LDW480 Series are single, two or three phase DIN Rail Switching
Power Supplies with active PFC.
Its compact size, high efficiency, excellent reliability together with easy
installation makes it ideal for various industrial, telecom and renewable
energy applications.
LDW480 Series are Class I isolation devices suitable for SELV and
PELV circuitry (up to 48 VDC models) and are designed to be mounted
on DIN rail and installed inside a protective enclosure.
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High efficiency
Only 73 mm width aluminum enclosure
Single, two or three phase input AC 187
–
550 VAC
Wide DC input range 250
–
725 VDC
Active PFC for optimal efficiency
Compact size
150% overload capability
RoHS Compliant
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Industrial Control
Communication
Instrumentation Equipment
Renewable
2
LDW480 Series
LDW480-24
LDW480-48
LDW480-72
200 - 500 VAC (250 - 725 VDC)
200 - 500 VAC (250 - 725 VDC)
200 - 500 VAC (250 - 725 VDC)
1/2/3
1/2/3
1/2/3
24 VDC
48 VDC
72 VDC
20 A
10 A
6A
No ORing diode
No ORing diode
No ORing diode
Technical parameters are typical, measured in laboratory environment at 25°C and 400 VAC / 50 Hz, at nominal values, after minimum
5 minutes of operation.
Input AC Voltage Range
Input DC Voltage Range
Input Frequency Range
Rated, single, two or three phase, UL certified
Operating
Rated
With single, two or three phase
With single or two phase only
Single or two phase @ 200 VAC
Single or two phase @ 500 VAC
Three phase @ 200 VAC
Three phase @ 500 VAC
Vin = 250 VAC
Vin = 725 VAC
Active
200
–
500 VAC
187 - 550 VAC
250
–
725 VDC
47 - 63 Hz
400 Hz
2.9 A
1.3 A
1.8 A
0.8 A
2.1 A
0.8 A
> 0.9
≤
60 A
≤
0.6 mA
No damage up to 550 VAC / 725 VDC
Input AC Current
Input DC Current
Power Factor Correction
Inrush Peak Current
Touch (Leakage) Current
Continuous Overvoltage Protection
Internal Protection Fuse
Recommended External Protection
None, external fuse must be provided
It is strongly recommended to provide external surge
arresters (SPD) according to local regulations.
Fuse AT 6.3A or MCB 6 A C curve
or 4 A D curve
Output Power
Rated Voltage
(Voltage Adjustment Range)
Continuous Current
LDW480-24
LDW480-48
LDW480-72
LDW480-24
LDW480-48
LDW480-72
LDW480-24
LDW480-48
LDW480-72
LDW480-24
LDW480-48
LDW480-72
LDW480-24 / LDW480-48
LDW480-72
Overload, short circuit: Hiccup mode
Thermal protection
Output overvoltage
Overload Limit
Short Circuit Peak Current
Load Regulation
Ripple & Noise
1
Hold up Time
Protections
480 W
24 VDC (23
–
28 VDC)
48 VDC (45
–
55 VDC)
72 VDC (72
–
85 VDC)
20 A
10 A
6A
28 A
14 A
9A
50 A
25 A
12 A
≤
1%
≤
50 mVpp
≤
100 mVpp
≥
50 ms
tech.support@psbel.com
LDW480 Series
Output Over Voltage Protection
LDW480-24
LDW480-48
LDW480-72
DC OK - green LED
OVERLOAD - red LED
DC OK - dry contact (NO, 24 VDC / 1A)
Possible for redundancy (with external ORing module)
LDW480-24 / LDW480-48
LDW480-72
LDW480-24 / LDW480-48
LDW480-72
≥
33 VDC
≥
68 VDC
≥
100 VDC
3
Status Signals
Parallel Connection
Efficiency
Dissipated Power
1
> 92%
> 91%
< 42 W
< 42.5 W
Ripple and Noise are measured with 20 MHz bandwidth, probe terminated with a 0.1μF MKP parallel capacitor.
NOTE:
Power rating, losses, efficiency, ripple, thermal behaviour and start-up may change outside of the nominal rated input range.
Contact factory for details.
Operating Temperature
Storage Temperature
Derating
Humidity
Life Time Expectancy
Overvoltage Category
Pollution Degree
Protection Class
Isolation Voltage
UL certified up to 45°C
(Start-up type tested: - 40°C)
2
- 40 to + 70°C
- 40º C to + 80º C
- 10 W /° C over 45°C
Non-condensing
At 25°C ambient, full load
5 - 95% RH
65496 h (7.4 years)
III (EN50178)
2 (IEC60664-1)
Class I
4.2 kVDC
2.2 kVDC
0.75 kVDC
Safety Standards & Approvals
Emission
EMC Standards
Immunity
Input to Output
Input to Ground
Output to Ground
UL508 (certified)
EN60950 (reference)
EN50178 (reference)
EN55011 (CISPR11)
EN55022 (CISPR22)
EN61000-3-2
EN61000-4-2
EN61000-4-3
EN61000-4-4
EN61000-4-5
EN61000-4-11
EN60529
IEC 60068-2-6
IEC 60068-2-27
Class A
Class A
Class A
Level 3
Level 3
Level 3
Level 3
Level 2
IP20
IEC 60068-2-6:2007 (5-17.8 Hz: ±1.6 mm;
17.8-500 Hz: 2g 2Hours / axis (X, Y, Z)
IEC 60068-2-27:2008 (30 g 6 ms, 20 g 11 ms;
bumps / direction, 18 bumps total)
Protection Degree
Vibration Sinusoidal
Shock
2
Possible with load derating.
Weight
Dimensions (W x H x D)
Mounting Rail
Connection Terminals
Case Material
Screw type pluggable (24 - 12 AWG)
Aluminum
1000 g
73 x 140 x 125 mm
IEC 60715/H15/TH35-7.5(-15)
2.5 mm²
Asia-Pacific
+86 755 298 85888
Europe, Middle East
+353 61 225 977
North America
+1 408 785 5200
BCD.00721_AC
© 2017 Bel Power Solutions & Protection
4
LDW480 Series
Figure 1. Mechanical Drawing
PIN
1
2
3
4
5
6
DESCRIPTION
AC/DC input
DC output (load)
Diagnostic Output
(dry contact, NC output OK)
Green LED: Output OK
Red LED: Overload
Output voltage adjustment
INPUT CONNECTION
Single phase:
L = Line
N = Neutral
= Earth ground
2 phase:
L1 = Phase 1
L2 = Phase 2
= Earth ground
3 phase:
L1 = Phase 1
L2 = Phase 2
L3 = Phase 3
= Earth ground
DC:
L1(L) = + Positive DC
L2(N) = - Negative DC
L3 = do not connect
= Earth ground
OUTPUT CONNECTION
+ = Positive DC
- = Negative DC
Signaling:
DC OK: dry contact
NO
COM
NUCLEAR AND MEDICAL APPLICATIONS
- Products are not designed or intended for use as critical components in life support systems,
equipment used in hazardous environments, or nuclear control systems.
TECHNICAL REVISIONS
- The appearance of products, including safety agency certifications pictured on labels, may change depending on the
date manufactured. Specifications are subject to change without notice.
tech.support@psbel.com
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