Two-pin fireman's switch, switches off DC strings in the PV system using the motor DC load-break switch with motor, 50 A@1000 V DC and 20 A@1500 V DC, 2 pins, rear mounting on DIN rail/with 2 screws, load-break switch + motor unit + status indicator Two DC pins = one input/MPPT = one string. One motor can switch a maximum of ten DC poles = five strings. https://elecena.pl/product/30478888/dx150301muaedsc-fireman-s-switch-dc-load-break-switch-two-pin 2026-07-09 https://elecena.pl/product/30478888/dx150301muaedsc-fireman-s-switch-dc-load-break-switch-two-pin 2026-10-03