TECHNICAL DATASHEET PMR Panel Mount Power Supply 4.2V 252W 1 Phase / PMR-4V320WDA PMR Highlights & Features Universal AC input voltage range Full corrosion resistant aluminium casing Built-in active PFC and conforms to harmonic current IEC/EN 61000-3-2, Class A and Class D Low profile design for 1U installation High reliability with fanless design Built-in DC OK relay contact and redundancy operation (PMR-4V320WDBA and PMR-4V320WDCA) Safety Standards CB Certified for worldwide use Model Number: PMR-4V320WDA Unit Weight: 0.86 kg (1.90 lb) Dimensions (L x W x D): 215 x 115 x 30 mm (8.46 x 4.53 x 1.18 inch) General Description The PMR-4V320WDA offers nominal output voltage of 4.2V with a wide operating temperature range from -20C to +70C and can withstand shock and vibration according to IEC 60068-2. The product comes with universal AC input voltage range at 88Vac to 264Vac. At only 30mm height and encased in a full corrosion resistant aluminium casing, the PMR series is made for installation in narrow space while its built-in active PFC circuit provides high power factor values and conforms to harmonic current emission according to IEC/EN 61000-3-2, Class A and Class D. Model Information PMR Panel Mount Power Supply Model Number Input Voltage Range Rated Output Voltage Rated Output Current PMR-4V320WDA 88-264Vac 4.2Vdc 60.0A Model Numbering CC Code PM R 4V 320W D A Panel Mount Product Series Output Voltage Output Power Package Type Connector Type Variable R Standard Rack (320W series D Enclosed A Terminal Block A Coating Type Series (1U) model) without Fan B Terminal Block (Parallel Connection)* G Front Face* C Front Face (Parallel Connection)* *Options All parameters are specified at 25C ambient and AC input unless otherwise indicated. 1 www.DeltaPSU.com (November 2018, Rev. 01) TECHNICAL DATASHEET PMR Panel Mount Power Supply 4.2V 252W 1 Phase / PMR-4V320WDA Specifications Input Ratings / Characteristics Nominal Input Voltage 100-240Vac Input Voltage Range 88-264Vac Nominal Input Frequency 50-60Hz Input Frequency Range 47-63Hz Input Current < 4.50A 115Vac, < 2.50A 230Vac Efficiency at 100% Load PMR-4V320WDAA 84.5% typ. 115Vac, 86.5% typ. 230Vac PMR-4V320WDGA PMR-4V320WDBA 84.0% typ. 115Vac, 86.0% typ. 230Vac PMR-4V320WDCA Max Inrush Current (Cold Start) < 20A 115Vac, < 40A 230Vac Power Factor at 100% Load 0.98 typ. 115Vac, 0.95 typ. 230Vac Leakage Current < 1mA 240Vac Output Ratings / Characteristics** Nominal Output Voltage 4.2Vdc Factory Set Point Tolerance 4.2Vdc 1% (initial set point tolerance from factory) For PMR-4V320WDAA and PMR-4V320WDGA Output Voltage Adjustment Range PMR-4V320WDAA 3.78-4.62Vdc PMR-4V320WDGA Output Voltage Range PMR-4V320WDBA 3.99-4.51Vdc (No potentiometer) PMR-4V320WDCA Output Current 60.0A (252W max.) Output Power 252W Line Regulation 0.5% typ. ( 115Vac & 230Vac, 100% load) Load Regulation 1.0% typ. ( 115Vac & 230Vac, 0-100% load) For PMR-4V320WDAA and PMR-4V320WDGA PARD*** (20MHz) < 150mVpp 25C < 300mVpp -20C Rise Time 100ms typ. 115Vac & 230Vac (100% load) Start-up Time 3000ms typ. 115Vac, 1500ms typ. 230Vac (100% load) Hold-up Time 8ms typ. 115Vac & 230Vac (100% load) Dynamic Response (Overshoot & Undershoot O/P Voltage) 1500mVpp 10-50% load and 50-100% load Start-up with Capacitive Loads 8,000F Max Functional* Parallel Connection For N+1 connection, note that N 4 (difference of coupling impedance for each power supply must be < 5m in redundancy connection). The total output power shall be < N 80% rated power. DC OK Relay Contact 5V / 0.1A The relay is usually open when the output is normal. *For PMR-4V320WDBA and PMR-4V320WDCA. **For power de-rating from 40C to 70C, see power de-rating on page 3. ***PARD is measured with an AC coupling mode and in parallel to end terminal with 0.1F ceramic capacitor & 47F electrolytic capacitor. All parameters are specified at 25C ambient and AC input unless otherwise indicated. 2 www.DeltaPSU.com (November 2018, Rev. 01)