(0) Shopping cart
You have no items in your shopping cart.
Shopping Categories

    24V DC 2.1A 50W Switching Power Supply

    5 out of 5 based on 1 reviews | Write a review
    24V DC 2.1A 50W switching power supply is universal AC input, low ripple & noise and safe in use. It is suitable for industry use with high reliability, high efficiency and low cost.
    SKU: ATO-SMPS-50-24
    Free shipping
    Delivery date: 6-12 days


    • Universal AC input/Full range
    • Short circuit, overload and overvoltage protection
    • Cooling by free air convection
    • 100% full load burn-in test
    • High reliability and wide range of applications


    Basics Model ATO-S-50-24
    Dimension 159*97*38mm (L*W*H)
    Weight 0.51kg
    Output DC Voltage 24V
    Rated Current 2.1A
    Current Range 0~2.1A
    Rated Power 50W
    Ripple & Noise (max.)( Note 2) 150mVp-p
    Voltage Adjust Range 21.6~26.4V
    Voltage Tolerance (Note 3) ±1.0%
    Line Regulation ±0.5%
    Load Regulation ±0.5%
    Setup, Rise, Holdup time 300ms, 50ms, 80ms /230VAC 800ms, 50ms, 12ms/115VAC at full load
    Input Voltage Range 85 ~ 264V AC or 120 ~ 370V DC
    Frequency Range 47~63Hz
    Efficiency(Typ.) 79%
    AC Current(Typ.) 2A/115V AC 1A/230V AC
    Inrush Current (Typ.) Cold start, 20A/115V AC; 40A/230V AC
    Leakage Current <3.5mA / 240V AC
    Protection Overload 105~150% rated output power
    Protection type: Hiccup mode, recovering automatically after fault condition is removed.
    Safety & EMC Safety Standards Approved by Ul1012, UL60950-1, TUV EN60950-1, CCC GB4943
    Withstand Voltage I/P-O/P: 1.5KV AC I/P-FG: 1.5KV AC O/P-FG: 0.5KV AC
    Isolation Resistance I/P-O/P, I/P-FG, O/P-FG: 100M Ohms/500V DC/ 25°C / 70% RH
    EMC Emission Compliance to EN55022 (CISPR22) Class B, EN61000-3-2, -3
    EMC Immunity Compliance to EN61000-4-2, 3, 4, 5, 6, 8, 11, EN55024, light industry level, criteria A
    Environment Working Temperature -10 ~ +60°C (Refer to output load derating curve)
    Working Humidity 20~90% RH (non-condensing)
    Storage Temperature -20~+85°C
    Humidity 10~95% RH (non-condensing)
    Temperature Coefficient ±0.03%/°C (0~50°C)
    Vibration 10 ~ 500Hz, 2G 10min./1 cycle, period for 60min. each along X, Y, Z axes
    Note 1. All parameters NOT specially mentioned are measured at 230V AC input, rated load and 25°C of ambient temperature.
    2. Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1uf & 47uf parallel capacitor.
    3. Tolerance includes set up tolerance, line regulation and load regulation.
    4. The switching power supply is considered a component which will be installed into final equipment. Please make sure that the final equipment still meets EMC directives.

    50W switching power supply dimensions

    Block Diagram
    switching power supply circuit diagram

    Derating Curve & Static Characteristics
    SDPS derating curve & static characteristics

    Tips: Switching power supply development
    The development of switching power supply is high-frequency, high reliability, low consumption, low noise, anti-interference and modularity. The performance of switching power supply in light weight, small size and thickness depends on its high frequency. Upgrading of secondary rectification devices and innovation of power ferrites have improved its magnetic performance in high frequency and field density conditions. In addition, miniaturization of capacitors also serves as a key technology. Extensive use of SMT technology accelerated development of switching power supply. To ensure outstanding performance of witching power supply in weight, size and thickness, electric components are laid out on both sides of the circuit. High frequency of switching power supply requires innovation of PWM. As a result, ZVS and ZCS have been applied to switching power supply as supporting technologies to improve its efficiency.

    Existing reviews of 24V DC 2.1A 50W Switching Power Supply
    Cool little switching power supply
    After power test, the voltage is stable, I am running a 3D printer from it and it has no problems. The supply gets warm but not too hot. It uses passive cooling (no fan). Good terminal strip with cover, came with a minor bent corner but otherwise ok.
    From: Turner | Date: 22/11/2018
    Was this review helpful? Yes No (0/0)
    Write your review for 24V DC 2.1A 50W Switching Power Supply
    • Only registered users can write reviews
    • Bad
    • Excellent
    Customers who bought this item also bought

    5V DC 10A 50W Switching Power Supply

    SKU: ATO-SMPS-50-5
    Switching power supply can convert 110V/220V AC to 5V DC with rated current 10A and rated power 50W, widely used in LED light strips, computers, printers and industrial equipment, etc. High quality and low price.