Three-phase switching power supply with 400 to 500 V AC input voltage and 24 V/20 A DC output Siemens SITOP PSU300S with the following features:
Designed for industrial applications, it offers high stability and protection, with an adjustable output and a buffering function to prevent power interruptions.
The SITOP PSU300S accepts a three-phase input from 400 to 500 V AC, with a wide operating range between 340 and 550 V. The mains frequency is variable between 47 and 63 Hz, making it compatible with various mains conditions. This power supply provides a start-up current limitation to 36 A, protecting the system from initial overloads.
The nominal DC output of 24 V can be adjusted between 24 and 28 V, with a maximum output of 480 W. With short-circuit protection, the unit maintains stability and safety even under temporary overload conditions, with a peak current of 35 A in the event of a short circuit or startup.
A green LED indicates normal operation (24 V O.K.), and the built-in relay output allows monitoring of operation, emitting a signal in case of an error. This feature ensures constant control of the system, improving power supply reliability.
With an IP20 degree of protection and marine approval, the SITOP PSU300S is suitable for demanding industrial environments. It is designed to operate in ambient temperatures between -25 and +60 °C due to natural convection, offering strength and durability, and is DIN rail mountable.
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