Yaskawa DC Power Input Σ-V Series - Manual (Page 24)

E-22
6 Installation Conditions of UL Standards
To adapt SERVOPACKs to the UL standards, make sure that the following
conditions are met.
• Pollution degree: 2
• Protection class: IP10
• Altitude: 1000 m max.
• Short Circuit Current Rating (SCCR): 5000 A
Refer to “3.1 Input Power Supply, Molded-case Circuit Breaker, and
Fuse” for details of power supply selection.
• The main circuit power supply and the control power supply must be two
separate input power supplies.
• Power supplies must have double or reinforced insulation that conforms
to safety standards.