TECHNICAL DATASHEET PJT Open Frame Power Supply 27 V/5.55 A, 12 V/0.5 A Standby / PJT-27V150WBNA PJT Highlights & Features Universal AC input voltage Standard industrial footprint of 3 x 5 Built-in active PFC with up to 89.5% efficiency Power Boost 6.48 A (175 W) at 27 V for 5 seconds Conforms to harmonic current IEC/EN 61000-3-2, Class A Convection cooled 150 Watt operating temperature range from -10C to +50C Built-in standby output 12 V/0.5 A High MTBF > 700,000 hrs as per Telcordia SR-332 Certified according to IEC/EN/UL 62368-1 Safety Standards CB Certified for worldwide use Model Number: PJT-27V150WBNA Unit Weight: 0.37 kg (0.82 lb) Dimensions (L x W x H): 127 x 76.2 x 36.5 mm (5.00 x 3.00 x 1.44 inch) General Description The PJT-27V150WBNA comes with both a + 27 V nominal main output, and a standby +12 volt 0.5 amp output. The open frame power supply is designed with small standard industrial 3 x 5 footprint. The highly efficient convection cooled design with optimum thermal management for high power efficiency. The product can operate from -10C to +70C across the entire input voltage range of 85 to 264Vac and features built-in Power Boost of 6.48 A (175 W) for 5 seconds. The built-in active PFC product has major international safety standard according to IEC/UL 60950-1, IEC/EN/UL 62368-1 and is certified for EMI standards according to EN 55022, EN55032, and FCC Title 47 Class B. Model Information PJT Open Frame Power Supply Model Number Input Voltage Range Rated Output Voltage Rated Output Current PJT-27V150WBNA 85-264 Vac V1: 27 Vdc, VSB: 12 Vdc V1: 5.55 A, VSB: 0.5 A Model Numbering PJ T 27V 150W B N A Open Frame Product Type Output Voltage Output Power Package Type N No Remote A JST connector T ITE Application B Open Frame ON/OFF Series All parameters are specified at 25C ambient, at 27 V/5.55 A 12 V/0.5 A unless otherwise indicated. 1 www.DeltaPSU.com (October 2021, Rev. 03) TECHNICAL DATASHEET PJT Open Frame Power Supply 27 V/5.55 A, 12 V/0.5 A Standby / PJT-27V150WBNA 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 < 1.80 A 115 Vac, < 0.9 A 230 Vac Efficiency at 100% Load > 88.5% 115 Vac , > 89.5% 230 Vac Max Power Dissipation No Load < 0.4 W 115 Vac, < 0.6 W 230 Vac 100% Load < 17 W 115 Vac, < 19 W 230 Vac Max Inrush Current (Cold Start) < 50 A 115 Vac, < 100 A 230 Vac Power Factor at 100% Load > 0.99 115 Vac, > 0.93 230 Vac Leakage Current < 0.25 mA 264 Vac *For power de-rating at 85-90 Vac, see power de-rating on page 3. Output Ratings / Characteristics** Nominal Output Voltage V1: 27 Vdc V : 12 Vdc SB Factory Set Point Tolerance No potentiometer V1: 2% V : 2% SB Output Current Nom. V1: 5.55 A V : 0.5 A Continuously operating SB V1: 6.48 A V : NA Power Boost for 5 seconds SB Output Power Nom. V1: 150 W VSB: 6 W Continuously operating V1: 175 W VSB: NA Power Boost for 5 seconds Line Regulation < 0.5% ( 90-264 Vac input, 100% load) Load Regulation < 1.0% ( 90-264 Vac input, 0-100% load) PARD*** (20 MHz) V1: < 150 mVpp V : < 75 mVpp 20 MHz, warm up for 10mins SB Rise Time < 100 ms 115 Vac & 230 Vac (100% load) Start-up Time < 1500 ms 115 Vac & 230 Vac (100% load) Hold-up Time > 40 ms 115 Vac & 230 Vac (100% load) Dynamic Response 5% 85-264 Vac input, 0-100% load (Overshoot & Undershoot O/P Voltage) (Slew Rate: 0.1 A/S, 50% duty cycle 5 Hz to 1 KHz) Start-up with Capacitive Loads V1: 3,000 uF VSB: NA **For power de-rating from 50C to 70C, see power de-rating on page 3. ***PARD is measured with an AC coupling mode, 5 cm wires, and in parallel with 0.1 F ceramic capacitor & 47 F electrolytic capacitor. All parameters are specified at 25C ambient, at 27 V/5.55 A 12 V/0.5 A unless otherwise indicated. 2 www.DeltaPSU.com (October 2021, Rev. 03)