LDW25 Series is a single or two phase AC or DC input DIN Rail Switching Power Supply. Its compact size, high efficiency, excellent reliability together with easy installation due to pluggable connectors makes it market leader for various industrial telecom and renewable energy applications. LDW25 Series is Class II isolation devices suitable for SELV and PELV circuitry and are designed to be mounted on DIN rail and installed inside a protective enclosure. Single or two phase AC (90 - 550 VAC) or DC (150 - 725 VDC) input High efficiency and extremely compact size Plastic enclosure Class II insulation (simplified wiring) Overload 130% Up to 70C operating temperature with derating curve Ideal for applications with harsh mains conditions S models have conformal coating of PC-Board Compliant to renewable energy systems and high DC Bus RoHS Compliant Industrial Control Communication Instrumentation Equipment Renewable 2 LDW25 Series LDW25-12S 120 - 500 VAC (150 - 725 VDC) 1 / 2 12 VDC 2.0 - 1.6 A No ORing diode LDW25-24S 120 - 500 VAC (150 - 725 VDC) 1 / 2 24 VDC 1.0 A No ORing diode LDW25-48S 120 - 500 VAC (150 - 725 VDC) 1 / 2 48 VDC 0.5 A No ORing diode * For the models without a suffix S consult factory. Technical parameters are typical, measured in laboratory environment at 25C and 240 VAC / 50 Hz, at nominal values, after minimum 5 minutes of operation. Rated, single or two phase 120 500 VAC Input AC Voltage Range Operating 90 - 550 VAC Input Frequency 47 - 63 Hz Input DC Voltage Range Rated 150 725 VDC Vin = 120 VAC / single phase 0.5 A Input AC Current Vin = 500 VAC / two phase 0.15 A Vin = 150 VDC 0.3 A Input DC Current Vin = 725 VDC < 0.1 A Inrush Peak Current 25 A Touch (Leakage) Current 0.2 mA Internal Protection Fuse None, external fuse must be provided MCB 2A C curve / Cartridge fuse Class CC Recommended external It is strongly recommended to provide external surge arresters 1 protection (SPD) according to local regulations. 2AT 600 VAC Output Power 25 W LDW25-12S 12 VDC (12 15 VDC) Rated Voltage LDW25-24S 24 VDC (23 28 VDC) (Voltage Adjustment Range) LDW25-48S 48 VDC (45 55 VDC) LDW25-12S 2.0 - 1.6 A Continuous Current LDW25-24S 1.0 A LDW25-48S 0.5 A LDW25-12S 2.65 A LDW25-24S Vin = 120 VAC 1.45 A LDW25-48S 0.75 A 2 Overload Limit LDW25-12S 2.90 A LDW25-24S Vin = 240 VAC Vin = 400 VAC Vin = 500 VAC 1.70 A LDW25-48S 0.90 A LDW25-12S 6.5 A Short Circuit Peak Current LDW25-24S 4.0 A LDW25-48S 2.5 A Load Regulation 0.5% 1 In order to be UL compliant use Listed Cartridge non-renewable (JDDZ) fuse Class CC 2AT 600 VAC. 2 On LDW25-12S measurements are performed with output set to 12 VDC. Asia-Pacific Europe, Middle East North America +1 408 785 5200 +86 755 298 85888 +353 61 225 977 2018 Bel Power Solutions & Protection BCD.00852 AD