The following series may meet your needs.
The rated voltage is shown.
QR/P series : 840VDC for power supply, 250VDC for signal
QR/P1 series : 350VDC for power supply, 175VDC for signal
QR/P4 series : 420VDC for power supply, 350VDC for signal
QR/P6 series : 168VDC for power supply and signal