TECHNICAL DATASHEET PJ Open Frame Power Supply 12 V 50 W 1 Phase / PJ-12V50W NA PJ Highlights & Features Universal AC input voltage range (85 Vac 264 Vac) Low Inrush Current / Low Leakage Current High efficiency and PF factor to conserve energy Conforms to harmonic current IEC/EN/BS EN 61000-3-2, Class A Conformal coating on PCBA to protect against chemical and dust pollutants Versatile configuration options: Open Frame, L Frame, Enclosed Long life capacitors Safety Standards CB Certified for worldwide use Model Number: PJ-12V50WNA Unit Weight: Open Frame: 0.16 kg (0.35 lb) Enclosed: 0.28 kg (0.62 lb) Dimensions (L x W x H): Open Frame: 132 x 50 x 26.6 mm (5.19 x 1.96 x 1.05 inch) Enclosed: 162 x 60 x 36 mm (6.37 x 2.36 x 1.41 inch) General Description The PJ series of Open Frame Power Supply comes with universal AC input at 85 Vac to 264 Vac. Other features include low leakage / Inrush current and conformal coating on the PCBAs to provide protection against dust and chemical pollutants. The built-in active PFC provides PF > 0.97 and fulfills Harmonic Current Emission according to IEC/EN/BS EN 61000-3-2. The PJ series is certified for EMC standards according to EN/BS EN 55011 for industrial, scientific and medical (ISM) radio-frequency equipment and EN/BS EN 55032 for Industrial Technology Equipment (ITE) radio-frequency equipment and EMS according to EN/BS EN 55024. In addition, the detachable input and output connectors are from JST and only recognized Japanese capacitors are used. Metal chassis and case cover are available as options for different installation preferences. The PJ series conforms to major international safety standards according to EN/UL 62368-1 standards and are fully compliant with RoHS Directive for environmental protection. Model Information PJ Open Frame Power Supply Model Number Input Voltage Range Output Voltage Output Current PJ-12V50WNA 85-264 Vac 12 Vdc 4.30 A Model Numbering CC Code PJ 12V 50W N A PJ Series Output Voltage Output Power Product Type Remote ON/OFF Function Delta Standard B - Open Frame N - No Remote ON/OFF L - L Frame C - Enclosed All parameters are specified at 25C ambient and AC input unless otherwise indicated. 1 www.DeltaPSU.com (July 2021, Rev. 05) TECHNICAL DATASHEET PJ Open Frame Power Supply 12 V 50 W 1 Phase / PJ-12V50W NA Specifications Input Ratings / Characteristics Nominal Input Voltage 100-240 Vac Input Voltage Range 85-264 Vac Nominal Input Frequency 50-60 Hz Input Frequency Range 47-63 Hz Input Current 0.65 A typ. 100 Vac, 0.35 A typ. 200 Vac Efficiency at 100% Load 83.0% typ. 100 Vac, 85.0% typ. 200 Vac Max Inrush Current (Cold Start) 15 A typ. 100 Vac, 30 A typ. 200 Vac Power Factor Correction 0.98 typ. 100 Vac, 0.97 typ. 200 Vac Leakage Current 0.1 mA 100 Vac, 0.2 mA 240 Vac Output Ratings / Characteristics Nominal Output Voltage 12 Vdc Output Voltage Tolerance 1% (initial set point tolerance from factory) Output Voltage Adjustment Range 10.8-13.2 Vdc Output Current 4.30 A Output Power 51.6 W Line Regulation < 48 mV Load Regulation < 100 mV Ripple (20 MHz) < 120 mVpp 0C to 50C, < 160 mVpp -10C to 0C Ripple Noise (20 MHz) < 150 mVpp 0C to 50C, < 180 mVpp -10C to 0C Start-up Time 500 ms typ. 100 Vac Hold-up Time 20 ms typ. 100 Vac Dynamic Response 5% 0-50% load and 50-100% load (Overshoot & Undershoot O/P Voltage) Start-up with Capacitive Loads 8,000 F Max Mechanical Case Cover / Chassis SGCC Dimensions (L x W x H) Open Frame 132 x 50 x 26.6 mm (5.19 x 1.96 x 1.05 inch) Enlosed 162 x 60 x 36 mm (6.37 x 2.36 x 1.41 inch) Unit Weight Open Frame 0.16 kg (0.35 lb) Enlosed 0.28 kg (0.62 lb) Indicator NA Cooling System Convection Terminal Input JST B3P5-VH (LF)(SN) Output JST B4P-VH (LF)(SN) Wire AWG 22-18 All parameters are specified at 25C ambient and AC input unless otherwise indicated. 2 www.DeltaPSU.com (July 2021, Rev. 05)