The Weidmuller 8533640000 is a compact and efficient DIN rail mounted switching power supply, typically converting AC line voltage (e.g., 100-240V AC) to a stabilized 24V DC output. Designed for industrial environments, it features high efficiency, low heat dissipation, and robust protection for powering sensitive control electronics.
Product Introduction: The Weidmuller 8533640000 is a compact and efficient DIN rail mounted switching power supply, typically converting AC line voltage (e.g., 100-240V AC) to a stabilized 24V DC output. Designed for industrial environments, it features high efficiency, low heat dissipation, and robust protection for powering sensitive control electronics.
The Weidmuller 8533640000 serves as the vital heart of the low-voltage DC power system within an industrial control cabinet. In automation systems, most electronic components—including Programmable Logic Controllers (PLCs), input/output (I/O) modules, sensors, relays, and human-machine interfaces (HMIs)—operate on 24V DC power. This power supply unit (PSU) is responsible for converting the available mains AC voltage (commonly 120V AC or 230V AC) into this clean, stable, and regulated 24V DC supply. Its performance directly impacts the reliability of the entire control system. A power supply with poor regulation can cause erratic behavior in sensors, communication errors in networks, or even damage to sensitive electronics. Therefore, the 8533640000 is not just a converter but a critical infrastructure component that ensures operational stability and longevity of the automation equipment it feeds.
This unit utilizes switched-mode power supply (SMPS) technology, which offers significant advantages over older linear designs. SMPS technology allows for high efficiency (often >90%), meaning less electrical energy is wasted as heat. This results in a cooler operating unit, reduced cooling demands in the control panel, and lower operational costs. The design incorporates advanced circuitry for precise voltage regulation, maintaining a constant 24V output even with fluctuations in the input AC voltage or variations in the connected load. Key protection features are integral to its design, including overload protection (which limits output current to prevent damage), short-circuit protection (which safely shuts down output during a fault), and typically overvoltage protection. Its compact, fan-less design with a metal or robust plastic housing ensures durability and minimizes maintenance.

Input Voltage Range: Wide range input (e.g., 100-240V AC, 50/60Hz), allowing for global use without manual tapping.
Input Current: Dependent on output load and input voltage.
Inrush Current Limiting: Integrated to prevent tripping of upstream circuit breakers during power-up.
Output Voltage: Nominal 24V DC, adjustable within a small range (e.g., 24V ±2%).
Rated Output Current/Power: Specific continuous output rating (e.g., 2.5A, 5A, 10A, corresponding to 60W, 120W, 240W).
Regulation & Ripple: Excellent line and load regulation with low output noise/ripple.
Mounting: Snap-on mounting for standard top-hat DIN rail TS-35.
Connection: Screw clamp terminals for secure input and output wiring.
Housing: Compact, rugged design; often fan-less for silent operation.
Efficiency: High efficiency rating (e.g., >90%), conforming to energy efficiency standards.
Protections: Overload, short-circuit, and overvoltage protection.
Operating Temperature: Typical range of -25°C to +70°C with derating above a certain ambient temperature.
Safety & EMC: Complies with UL, CE, cULus, and relevant industrial EMC standards.
The Weidmuller 8533640000 is the preferred power source in countless industrial scenarios:
PLC and DCS Control Cabinets: Primary power source for the central processor, digital/analog I/O modules, and communication cards.
Sensor and Actuator Networks: Providing power to distributed field devices such as photoelectric sensors, proximity switches, solenoid valves, and pneumatic valve islands.
Industrial Communication Systems: Powering network switches, routers, and gateways for Profinet, Ethernet/IP, or other fieldbus systems.
Human-Machine Interface (HMI) Panels: Supplying clean power to operator touchscreens and display terminals.
Safety Control Systems: Powering safety relays, light curtains, and other safety-rated components that require a reliable 24V DC source.
Machinery and OEM Equipment: Integrated as the internal power supply for packaging machines, conveyor controls, robotic cells, and test stands.
Process Instrumentation: Powering loop-powered transmitters, signal conditioners, and chart recorders.
For reliable operation, the power supply should be mounted on a DIN rail in a well-ventilated area of the control panel, respecting its specified clearances. Input wiring (AC mains) must be performed by qualified personnel, following local electrical codes, and include a suitably rated fuse or circuit breaker for branch protection. The DC output should be wired to a central distribution point, such as a fused terminal block, which then branches out to individual loads. Proper wire sizing for both input and output circuits is crucial to minimize voltage drop, especially on longer DC runs. The unit's metal housing should be connected to the panel's protective earth (PE) ground. During system design, ensure the total calculated current draw of all connected devices does not exceed 80-90% of the power supply's rated current to provide a safety margin and ensure long-term reliability.
The Weidmuller 8533640000 DIN rail power supply represents a critical investment in the foundation of any industrial control system. Its robust design, based on efficient switching technology, delivers the clean, stable, and reliable 24V DC power that modern automation components demand. With features like wide-range input, comprehensive electrical protection, and a compact form factor, it simplifies panel design and enhances system uptime. By providing consistent power under varying load and line conditions, it protects sensitive electronics and contributes directly to reduced maintenance and higher overall plant efficiency. For panel builders and system integrators across all industries, specifying the Weidmuller 8533640000 is a definitive step toward building a resilient, safe, and high-performing automation infrastructure.



