It is wise to check that your power supply is compatible with your DIN Rail. Points to consider when buying a DIN Rail power supplyĭIN Rail size – There are three common types of DIN Rails. They are used to power a wide variety of DC operated devices including sensors, motors, actuators, solenoids, relays and many more. DIN Rail AC to DC power supplies are widely used in many automation, instrumentation and industrial applications. Most power supplies are convection cooled so no cooling fans are needed. Similar devices can be mounted next to each other reducing the amount of cabling required. Power supplies can be easily organised on DIN Rails within enclosed wall boxes or in areas where there is limited space. The flexibility of DIN Rail mounting systems enables quicker installation time as all devices are able to simply snap onto the metal rails.
ON/OFF switches for possible swapping of modules.Diagnostic LED for indicating Output voltage 24 V dc O.K.".The system and load current supplies are screwed directly onto the S7-300 standard mounting rail and can be mounted directly to the left of the CPU.Regardless of the industry or requirements, Siemens offers reliable and efficient power supplies for every plant. Extensive certifications such as UL, ATEX and GL enable universal use.
The 24 V supply of other S7-300 system components, input/output circuits of the I/O modules and, if applicable, sensors and actuators is also possible. The power connector, which is included in the scope of delivery of the system and load power supply, enables quick supply of the CPU. The SIMATIC PS307 single-phase load power supply (system and load power supply) with automatic input voltage range selection is optimally adapted to the SIMATIC S7-300 controller in its design and functionality.
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