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    Picture of 48V 20A 1000W SMPS Switching Power Supply
    Picture of 48V 20A 1000W SMPS Switching Power Supply
    Picture of 48V 20A 1000W SMPS Switching Power Supply
    Picture of 48V 20A 1000W SMPS Switching Power Supply

    48V 20A 1000W SMPS Switching Power Supply

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    SKU: PH-SMPS-1000-48
    $197.54
    ● Engineered for high-power demands, a 48V/20A output provides 1000W of reliable power. ● Fully compliant with CE, FCC, and RoHS standards, ensuring safe performance. ● Comprehensive safety guards against voltage spikes, overloads, and short circuits. ● Rigorously tested premium parts deliver consistent reliability and enhanced product lifespan.
    🚚 Free shipping
    ⏱️ Delivery: 6-12 days
    🔙 30-day Returns
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    Overview

    This enhanced 48V DC 1000W switching power supply integrates comprehensive safeguards including short-circuit, overload and overvoltage protection. With a broad input voltage span, it ensures consistent, accurate output voltage, serving as a high-performance power solution for electronic equipment, LED lighting and household appliances.

    1000W SMPS Switching Power Supply Feature

    Feature

    • Enhanced Thermal Management: Features an iron-silicon aluminum magnetic ring that runs cooler, lasts longer.
    • Quiet Operation Guarantee: High-efficiency cooling paired with a noise-reducing fan ensures smooth, silent power delivery.
    • Device Protection: Consistent, high-efficiency output neutralizes voltage spikes, keeping your gear safe.
    • Wide Application Compatibility: Ideal for road sign lights, forklift batteries, solar energy storage, energy cabinets, and a wide range of industrial scenarios.
     

    Details

    1. 220V Input: Standard AC power inlet for direct connection to mains supply.
    2. Ground Wire: Dedicated terminal for safety grounding and effective anti-interference performance.
    3. Output Negative: Marked DC negative terminal for secure load connection.
    4. Output Positive: Clearly labeled DC positive terminal to ensure correct wiring.
    48V 20A 1000W SMPS Switching Power Supply Details

    Dimension (Unit: mm)

    48V 20A 1000W SMPS Switching Power Supply Dimension

    Specs
    Model PH-MS-1000-48
    Output DC Voltage 48V
    Rated Current 20.8A
    Rated Power 1000W
    Ripple & Noise <150mVp-p
    Voltage Accuracy ±1%
    Voltage Adjustment Range ±10%
    Load Adjustment Rate <±0.5%
    Line Adjustment Rate <±0.5%
    Input Voltage Range 180~264VAC; 254~370VDC
    Frequency Range 47~63Hz
    Efficiency (Typ.) >85%
    AC Current 220VAC, 8A
    Inrush Current 60A 230VAC
    Setup, Rise, Holdup Time 200ms, 50ms, 20ms: 230V AC
    Protection Overload 105~135% rated output power
    Protection type: Constant current limiting, recovers automatically after fault condition is removed.
    Over temperature RTH3: Fan is always running, ≥90°C output shut down.
    Environment Working Temperature -10 ~ +50℃
    Working Humidity 20~90% RH
    Storage Temperature -20~+85℃
    Storage Humidity 10~95% RH
    Safety & EMC Withstand Voltage I/P-O/P: 1.5KVAC I/P-FG: 1.5KVAC O/P-FG: 0.5KVAC
    Leakage Current I/P-O/P， <6mA at 1.5kVAC； <1.5mA at 220VAC
    Isolation Resistance I/P-O/P, I/P-FG, O/P-FG: 100M Ohms/500VDC
    Others Dimension 291*132*68mm (L*W*H)
    Weight 2.4kg
    Application
    Outdoor Monitoring

    Outdoor Monitoring

    LED Strip

    LED Strip

    Automation Equipment

    Automation Equipment

    Road Sign Light

    Road Sign Light

    FAQ

    Q1: What should I do if my switching power supply makes noise?

    You can reduce switching power supply noise through these methods: install an AC input filter to block external interference and prevent internal noise from leaking; use proper grounding to improve safety and lower electromagnetic interference; and optimize component placement, wiring, and system circuit layout. Comprehensive adjustments based on the actual noise source will achieve better noise suppression.

    Q2: What should I check if my SMPS does not output voltage?

    First, check whether the input voltage is within the rated range and the input wiring is correctly connected. Then confirm the output wiring, load condition, and whether the power supply is in short‑circuit or overload protection. You can also try disconnecting the load to test if the power supply can recover. If the problem remains, the power supply may be damaged and needs further inspection or replacement.

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