Product Overview

The Siemens 6ES7307-1BA00-0AA0 is a high-stability load power supply module designed specifically for the SIMATIC S7-300 PLC series. Acting as the primary energy source for the controller rack, this PS307 unit converts standard AC line voltage into the precise 24V DC required by CPUs and auxiliary signal modules. Its design emphasizes electrical isolation and ripple-free output to protect sensitive logic circuits from industrial power surges. Engineered for seamless mechanical integration, the 6ES7307-1BA00-0AA0 mounts directly onto the S7-300 rail, providing a compact and efficient power solution that ensures consistent system uptime across diverse automation architectures.

Engineering Specifications and Power Profile

• Output Voltage: 24V DC (stabilized and short-circuit proof)

• Output Current: 2.0 Amperes

• Input Voltage Versatility: Single-phase AC 120/230V (automatic range switching)

• Operational Input Range: 85–132V AC / 170–264V AC

• Line Frequency: 47 to 63 Hz

• Efficiency: Typically 84% at rated load

• Mains Buffering: Minimum 20ms power-failure bridging

• Physical Weight: 0.45 kg (Net Unit) / 0.95 kg (Shipping Mass)

• Unit Dimensions: 4.5 x 12.5 x 12 cm (Note: S7-300 standard form factor)

• Installation: Standard S7 rail mounting

• Manufacturing Origin: Germany

Industrial Deployment and Energy Distribution

The 6ES7307-1BA00-0AA0 is a foundational component for ensuring electrical integrity in automated environments. Its primary roles include:

• Central Rack Powering: Providing dedicated 24V DC logic power to S7-300 CPUs (such as CPU 312, 314, or 315) and localized I/O modules.

• Small-Scale Machine Automation: Ideal for stand-alone machinery where a 2A current limit is sufficient for the controller and basic sensors.

• Global Infrastructure Projects: Leveraging its wide-range input capabilities to operate reliably on different international power grids without hardware modification.

• Distributed Control Cabinets: Supporting remote I/O stations in factory automation where localized, regulated DC power is necessary to maintain signal fidelity over distances.

• Maintenance and Retrofits: Serving as an OEM-standard replacement to restore power stability in existing SIMATIC S7 installations.