Siemens 6ES5955-3NC11 Power Supply Unit

Reliable 24V DC Power for SIMATIC S5 PLC Systems

The 6ES5955-3NC11 power supply unit, also known as the PS955, provides stable 24V DC power for SIMATIC S5 programmable logic controllers and electronic systems. This module delivers a maximum output current of 10A, making it suitable for powering multiple I/O modules and communication processors in a rack . Furthermore, the PS955 features a compact design that saves valuable space within control cabinets .

Technical Specifications

Input Range and Global Compatibility

The 6ES5955-3NC11 accepts an input voltage range of 120 to 230 V AC at 50/60 Hz, making it suitable for use in various regions across the globe . Consequently, this module offers excellent versatility and adaptability to different power supply standards and requirements.

Protection Features and Reliability

The PS955 includes built-in overload and short-circuit protection mechanisms, ensuring reliable and safe operation even under demanding conditions . Its high-quality components provide a long service life and robust construction. Furthermore, straightforward installation simplifies integration into existing systems .

Product Status and Availability

Siemens discontinued the 6ES5955-3NC11 effective February 1, 2000 . Despite this legacy status, users may still source this module through various industrial automation distributors offering new old stock or refurbished units with warranty coverage. For new installations, Siemens recommends migrating to current S7 power supply platforms.