Product Introduction
The Siemens 6ES7307-1EA01-0AA0 SIMATIC PS307 is a regulated power supply module designed for industrial automation environments. This unit delivers a stable 24 VDC output at 5 A, making it ideal for powering S7-300 PLC systems and associated field devices. With automatic range selection for 120/230 VAC input, the 6ES7307-1EA01-0AA0 simplifies commissioning across global installations. Its compact form factor and rail-mount design streamline cabinet integration.
Technical Specifications
The following key parameters define the performance of the Siemens 6ES7307-1EA01-0AA0:
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Input voltage: 85–132 VAC or 170–264 VAC (auto-ranging)
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Output voltage: 24 VDC (adjustable: no)
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Rated output current: 5 A
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Efficiency: 87%
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Power loss: typical 18 W
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MTBF at 40°C: 2,480,589 hours
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Protection class: IP20
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Dimensions (W×H×D): 60 × 125 × 120 mm
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Net weight: 0.6 kg
The unit features electronic short-circuit protection with automatic restart, overvoltage protection, and a green LED for 24V OK status. Residual ripple is kept below 50 mV (max), ensuring clean power for sensitive loads.
Industry Applications
The Siemens 6ES7307-1EA01-0AA0 is commonly deployed in:
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Manufacturing lines: Powering S7-300 controllers and remote I/O stations where consistent 24V supply is critical.
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Process control: Providing isolated DC power for field transmitters and actuators in chemical or pharmaceutical plants.
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Material handling: Supplying energy to conveyor systems and robotic cells that demand high reliability.
By choosing the 6ES7307-1EA01-0AA0, facilities benefit from an 87% efficiency rating, which translates to lower energy costs over the product’s lifespan. The exceptional MTBF of over 2.4 million hours reduces unplanned downtime and maintenance expenses.
Installation & Setup Guidance
Mount the Siemens 6ES7307-1EA01-0AA0 onto a standard S7 rail using the integrated latch mechanism. Ensure 40 mm clearance above and below for natural convection cooling. Connect the single-phase AC supply (L, N, PE) using screw terminals accepting 0.5–2.5 mm² wire. The output terminals (L+, M) have three positions each for daisy-chaining loads. Refer to the included manual for proper fuse protection: recommend a 6 A miniature circuit breaker with characteristic C. Allow at least 2 seconds for the output to stabilize after power-up.
Maintenance & Reliability
The Siemens 6ES7307-1EA01-0AA0 requires minimal routine care. Periodically inspect the unit for dust accumulation on ventilation grilles and clean with dry compressed air. Verify the green LED is illuminated during normal operation. The power supply is rated for 0–60°C ambient temperature with natural convection; ensure ambient conditions stay within this range. With Mean Time Between Failures exceeding 2.4 million hours, the 6ES7307-1EA01-0AA0 delivers exceptional long-term reliability, reducing total cost of ownership.
Selection Guide & Purchasing Advice
When ordering the Siemens 6ES7307-1EA01-0AA0, confirm compatibility with your S7-300 system voltage (120 or 230 VAC). Optional accessories include the mounting adapter for standard 35 mm DIN rail (part number 6EP1971-1BA00). PLC Source PRO offers genuine Siemens modules with fast shipping. For bulk or urgent requirements, contact us at ubest101 for stocking information and volume discounts.