Core Functionality and Application
The Siemens 6ES7307-1KA00-0AA0 power supply provides reliable DC power for the SIMATIC S7-300 PLC system. This module converts 120/230 VAC input into a stable 24 VDC output for backplane operation. It supplies power to the CPU, signal modules, and communication processors efficiently. Furthermore, the unit includes built-in overload and short-circuit protection for safe operation .
Technical Specifications
The following table details the core technical parameters for the Siemens 6ES7307-1KA00-0AA0:
| Parameter | Specification |
|---|---|
| Model Number | 6ES7307-1KA00-0AA0 |
| Product Type | Power Supply Module (PS 307) |
| Input Voltage | 120/230 VAC (automatic range selection) |
| Input Frequency | 50/60 Hz |
| Output Voltage | 24 VDC (regulated) |
| Output Current | 3 A |
| Output Power | 72 W |
| Efficiency | Approx. 87% at 230 VAC |
| Dimensions (W × H × D) | 8.0 × 12.5 × 12.0 cm (3.15 × 4.92 × 4.72 in) |
| Weight | 0.5 kg (1.10 lbs) |
| Protection Class | I (with protective conductor) |
| MTBF | >100,000 hours |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| LED Indicators | 24V OK (green) |
| Compatibility | SIMATIC S7-300 PLC systems |
Design and Protection Features
The Siemens 6ES7307-1KA00-0AA0 features a compact design that occupies one slot on the S7-300 DIN rail. A green LED indicates the output voltage status for immediate verification. The module includes primary-side protection against overvoltage and short circuits . Secondary-side protection prevents overload damage to connected modules . The unit also offers immunity to brief input voltage dips and surges.
System Integration and Use Cases
The Siemens 6ES7307-1KA00-0AA0 integrates seamlessly with all S7-300 CPU and I/O modules . It connects directly to the backplane bus for simple installation . System integrators use this power supply in manufacturing, automotive, and process control applications . The wide input voltage range accommodates both European (230V) and North American (120V) power networks .
Details
| Weight | 1.2 kg |
|---|---|
| Dimensions | 50 × 290 × 217 mm |
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