https://clafpower.com/products/21/isolation%3A-1500vdc.html
Isolation: 1500VDC
CLAF's DF series isolated DC/DC converters are available in multiple package such as SIP, DIP, SMD, etc. With operating temperature range of -40°C to +85°C, the products can be used for PCB mounting power isolation. The isolation is 1500VDC with various protection and complete product certification according to related standards.