Siemens SIMATIC RF610T ATEX System Manual page 486

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Accessories
10.1 Wide-range power supply unit for SIMATIC RF systems
The wide-range power supply unit (protection class I, degree of protection IP67) has four
mounting holes for securing the device.
I I nstallation instructions
The power supply unit must be connected with the described connecting cables in the
primary and secondary circuits. The connectors at the power supply unit end may only be
removed or inserted when no voltage is applied. The degree of protection IP67 is only
achieved with correctly connected and locked connectors. Adequate spacing around the
power supply unit should be provided to ensure free convection. The connection of the
voltage supply must be made taking into account the valid country-specific regulations. It
must be possible to de-energize the power supply unit using a suitable device outside the
voltage supply. The device is connected with connectors "L" to phase and "N" to the neutral
conductor of the power network. The "PE" connector must be connected to the protective
conductor (see dimensions and pin assignment). The power supply unit may only be
operated with a connected protective conductor. The power supply unit is maintenance-free
and contains no parts to be changed by the user. The power derating when operating at an
ambient temperature of above 50 °C must be ensured by the user. The base area of the
power supply unit is screwed onto the mounting plate or mounting wall using the four
mounting holes (e.g. screw and washer M5). Optimum cooling by natural convection must be
assured at the mounting location. When used where CSA C22.2 No 107.1-01 applies a
separating element must be provided for the output circuit.
486
System Manual, 06/2019, J31069-D0171-U001-A22-7618
SIMATIC RF600

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