LDD240 BEL | Alldatasheet

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Technical content

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 ease of installation make them ideal for various industrial applications.  High efficiency and compact size  Wide Input voltage range  Isolated topology  Overload 150%  Excellent reliability  Industrial machine control  Process control  Energy management  Remote control systems

2 LDD240 Series

tech.support@psbel.com LDD240-11024 110 VDC (90 - 148 VDC) 2.6 A – 3.6 A 24 VDC 10 A Technical parameters are typical, measured in laboratory environment at 25°C at 110 VDC and nominal values, after minimum 5 minutes of operation. Input DC Voltage Range Rated Operating

110 VDC

Input DC Current Vin = Min Vin = Max 3.6 A 2.6 A Input Overvoltage Protection Active shutdown > 150 VDC Inrush Peak Current < 150 A Internal Protection Fuse Not user replaceable Fuse AT 5 A Recommended External Protection Use DC rated devices MCB 6 A C curve Output Power 240 W Rated Voltage (Adjustable Voltage Range) 24 VDC (23 – 27.5 VDC) Continuous Current 10 A Overload Limit 15 A Short Circuit Peak Current 21 A Load Regulation ≤ 1.5% Ripple & Noise1 ≤ 50 mVpp Hold up Time ≥10 ms Protections Overload/short circuit: Hiccup mode Thermal protection Output overvoltage Output Over Voltage Protection ≥ 33 VDC Status Signals DC OK - green LED OVERLOAD - red LED DC OK - dry contact (NO, 24 VDC / 1 A) Parallel Connection Possible for power or redundancy (includes internal ORing circuit) Efficiency > 88 % Dissipated Power < 31 W 1 Ripple and Noise are measured with 20 MHz bandwidth, probe terminated with a 0.1 μF 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.

+86 755 298 85888 Europe, Middle East +353 61 225 977 North America +1 408 785 5200 © 2016 Bel Power Solutions & Protection BCD.00763_AA Operating Temperature Overtemperature protection (Start-up type tested: - 40°C)2 - 40 to + 70°C Storage Temperature - 40 to + 80°C Derating - 3 W/°C over 50°C Humidity Non-condensing 5 - 95% RH 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 Isolation Voltage Input to Output Input to Ground Output to Ground 2.1 kVDC 1.41 kVDC 0.75 kVDC Safety Standards & Approvals UL508 (reference) EN60950 (reference) EN50178 (reference) EMC Standards Emission EN55022 (CISPR11) EN55011 (CISPR22) Class A Class A Immunity EN61000-4-2 EN61000-4-3 EN61000-4-4 EN61000-4-5 EN61000-4-11 Level 3 Level 3 Level 2 Level 2 Level 2 Protection Degree EN60529 IP20 Vibration sinusoidal IEC 60068-2-6 5-17.8 Hz: ±1.6 mm; 17.8-500 Hz: 2 g 2Hours / axis (X,Y,Z) Shock IEC 60068-2-27 30 g 6 ms, 20 g 11 ms; 3 bumps / direction, 18 bumps total 2 Possible at nominal voltage with load deration. Weight 800 g Dimensions 69 x 115 x 110 mm Mounting Rail IEC 60715/H15/TH35-7.5(-15) Connection Terminals Screw type pluggable (24 - 12 AWG) 2.5 mm² Case Material Aluminum

4 LDD240 Series

Figure 1. Mechanical Drawing

1 DC input

2 DC output (Load)

3 Output voltage adjustment

4 Green LED: Output OK

5 Red LED: Overload

6 Diagnostic Output

equipment used in hazardous environments, or nuclear control systems. date manufactured. Specifications are subject to change without notice.