Product Overview

The 6ES7307-1EA01-0AA0 is a dedicated load power supply unit engineered specifically for the SIMATIC S7-300 PLC platform. As a core member of the PS-307 series, this module facilitates the conversion of single-phase alternating current into a stabilized 24V DC output. Its mechanical design is perfectly harmonized with the S7-300 mounting rail system, allowing it to sit flush with the CPU and expansion modules. This unit serves as the primary energy source for the backplane bus and connected signal modules, ensuring that delicate logic circuits receive a consistent, ripple-free voltage supply even amidst the electrical noise common in industrial environments.

Technical Architecture and Hardware Parameters

• Model Designation: PS-307 (5 Ampere)

• Order Code: 6ES7307-1EA01-0AA0

• Input Voltage: 120/230V AC (Automatic range selection)

• Output Voltage: 24V DC (Short-circuit and open-circuit proof)

• Rated Output Current: 5A

• Efficiency Rating: Approximately 87%

• Module Width: 60 mm

• Net Weight: 0.95 kg

• Physical Dimensions: 2.5 cm x 5.1 cm x 83.8 cm

• Operating Temperature Range: 0°C to +60°C

• Isolation: Primary/secondary galvanic isolation

Industrial Utility and Deployment Scenarios

The PS-307 5A module is the standard choice for medium-scale automation projects where the S7-300 architecture is deployed. Typical applications include:

• Centralized Control Cabinets: Providing the main power rail for S7-300 CPUs (such as CPU 315-2DP) and associated digital/analog I/O cards.

• Automotive Assembly Lines: Ensuring uninterrupted logic processing for high-speed robotics and sensor arrays where voltage stability is critical for safety.

• Food and Beverage Processing: Operating in environments requiring reliable DIN-rail mounted power solutions that can handle the thermal cycles of production facilities.

• Water Treatment Facilities: Powering remote telemetry units and PLC racks in decentralized pump stations.

• Machine Tooling: Supplying filtered 24V DC to electronic limit switches, solenoid valves, and HMI panels integrated into heavy machinery.