For applications requiring UL 1310/508 Listed Class 2 approval, Phoenix Contact now includes the Mini Power 24 V/100 W power supply unit to their product portfolio.
The basic definition of the American NEC (National Electric Code) Class 2 safety regulation states that power supplies should have a maximum output power of 100 W. However, other safety requirements such as protection against short circuits and surge voltages also need to be observed. The UL 1310 standard specifies all the requirements that have to be met by a power supply in NEC Class 2 applications. For applications working with no secondary fuses, this limit to 100 W makes their everyday production life safer.
The output voltage is adjustable between 22,5 V d.c. and 26 V d.c. In nominal conditions, the output current is limited to 3,8 A. A power failure bridging time of more than 20 ms at full load and preventive function monitoring offer a high degree of operational reliability even in unstable networks. Further advantages offered are parallel connection and the wide temperature range of -25°C to +70°C.
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