Brief Introduction: CCC PSMU-350-3 Industrial Switching Power Supply Module
1. Product Description
CCC PSMU-350-3 is an industrial-grade switching power supply module designed for stable DC power supply in industrial automation systems, electronic equipment, and precision instruments. It acts as the “reliable energy source” for industrial devices, mainly compatible with scenarios like factory automation control cabinets, PLC (Programmable Logic Controller) systems, sensor networks, and small industrial motors—providing continuous and stable DC power to ensure normal operation of downstream equipment.
Its core function is to “convert AC input (common industrial AC voltage like 110V/220V) into a fixed 3V DC output with high precision. It uses switching power supply technology to achieve high energy efficiency, and built-in protection functions to avoid damage to the power supply itself or connected devices due to voltage fluctuations, short circuits, or overloads.” For example, in an industrial sensor network, multiple temperature/humidity sensors require 3V DC power to operate. The CCC PSMU-350-3 converts 220V AC from the factory grid into stable 3V DC, supplying power to 20+ sensors simultaneously. Even if the grid voltage fluctuates slightly (e.g., 200V-240V), the module maintains 3V DC output accuracy, ensuring sensors collect data without errors.
Its practical advantages are particularly prominent in industrial power supply scenarios:
- High stability & precision: The DC output voltage accuracy is ≤±1% of the rated value (3V), and the output ripple is low (≤50mV). This avoids equipment malfunctions or data deviations caused by unstable power supply—critical for precision instruments like sensors or small control chips.
- Wide AC input compatibility: It supports a broad AC input range (typically 85V-264V AC, 50/60Hz), which is compatible with common industrial power grids worldwide (e.g., 110V AC in North America, 220V AC in Asia/Europe). No additional voltage converters are needed for cross-region use.
- Industrial-grade reliability: It adopts a wide-temperature design (-20℃~+60℃), adapting to harsh industrial environments like high-temperature workshops or cold storage auxiliary systems. It also has strong anti-electromagnetic interference (EMI) capabilities, resisting interference from nearby motors or frequency converters. The mean time between failures (MTBF) exceeds 50,000 hours, ensuring long-term stable operation.
- Compact & easy integration: It features a compact modular design (suitable for DIN rail or cabinet mounting) and small size, saving space in control cabinets. The wiring terminals are clearly labeled (AC input, DC output, ground), making installation and replacement simple—even for non-professional electricians, it can be completed in 20-30 minutes.
2. Key Technical Parameters
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Parameter Category
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Specific Details
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Product Type
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Industrial-grade single-output switching power supply module
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AC Input
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– Voltage Range: 85V~264V AC (50/60Hz, universal input)- Input Current: ≤2A (at 110V AC), ≤1A (at 220V AC)- Power Factor: ≥0.9 (at full load)
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DC Output
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– Rated Voltage: 3V DC- Rated Current: 116.7A (rated power: 350W, calculated by 3V×116.7A)- Voltage Adjustment Range: 2.7V~3.3V (±10% of rated value, adjustable via potentiometer)- Output Accuracy: ≤±1% (at full load, 25℃)- Output Ripple & Noise: ≤50mV (peak-to-peak)
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Protection Functions
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– Overload Protection: 110%~150% of rated current (automatic recovery after fault removal)- Short-Circuit Protection: Instantaneous shutdown (automatic recovery after short-circuit elimination)- Overvoltage Protection: ≥3.9V DC (latching, requires power cycle to reset)- Overtemperature Protection: ≥85℃ (automatic shutdown, recovery when temperature drops)
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Operating Environment
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– Temperature: -20℃~+60℃ (operating); -40℃~+85℃ (storage)- Relative Humidity: 5%~95% (non-condensing)- Altitude: ≤2000m (derate 1% per 100m above 2000m)- Protection Level: IP20 (must be installed in a control cabinet)
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Physical Specifications
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– Dimensions (L×W×H): Approximately 190mm×150mm×60mm (compact design for DIN rail mounting)- Weight: Approximately 1.8kg- Mounting Type: DIN rail (35mm standard) or panel mounting
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Energy Efficiency & Certifications
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– Efficiency: ≥88% (at full load, 220V AC input)- Certifications: CE, RoHS, IEC 61000-6-2 (industrial EMI standard), CCC (China Compulsory Certification)
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Additional Features
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Built-in cooling fan (temperature-controlled, starts at ≥45℃); LED status indicator (green for normal operation, red for fault); remote on/off control (optional via external signal)
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