Q.Please provide the recommended breaker (circuit protector) capacity. Power Supplies >  Switching Power Supply >  AC-DC Power Supplies/ DC-DC Converters A. Please consider one with a capacity that is of the same fuse capacity shown in the manual. Please also make your selection from among delayed types (time-lag types) as there is the flow of surge currents. Related Information Power Supplies Product Information Power Supplies Tech Notes Contact Information   Inquiries on products, sales and technical matters