TECHNICAL DATASHEET PMR Panel Mount Power Supply 4.2V 252W 1 Phase / PMR-4V320WCA 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 and automatic fan speed control High MTBF > 700,000 hrs. as per Telcordia SR-332 Short Circuit / Overvoltage / Overload / Over Temperature Protections Safety Standards CB Certified for worldwide use Model Number: PMR-4V320WCA Unit Weight: 0.76 kg (1.68 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-4V320WCA offers nominal output voltage of 4.2V with a wide operating temperature range from -10C 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 and the automatic fan speed control enables better thermal management. 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-4V320WCA 88-264Vac 4.2Vdc 60.0A Model Numbering CC Code PM R 4V 320W C A Panel Mount Product Series Output Voltage Output Power Package Type Connector Type Variable R Standard Rack (320W series C Enclosed A Terminal Block A Coating Type Series (1U) model) with Fan G Front Face* *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-4V320WCA 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 < 3.00A 115Vac, < 1.50A 230Vac Efficiency at 100% Load 80.5% typ. 115Vac, 83.5% typ. 230Vac Max Inrush Current (Cold Start) < 20A 115Vac, < 40A 230Vac Power Factor at 100% Load 0.98 typ. 115Vac, 0.95 typ. 230Vac Leakage Current < 0.5mA 240Vac Output Ratings / Characteristics* Nominal Output Voltage 4.2Vdc Factory Set Point Tolerance 4.2Vdc 1% (initial set point tolerance from factory) Output Voltage Adjustment Range 3.78-4.62Vdc 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) PARD** (20MHz) < 150mVpp 25C < 300mVpp -10C Rise Time 50ms 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 *For power de-rating from 50C 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)