Bel LDD120-4812 120w din rail dc/dc converter Datasheet

The LDD family of DC/DC converters is an optimal response to the
applications where compactness and high reliability are requested. All
are isolated and offer a wide range of input voltages.
Simple but elegant look and easy installation make them ideal for
various industrial applications.

High efficiency and compact size

Isolated topology

Wide Input voltage range

Overload 125%

Up to 50°C operating temperature with no derating

Industrial machine control

Process control

Energy management

Remote control systems
LDD120 Series
2
LDD120-1212
12 VDC (10.5 - 18 VDC)
14 A - 8.0 A
12 VDC
7A
LDD120-1224
12 VDC (10.5 - 18 VDC)
15.5 A - 9.0 A
24 VDC
5A
LDD120-1248
12 VDC (10.5 - 18 VDC)
15.5 A - 9.0 A
48 VDC
2.5 A
LDD120-2412
24 VDC (18 - 36 VDC)
7.5 A - 3.8 A
12 VDC
7A
LDD120-2424
24 VDC (18 - 36 VDC)
8.5 A - 4.3 A
24 VDC
5A
LDD120-4812
48 VDC (36 - 72 VDC)
4.5 A - 2.5 A
12 VDC
8A
LDD120-4824
48 VDC (36 - 72 VDC)
4.3 A - 2.2 A
24 VDC
5A
Technical parameters are typical, measured in laboratory environment at 25°C and nom. values, after min. 5 minutes of operation.
PARAMETER
Input DC Voltage Range
Input DC Current
Input Overvoltage Protection (active)
Internal Protection Fuse
(not user replaceable)
Recommended External Protection
(use DC rated devices)
DESCRIPTION / CONDITION
SPECIFICATION
LDD120-1212 / LDD120-1224 / LDD120-1248
LDD120-2412 / LDD120-2424
LDD120-4812 / LDD120-4824
Vin = Min
LDD120-1212
Vin = Max
Vin = Min
LDD120-1224 / LDD120-1248
Vin = Max
Vin = Min
LDD120-2412
Vin = Max
Vin = Min
LDD120-2424
Vin = Max
Vin = Min
LDD120-4812
Vin = Max
Vin = Min
LDD120-4824
Vin = Max
LDD120-1212 / LDD120-1224 / LDD120-1248
LDD120-2412 / LDD120-2424
LDD120-4812 / LDD120-4824
LDD120-1212 / LDD120-1224 / LDD120-1248
LDD120-2412 / LDD120-2424
LDD120-4812
LDD120-4824
12 VDC (10.5 - 18 VDC)
24 VDC (18 - 36 VDC)
48 VDC (36 - 72 VDC)
14 A
8.0 A
15.5 A
9.0 A
7.5 A
3.8 A
8.5 A
4.3 A
4.5 A
2.5 A
4.3 A
2.2 A
19 VDC
38 VDC
76 VDC
Fuse 20 AT
Fuse 10 AT
Fuse 8 AT
Fuse 5 AT
> MCB 25 A C curve
> MCB 13 A C curve
> MCB 6 A C curve
LDD120-1212 / LDD120-1224 / LDD120-1248
LDD120-2412 / LDD120-2424
LDD120-4812 / LDD120-4824
[email protected]
LDD120 Series
3
Output Power
LDD120-1212 / LDD120-2412 / LDD120-4812
LDD120-1224 / LDD120-2424 / LDD120-4824
LDD120-1248
LDD120-1212
LDD120-1224
LDD120-1248
LDD120-2412
LDD120-2424
LDD120-4812
LDD120-4824
LDD120-1212
LDD120-1224
LDD120-1248
LDD120-2412
LDD120-2424
LDD120-4812
LDD120-4824
LDD120-1212 / LDD120-1224
LDD120-1248
LDD120-2412
LDD120-2424
LDD120-4812
LDD120-4824
LDD120-1212 / LDD120-1224 / LDD120-1248 / LDD120-2412
/ LDD120-2424 / LDD120-4812
LDD120-4824
LDD120-1212 / LDD120-1224 / LDD120-1248
LDD120-2412
LDD120-2424 / LDD120-4812
LDD120-4824
LDD120-1212
Rated Voltage
(Adjustable Voltage Range)
Continuous Current
Overload Limit
Short Circuit Peak Current
Load Regulation
Ripple & Noise1
Hold up Time
Output Over Voltage Protection
Parallel Connection
Protections
Status Signals
Efficiency
Dissipated Power
1

LDD120-1224 / LDD120-1248 / LDD120-2412 / LDD120-2424
LDD120-4812
LDD120-4824
LDD120-1212 / LDD120-2412 / LDD120-4812
LDD120-1224 / LDD120-2424 / LDD120-4824
LDD120-1248
Possible for redundancy (with external ORing module)
Overload/short circuit: Hiccup mode
Thermal protection
Output overvoltage
DC OK - Green LED (all models)
OVERLOAD - Status Signals red LED (LDD120-4812 only)
DC OK dry contact (NO, 24 VDC / 1 A) (LDD120-4812 only)
LDD120-1212
LDD120-1224
LDD120-1248
LDD120-2412 / LDD120-2424
LDD120-4812 / LDD120-4824
LDD120-1212
LDD120-1224
LDD120-1248
LDD120-2412
LDD120-2424
LDD120-4812
LDD120-4824
120 W
12 VDC (12 - 15 VDC)
24 VDC (23 – 27.5 VDC)
48 VDC (45 – 55 VDC)
7A
5A
2.5 A
7A
5A
8A
5A
9.0 A
7.0 A
3.3 A
9.0 A
6.5 A
12 A
6.5 A
11.5 A
5.8 A
14 A
10 A
20 A
12 A
≤ 0.5%
≤ 1.5%
≤ 20 mVpp
≤ 50 mVpp
≤ 20 mVpp
≤ 30 mVpp
≥ 4 ms
≥ 3 ms
≥ 5 ms
≥ 6 ms
≥ 18 VDC
≥ 33 VDC
≥ 68 VDC
> 81%
> 82%
> 83%
> 86%
> 89%
< 20 W
< 25 W
< 24 W
< 14 W
< 20 W
< 15 W
< 16 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.
Europe, Middle East
+353 61 225 977
North America
+1 408 785 5200
© 2016 Bel Power Solutions & Protection
BCD.00762_AA
Asia-Pacific
+86 755 298 85888
LDD120 Series
4
Overtemperature protection
(Start-up type tested: - 40°C)*
Operating Temperature
Derating
- 40 to + 70°C
- 3 W/°C over 50°C
Storage Temperature
- 40 to + 80°C
Humidity
Non-condensing
5 - 95% RH non condensing
Life Time Expectation
AT 25°C ambient
64000 h (7.3 years)
Overvoltage Category
Pollution Degree
I (EN50178)
2 (IEC60664-1)
Protection Class
Class I
Input to Output
Input to Ground
Output to Ground
UL508 (reference)
EN60950 (reference)
EN50178 (reference)
EN55022
EN55011
EN61000-4-2
EN61000-4-3
EN61000-4-4
EN61000-4-5
EN61000-4-11
Class A
Class A
Level 3
Level 3
Level 2
Level 2
Level 2
Protection Degree
EN60529
IP20
Vibration sinusoidal
IEC 60068-2-6
Shock
IEC 60068-2-27
Isolation Voltage
Safety Standards & Approvals
Emission
Immunity
EMC Standards
2.1 kVDC
1.41 kVDC
0.75 kVDC
5-17.8 Hz: ±1.6 mm; 17.8-500 Hz:
2 g 2Hours / axis (X,Y,Z)
30 g 6 ms, 20 g 11 ms; 3 bumps / direction,
18 bumps total
* Possible at nominal voltage with load derating.
Weight
0.5 kg
Dimensions
54 x 115 x 110 mm
Mounting Rail
IEC 60715/H15/TH35-7.5(-15)
Connection Terminals
Screw type pluggable (24 - 12 AWG)
Case Material
Aluminum
2.5 mm²
[email protected]
LDD120 Series
5
Figure 1. Mechanical Drawing
1
DC input
2
DC output (Load)
3
Output voltage adjustment
4
Green LED: Output OK
INPUT CONNECTION
OUTPUT CONNECTION
+ = Positive DC
- = Negative DC
= Earth ground
+ = Positive DC
- = Negative DC
Signalling:
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.
Europe, Middle East
+353 61 225 977
North America
+1 408 785 5200
© 2016 Bel Power Solutions & Protection
BCD.00762_AA
Asia-Pacific
+86 755 298 85888
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