Description
SIEMENS 6ES7307-1EA01-0AA0 Power Supply Module
Product Dimensions:
The SIEMENS 6ES7307-1EA01-0AA0 is a stabilized power supply unit from the SIMATIC S7-300 series, commonly known as the PS 307 (Power Supply 307). It is specifically designed to provide a reliable 24V DC power source for S7-300 CPUs and their associated modules.
1. Technical Specifications
| Parameter | Specification |
| Input Voltage | 120/230 V AC (Automatic range switching) |
| Input Frequency | 50/60 Hz |
| Output Voltage | 24 V DC (Stabilized) |
| Output Current | 5 A |
| Output Power | 120 W |
| Efficiency | Approx. 87% |
| Short-circuit Protection | Yes, electronic (Short-circuit proof) |
| Mounting | S7-300 Rail Mounting |
| Dimensions (W x H x D) | 60 x 125 x 120 mm |
| Weight | Approx. 0.6 kg |
2. Product Advantages
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System Compatibility: Designed as a “system” component. It fits perfectly on the S7-300 mounting rail and connects seamlessly to the CPU via the supplied power connector (comb-type).
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Automatic Range Switching: The unit automatically detects whether the input is 120V or 230V AC, reducing configuration errors and simplifying global deployment.
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High Reliability: Built to industrial standards, offering long service life and high Mean Time Between Failures (MTBF).
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Slim Design: Its compact 60mm width saves valuable space in the control cabinet.
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Integrated Protection: Features robust protection against short circuits, overloads, and idling.
3. Key Precautions & Maintenance
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Cooling: Ensure sufficient ventilation. A minimum clearance of 40 mm above and below the device is recommended to allow for natural convection cooling.
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Wiring: Always use the correct cable cross-sections as specified in the manual to prevent overheating.
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Environment: Avoid installation in environments with high humidity, conductive dust, or corrosive gases without proper secondary enclosures.
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Polarity: Ensure correct polarity when connecting to the CPU or other modules to avoid damage.
4. Product Applications
The PS 307 5A is versatile but primarily used in the following scenarios:
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SIMATIC S7-300 Powering: The standard power source for S7-300 PLCs in manufacturing and process automation.
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Sensor/Actuator Supply: Providing 24V DC to sensors, relays, and small electromagnetic valves within the automation cell.
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Distributed I/O: Powering ET 200M remote I/O stations.
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Industrial Control Panels: Used as a general-purpose 24V DC supply where high vibration resistance and rail-mounting are required.
5. Summary Recommendation
The 6ES7307-1EA01-0AA0 is the “workhorse” power supply for the S7-300 range. If you are building a system that requires more than 2A but less than 5A of total current, this is the most cost-effective and space-efficient choice.
Shipping Port: Xiamen, China
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service
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