6ES7307-1EA00-0AA0 5A 24V SITOP Power Supply

Key Features and Technical Specifications

• Output Voltage: Standard 24V DC with ±0.3% Vout regulation for stable operation.
• Output Current: 5A nominal, with a range of 5.5 to 6.5A for short-term overloads.
• Input Voltage Range: Single-phase and two-phase AC supply, suitable for global applications.
• Efficiency: Approximately 87%, reducing energy waste and thermal stress.
• Power Loss: Approximately 18W at full load, keeping cabinet temperatures manageable.
• Ripple & Noise: ±2.5% Vout, ensuring clean power for sensitive electronics.
• Dynamic Response: Typical 0.1ms recovery time for load transients.
• Protection: Electronic shutdown with automatic restart, plus additional control loop for overvoltage shutdown at approx. 30V.
• Isolation: SELV output voltage per EN 60950 and EN 50178, with leakage current <3.5mA (typ. 0.3mA).
• Certifications: UL listed (UL 508), CSA (CSA 22.2 No.14-95), Class I Div.2 Groups A,B,C,D T4.
• EMC Compliance: EN 55022 Class B, EN 61000-3-2, EN 61000-6-2.
• Operating Temperature: 0 to +60°C with natural convection; storage -40 to +85°C.
• Climatic Class: 3K3 per EN 60721, no condensation.
• Dimensions (WxHxD): 80 x 125 x 120 mm.
• Weight: 0.74 kg.
• Mounting: Snap-mounting on S7 rail, with optional DIN rail adapter and connecting comb.

One standout feature is the additional control loop that shuts down the output at approximately 30V and automatically restarts. This protects connected equipment from overvoltage events without manual intervention, reducing downtime and maintenance visits.

Applications and Use Cases

The 6ES7307-1EA00-0AA0Its compact form factor fits neatly into standard S7-300 enclosures, while the wide temperature range supports installations in unheated cabinets or warm production areas.

For example, in a bottling line, this power supply can reliably feed 24V sensors and actuators, ensuring consistent operation even during peak load fluctuations. Similarly, in a packaging machine, the fast dynamic response of 0.1ms helps maintain stable voltage during rapid motor starts.

Installation and Setup

Mounting the 6ES7307-1EA00-0AA0 is straightforward: snap it onto a standard S7 rail. For DIN rail installations, use the optional mounting adapter. Connect input and output wires using the screw-type terminals, which accept 0.5 to 2.5 mm² single-core or finely stranded conductors. Ensure proper grounding and follow local electrical codes.

Before powering up, verify that the input voltage matches your supply (single-phase or two-phase). The unit automatically handles both, but confirm the voltage range with your facility's specifications. After wiring, check for any loose connections and ensure the enclosure provides adequate ventilation for natural convection cooling.

Maintenance and Reliability

To keep the 6ES7307-1EA00-0AA0 operating at peak performance, perform periodic visual inspections. Check for dust accumulation on the housing and ensure air vents remain unobstructed. Verify that all terminal screws are tight and that no signs of overheating or discoloration appear.

Given its high efficiency and low power loss, this power supply runs cooler than many alternatives, extending component life and reducing the need for forced cooling. The built-in overvoltage shutdown and automatic restart features also minimize the risk of damage from transient events, contributing to overall system reliability.

Compatibility and Integration

It is designed to be used within the S7-300 environment, providing clean, regulated DC power to the backplane and I/O modules. The SELV output ensures safe operation for low-voltage circuits.

For expanded installations, the optional connecting comb allows parallel connection of multiple units for higher current requirements or redundancy. Always consult the official Siemens documentation for detailed integration guidelines.

Troubleshooting and Common Issues

If the output voltage drops or the unit shuts down, check the input supply for voltage dips or phase loss. The electronic shutdown feature triggers at approximately 30V, so verify that the output is not being overloaded beyond the 5.5 to 6.5A range. After an overload, the unit automatically restarts once the fault clears.

Leakage current is typically below 3.5mA, but if you notice higher values, inspect the grounding and insulation. For persistent issues, consult the Siemens manual or contact AutoDCSTech for technical support.

Product Support and Availability

The 6ES7307-1EA00-0AA0 is available from AutoDCSTech. Contact us for current stock, pricing, and delivery options. Our team can assist with technical questions and ensure you get the right power solution for your automation needs.