The safety functions are not evaluated by UL. The approval is
accomplished according WS0-4RO4002 PDF to UL508, general use appllications Mitsubishi WS0-4RO4002 Manual WS0-4RO4002 WS0-4RO4002 Manual PDF User's Manual(HHardware).
Mitsubishi WS0-4RO4002 PDF WS0-4RO WS0-4RO4002 PDF PDF Manual.