SAFETY & EMC CHARACTERISTICS
Safety Standards
Design refer to LVD
EMC Standards
Design refer to EN55022, EN61000-4
06/10/2011
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 2 of 5
DCHF500 Series
480~504W, Single Output
2:1 & 4:1 Input Voltage Ranges
DC/DC Chassis Mount Converters
Rev. B
MODEL SELECTION TABLE
Model Number
Input Voltage
DCHF500W-SMD48-12
Output Voltage Output Current
48 VDC
(19 - 72 VDC)
DCHF500W-SMD48-24
DCHF500W-SMD110-12
DCHF500W-SMD110-24
110 VDC
(72 - 144 VDC)
Ripple & Noise
Output Power
Efficiency
12 VDC
40.0 A
150mVp-p
480W
86%
24 VDC
21.0 A
150mVp-p
504W
88%
12 VDC
40.0 A
150mVp-p
480W
87%
24 VDC
21.0 A
150mVp-p
504W
89%
MECHANICAL DRAWING
Unit: inches (mm)
8.46 (215)
4 - M4
1.08 (27.5)
1.97 (50)
5.91 (150)
0.49
(12.5) 0.98 (25)
1.28 (32.5)
6.99 (177.5)
1.28 (32.5)
1.44 (36.5)
1.91 (48.5)
5.91 (150)
06/10/2011
4.53 (115)
3.74 (95)
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
0.39
(10)
6 - M3
1.99 (50.5)
1.08 (27.5)
4.63 (117.5)
1.28 (32.5)
0.33
(8.5)
1.97 (50)
4 - M4
Page 3 of 5
DCHF500 Series
480~504W, Single Output
2:1 & 4:1 Input Voltage Ranges
DC/DC Chassis Mount Converters
Rev. B
PIN CONNECTIONS
Unit: inches (mm)
8.46 (215)
0.43 0.18
(11) (4.5)
1.28 (32.5)
5.91 (150)
1
2
4 - M4
1.97 (50)
4
4.53 (115)
3
5
6
7
PIN CONNECTIONS
1.28 (32.5)
5.91 (150)
1.97 (50)
0.49
(12.5) 0.98 (25)
4 - M4
Pin No
Assignment
1, 2
DC Output (V+)
3, 4
DC Output (V-)
5
FG
6
DC Input (V+)
7
DC Input (V-)
Screw Size: M4*6
DC
OUTPUT
+V
+V
-V
DC
INPUT
-V
06/10/2011
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 4 of 5
Rev. B
DCHF500 Series
480~504W, Single Output
2:1 & 4:1 Input Voltage Ranges
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:
06/10/2011
(603)778-2300
(888)597-9255
(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 5 of 5