LDC240 Series is a single phase, ultra compact DIN Rail Switching
Power Supply with active PFC, ideal for many applications.
Its compact size, high efficiency, excellent reliability together with easy
installation makes it ideal for various industrial applications.
LDC240 Series is Class I isolation device suitable for SELV and PELV
circuitry (up to 48 VDC models) and is designed to be mounted on DIN
rail and installed inside a protective enclosure.
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High efficiency and extremely compact size
Only 40 mm width aluminum enclosure
Active PFC
Overload 150%
Constant current or hiccup mode limitation, user settable
Wide range of output voltage
Easy parallelable for power increase
Up to 70°C operating temperature with no derating
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Industrial Control
Communication
Instrumentation Equipment
LDC240 Series
2
LDC240-12
LDC240-12P
LDC240-12H*
LDC240-24
LDC240-24P
LDC240-24H*
LDC240-36
LDC240-36P
LDC240-36H*
LDC240-48P
LDC240-48H*
LDC240-72P
LDC240-72H*
120 - 240 VAC (110 - 345 VDC)
120 - 240 VAC (110 - 345 VDC)
48 VDC
72 VDC
5A
3.3 A
120 - 240 VAC (110 - 345 VDC))
36 VDC
7A
Includes internal ORing diode
Enhanced transient overvoltage protection (> 6kV)
Includes internal ORing diode
Enhanced transient overvoltage protection (> 6kV)
Includes internal ORing diode
Enhanced transient overvoltage protection (> 6kV)
120 - 240 VAC (110 - 345 VDC)
24 VDC
10 A
Includes internal ORing diode
Enhanced transient overvoltage protection (> 6kV)
120 - 240 VAC (110 - 345 VDC)
12 VDC
15 A
Includes internal ORing diode
Enhanced transient overvoltage protection (> 6kV)
* For models with suffix H consult factory.
Technical parameters are typical, measured in laboratory environment at 25°C and 240 VAC / 50 Hz, at nominal values, after minimum
5 minutes of operation.
Input AC Voltage Range
Input DC Voltage Range
Input Frequency Range
Rated, UL certified
Operating
Rated
120
–
240 VAC
90 - 264 VAC
110 - 345 VDC
47 - 63 Hz
Input AC Current
Input DC Current
LDC240-12 / LDC240-24
LDC240-36
LDC240-48 / LDC240-72
LDC240-12 / LDC240-24
LDC240-36
LDC240-48 / LDC240-72
LDC240-12
LDC240-24
LDC240-36
LDC240-48 / LDC240-72
LDC240-12
LDC240-24
LDC240-36
LDC240-48 / LDC240-72
Active
Vin = 120 VAC
Vin = 240 VAC
Vin = 110 VDC
Vin = 345 VDC
2.4 A
3.0 A
2.4 A
1.2 A
1.5 A
1.2 A
2.5 A
2.6 A
2.5 A
2.6 A
1.2 A
0.9 A
1.2 A
0.9 A
> 0.9
≤
50 A
≤ 0.6 mA
Power Factor Correction
Inrush Peak Current
Touch (Leakage) Current
Internal Protection Fuse
Recommended External Protection
Not user replaceable
It is strongly recommended to provide external surge
arresters (SPD) according to local regulations.
6.3 AT
Fuse 10 AT or MCB 10 A C curve
1
Models with suffix H and LDC240-36P are not UL508 certified.
Asia-Pacific
+86 755 298 85888
Europe, Middle East
+353 61 225 977
North America
+1 408 785 5200
BCD.00756_AC
© 2018 Bel Power Solutions & Protection
LDC240 Series
3
Output Power
Rated Voltage
(Adjustable Output Voltage Range)
240 W
LDC240-12
12 VDC (12 - 15 VDC)
LDC240-24
24 VDC (22 - 29 VDC)
LDC240-36
36 VDC (32 - 40 VDC)
LDC240-48
48 VDC (45 - 55 VDC)
LDC240-72
72 VDC (70 - 85 VDC)
LDC240-12
15 A
LDC240-24
10 A
LDC240-36
7.5 A
LDC240-48
5A
LDC240-72
3.3 A
LDC240-12
17 A
LDC240-24
11 A
LDC240-36
7.5 A
LDC240-48
7A
LDC240-72
4A
LDC240-12
20 A
LDC240-24
15 A
LDC240-36
10 A
LDC240-48
8.5 A
LDC240-72
5.5 A
LDC240-12
≤
2%
LDC240-24 / LDC240-36 / LDC240-48 / LDC240-72
≤
1%
LDC240-12
≤
160 mVpp
LDC240-24 / LDC240-36
≤
260 mVpp
LDC240-48
≤
400 mVpp
LDC240-72
≤
550 mVpp
LDC240-12
≥
25 ms
LDC240-24 / LDC240-48
≥
20 ms
LDC240-36 / LDC240-72
≥
15 ms
Overload, short circuit, with constant current or hiccup mode (user settable)
Thermal protection
Input undervoltage lockout
Output overvoltage
≥
18 VDC
LDC240-12
≥
33 VDC
LDC240-24
≥
51 VDC
LDC240-36
LDC240-48
≥
68 VDC
LDC240-72
≥
100 VDC
DC OK - green LED
OVERLOAD - red LED
DC OK - dry contact (NO, 24 VDC / 1 A)
Possible for power or redundancy (with external ORing module)
P (models) - include internal ORing circuit
LDC240-12
> 90%
LDC240-24 / LDC240-36
> 93%
LDC240-48 / LDC240-72
> 93.5%
LDC240-12
< 25 W
LDC240-24 / LDC240-36
< 19 W
LDC240-48 / LDC240-72
< 17 W
Continuous Current
Overload Limit (Constant Current Mode)
Overload Limit (Hiccup mode) (max. 5 s)
Load Regulation
Ripple & Noise
2
Hold up Time
Protections
Output Over Voltage Protection
Status Signals
Parallel Connection
3
Efficiency
Dissipated Power
NOTE:
Power rating, losses, efficiency, ripple, thermal behaviour and start-up may change outside of the nominal rated input range.
Contact factory for details.
2
3
Ripple and Noise are measured with 20MHz bandwidth, probe terminated with a 0.1μF MKP parallel capacitor.
Pay attention, set the current limitation mode jumper on C.C. mode when connecting more units in parallel.
Asia-Pacific
+86 755 298 85888
Europe, Middle East
+353 61 225 977
North America
+1 408 785 5200
BCD.00756_AC
© 2018 Bel Power Solutions & Protection
LDC240 Series
4
Operating Temperature
4
Storage Temperature
Derating
Humidity
Life Time Expectancy
MTBF
Overvoltage Category
Pollution Degree
Protection Class
Isolation Voltage
UL certificated up to 70°C
- 40° to + 70°C
- 40° to + 80°C
No derating
Non condensing
At 25°C ambient, full load
MIL-HDBK-217F, at 25°C ambient full load
EN50178
IEC60664-1
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
5 - 95% RH
221288 h (25.2 years)
> 600'000 h
III
2
Class I
4.2 kVDC
2.2 kVDC
0.75 kVDC
Safety Standards & Approvals
Emission
EMC Standards
Immunity
Class B
Class B
Class A
Level 3
Level 3
Level 4
Level 4
Level 2
IP20
5-17.8 Hz: ±1.6 mm; 17.8-500 Hz:
2 g 2 Hours / axis (X,Y,Z)
30 g 6 ms, 20 g 11 ms;
3 bumps / direction, 18 bumps total
Protection Degree
Vibration Sinusoidal
Shock
Weight
Dimensions (W x H x D)
Mounting Rail
Connection Terminals
Case Material
2.5 mm², screw type pluggable (24 - 12 AWG)
Aluminum
600 g
40 x 115 x 110 mm
IEC 60715/H15/TH35-7.5(-15)
4
Start-up type tested: - 40°C, possible at nominal voltage with load deration
Asia-Pacific
+86 755 298 85888
Europe, Middle East
+353 61 225 977
North America
+1 408 785 5200
BCD.00756_AC
© 2018 Bel Power Solutions & Protection
LDC240 Series
5
1
2
3
4
5
6
7
AC/DC input
DC output (load)
Diagnostic Output (dry contact, NC output OK)
Green LED: Output OK
Red LED: Overload
Output voltage adjustment
Selectable limitation mode (Hiccup mode, C.C. mode)
INPUT CONNECTION
Single phase:
L = Line
N = Neutral
= Earth ground
DC:
L = + Positive DC
N = - Negative DC
= Earth ground
OUTPUT CONNECTION
+ = Positive DC
- = Negative DC
Signaling:
DC OK: dry contact
NO
COM
Figure 1. Mechanical Drawing
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.
Asia-Pacific
+86 755 298 85888
Europe, Middle East
+353 61 225 977
North America
+1 408 785 5200
BCD.00756_AC
© 2018 Bel Power Solutions & Protection
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