Siemens 6ES7307-1KA01-0AA0 Regulated Power Supply Module

Description

Siemens 6ES7307-1KA01-0AA0 Regulated Power Supply Module

Product Dimensions：

The Siemens 6ES7307-1KA01-0AA0 is a stabilized load power supply from the SIMATIC S7-300 series, commonly referred to as the PS 307 (Power Supply 307). It is specifically designed to provide a reliable 24 V DC power source for S7-300 CPUs and I/O modules.

Product Detailed Description

The 6ES7307-1KA01-0AA0 is a 10 Ampere power supply module that mounts directly onto the S7-300 standard DIN rail. It serves as the primary power source for the backplane bus and the sensors/actuators connected to the PLC system. It is known for its “system-tested” compatibility, meaning it is electronically and mechanically matched to the rest of the SIMATIC S7-300 hardware.

Technical Parameters

Product Advantages

• Perfect Integration: Designed to sit on the S7-300 rail with a specialized “comb” connector that can provide power to the CPU without additional external wiring.
• Automatic Range Switching: The module detects whether the input is 120 V or 230 V AC and switches automatically, reducing the risk of human error during installation.
• Redundant Protection: Features built-in overvoltage and short-circuit protection, ensuring that a fault in one field device does not damage the expensive PLC CPU.
• Reliability: High Mean Time Between Failures (MTBF) makes it suitable for 24/7 continuous industrial operations.
• Diagnostic LED: A clear green LED on the front panel provides an immediate visual status of the 24 V DC output.

Important Considerations (Precautions)

• Heat Dissipation: To ensure proper cooling, maintain a minimum clearance of 40 mm above and below the module. Do not cover the ventilation slots.
• Parallel Connection: This specific model is not designed for direct parallel connection to increase total current. If higher current is needed, use a single larger SITOP power supply.
• Grounding: The M terminal (0V) should be correctly referenced to the functional ground (PE) according to your local electrical standards to prevent “floating” potential issues.
• Inrush Current: Be aware that at startup, the module has a high inrush current (approx. 65 A). Ensure that your upstream circuit breakers (MCBs) are rated appropriately (typically C-curve).

Product Applications

The PS 307 10A is the “backbone” of many automation systems:

• Large-Scale S7-300 Systems: Ideal for racks containing a high density of digital and analog I/O modules that exceed the power limits of the 2A or 5A models.
• Centralized Power: Supplying 24 V DC to HMIs (like SIMATIC Comfort Panels) and small managed Ethernet switches located within the same cabinet.
• Machine Building: Used in complex machinery where multiple sensors, solenoids, and indicators require a stable 10A current source.
• Process Automation: Often found in water treatment, food processing, and automotive assembly lines where Siemens S7-300 is the primary controller.

Shipping Port: Xiamen, China

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