The Siemens 6ES5955-3NA11 power supply delivers regulated DC voltage for industrial automation systems. Engineers select this unit for dependable power delivery across manufacturing environments. Moreover, its compact housing supports straightforward integration into existing SIMATIC S5 racks.
Interface and Connectivity
The unit links to the backplane connector for reliable power distribution. Additionally, it provides screw terminals for AC input and DC output wiring. These terminals accept standard wire gauges, therefore covering common industrial installation requirements. Status indicators show output health, which simplifies troubleshooting considerably.
Physical Dimensions and Weight
The unit measures 25 mm in width, 125 mm in height, and 110 mm in depth. Furthermore, it weighs approximately 180 grams, which reduces panel load. Consequently, technicians mount it easily on standard DIN rails.
Component Count and Energy Storage
The 6ES5955-3NA11 integrates rectifier circuits for stable DC conversion. It also contains one filtering capacitor rated at 220 µF for output smoothing. Therefore, this energy storage element suppresses ripple during load changes. The board carries roughly 140 discrete components for dependable operation.
Technical Specifications Table
| Parameter | Specification |
|---|---|
| Model | 6ES5955-3NA11 |
| Category | Power Supply |
| Input Type | AC Mains |
| Output Type | Regulated DC |
| Dimensions (W×H×D) | 25 × 125 × 110 mm |
| Weight | ~180 g |
| Connector Type | Backplane / Screw Terminal |
| Energy Storage | 220 µF Capacitor |
| Operating Temperature | 0°C to 60°C |
Why This Unit Suits Industrial Applications
System integrators value the 6ES5955-3NA11 for its stable output and simple wiring. Meanwhile, the filtering capacitor protects connected modules from voltage ripple. As a result, system reliability improves while maintenance costs decrease.
Details
| Weight | 0.5 kg |
|---|---|
| Dimensions | 250 × 25 × 210 mm |
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