Can I purchase the J1 connector for PWR-01 series?

The following options for the J1 connector are available for purchase:
OP01-PWR-01: J1/J2 connector plug kit
OP02-PWR-01: Parallel operation cable for 2 units (length: approx. 400 mm)
OP03-PWR-01: External-control cable and connector set (length: approx. 500 mm)