The Siemens 6ES7307-1KA00-0AA0 functions as a primary power supply module for SIMATIC S7-300 programmable logic controllers. This unit converts 120/230 VAC line voltage to regulated 24 VDC for backplane and I/O circuits. Engineers select this power supply for reliable system operation in industrial automation environments. Its slim design mounts directly on S7-300 DIN rails alongside other modules.
Technical Specifications
| Specification | Details |
|---|---|
| Dimensions | 80 mm x 125 mm x 120 mm |
| Weight | 0.6 kg |
| Input Voltage | 120/230 VAC auto-ranging (85-264 VAC) |
| Input Frequency | 50/60 Hz (47-63 Hz) |
| Output Voltage | 24 VDC ±3% |
| Output Current | 10 A continuous |
| Output Power | 240 Watts |
| Efficiency | 89% at nominal load |
| Ripple & Noise | 150 mV peak-to-peak maximum |
| Line Regulation | ±0.5% over entire input range |
| Load Regulation | ±1.0% from 0% to 100% load |
| Hold-up Time | 20 ms at nominal load |
| Inrush Current | 20 A maximum at 230 VAC cold start |
| Protection Features | Overcurrent, short circuit, overvoltage, overtemperature |
| Isolation | 3000 VAC input to output, 1500 VAC input to ground |
| Backplane Current | Supplies up to 10 A to S7-300 backplane |
| Diagnostics | Green LED for output OK, red LED for overload |
| Cooling | Internal fan with speed control |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Humidity | 5% to 95% non-condensing |
| MTBF | 500,000 hours at 40°C |
| Certifications | CE, UL 508, CSA C22.2, cULus, ATEX |
Robust Power Delivery for S7-300 Systems
The 6ES7307-1KA00-0AA0 delivers a full 10 Amps at 24 VDC to power CPU, I/O, and function modules. This capacity supports large configurations with numerous analog and digital modules simultaneously. The supply maintains tight voltage regulation even during sudden load changes from output switching. Consequently, sensitive electronics receive clean, stable power for reliable operation.
Universal Input for Global Applications
This Siemens power supply accepts any line voltage from 85 to 264 VAC without manual switching. Its auto-ranging input circuit automatically adapts to 120 VAC or 230 VAC systems worldwide. You can therefore use the same module in North American and European installations without modification. The wide frequency range also accommodates unstable mains or generator power.
Comprehensive Protection and Diagnostics
Industrial power supplies must protect themselves and connected equipment from electrical faults. The 6ES7307-1KA00-0AA0 includes electronic short circuit protection with automatic recovery. Overvoltage protection clamps output below 30 VDC to safeguard sensitive electronics. Diagnostic LEDs provide immediate visual indication of power status and overload conditions.
Intelligent Thermal Management
The internal fan operates only when needed, reducing noise and extending service life. Temperature sensors adjust fan speed based on internal heat dissipation requirements. This intelligent cooling allows full 10 Amp output up to 60°C ambient temperature. The fan includes a replaceable filter for operation in dusty industrial environments.
Seamless Integration with SIMATIC S7-300
The Siemens 6ES7307-1KA00-0AA0 mounts directly on standard S7-300 DIN rails using built-in clips. Its integrated backplane connector supplies power to adjacent modules without external wiring. The slim 80 mm width occupies minimal space in control cabinets. This module fits all S7-300 racks and expansion configurations seamlessly.
Details
| Weight | 1.2 kg |
|---|---|
| Dimensions | 50 × 290 × 217 mm |
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