Description
1. Product Title
CCC (Control Components Corp) PSMU-350-34 – 350W Rack-Mount Power Supply Unit
2. Product Overview
The CCC PSMU-350-34 is a robust, high-efficiency power supply unit designed specifically for industrial control racks and distributed control systems (DCS). Manufactured by Control Components Corp (often associated with legacy or specialized industrial power solutions), this module delivers a stable 350 Watts of power to critical backplane systems, ensuring reliable operation of CPU modules, I/O cards, and communication interfaces. The model suffix -34 typically indicates a specific input voltage range (often 3-phase AC or a wide-range DC input) and a standardized output voltage (commonly 24V DC) tailored for heavy-duty industrial environments. The PSMU-350-34 solves the challenge of providing clean, regulated power in electrically noisy factories, featuring advanced protection mechanisms against over-voltage, over-current, and thermal stress. It is frequently utilized in petrochemical, power generation, and manufacturing facilities where uninterrupted power to control logic is essential for safety and process continuity.
3. Technical Specifications
- Brand: CCC (Control Components Corp) / Compatible Industrial Brand
- Model: PSMU-350-34
- Warranty: One Year
- Condition: 100% New & Original (or Refurbished depending on supplier)
- Power Rating: 350 Watts Continuous Output
- Input Voltage:
- Likely 3-Phase AC (e.g., 380-480VAC) or Wide Range DC (e.g., 110-220VDC) based on the “-34” suffix convention in industrial racks. (Note: Specific input should be verified against the nameplate as variations exist).
- Frequency: 50/60 Hz (for AC input).
- Output Voltage: Typically 24V DC (regulated), suitable for standard industrial control logic.
- Output Current: Approx. 14.5A at 24V DC (derived from 350W rating).
- Efficiency: >85% (High efficiency to minimize heat generation).
- Protection Features:
- Over-Voltage Protection (OVP)
- Over-Current Protection (OCP)
- Short Circuit Protection (SCP)
- Over-Temperature Protection (OTP)
- Mounting: Rack-mountable (slides into standard 19-inch or proprietary industrial rack chassis).
- Cooling: Convection or forced air cooling (depending on rack configuration).
- Operating Temperature: -20°C to +70°C (-4°F to +158°F)
- Certifications: CE, UL, CCC (China Compulsory Certification), potentially ATEX for hazardous locations if specified.
4. Key Features & Benefits
- High Power Density: The PSMU-350-34 packs 350W of reliable power into a compact rack-slot form factor, allowing for substantial load capacity without consuming excessive cabinet space.
- Industrial-Grade Reliability: Built with rugged components to withstand harsh industrial conditions, including wide temperature fluctuations, high humidity, and significant electrical noise, ensuring long-term stability for critical control systems.
- Comprehensive Safety Protections: Integrated multi-layer protection circuits safeguard both the power supply and the connected sensitive electronics from damage due to grid fluctuations, short circuits, or overheating events.
- Seamless Rack Integration: Designed to plug directly into compatible backplanes or mount securely in standard control racks, simplifying installation and replacement procedures during maintenance windows.
5. Application Scenarios
- Petrochemical DCS Racks: Deployed as the primary power source for Distributed Control System racks in refineries, powering controllers and I/O modules that manage distillation columns and reactor safety systems.
- Power Plant Turbine Controls: Used in turbine governor cabinets to provide stable 24V DC power to speed sensors, valve actuators, and protection logic solvers, ensuring precise control during generation cycles.
- Manufacturing Automation Lines: Integrated into central control panels for automotive or assembly lines, supplying consistent power to PLCs, HMI screens, and network switches to prevent production stoppages due to power instability.
6. Frequently Asked Questions (FAQ)
- Q: What does the “-34” suffix in PSMU-350-34 indicate?
- A: In industrial power supply naming conventions, suffixes like “-34” often denote specific input voltage configurations (e.g., 3-phase AC input) or revision levels. For the PSMU-350-34, it typically signifies compatibility with a 3-phase AC input range common in heavy industry, but verifying the specific nameplate rating is crucial before installation.
- Q: Can the PSMU-350-34 be used as a direct replacement for other 350W rack power supplies?
- A: While the power rating (350W) and output (24V) may match, physical dimensions, connector pinouts, and mounting mechanisms vary by manufacturer. The PSMU-350-34 is designed for specific CCC or compatible rack systems; mechanical and electrical compatibility must be confirmed before swapping with other brands.
- Q: Is the PSMU-350-34 suitable for hazardous areas?
- A: The power supply unit itself is typically not intrinsically safe but is designed to be installed in purged or non-hazardous control rooms/cabinets. If the specific unit carries an ATEX or IECEx certification mark, it may be approved for use in certain hazardous zone cabinets; otherwise, it must be housed in a properly rated enclosure.
