DC-rated MCB for 72 V circuits
The 5SL5220-7CC: This breaker is designed specifically for DC operation up to 72 V maximum, not for AC mains. The 2-pole design switches both the positive and negative lines in a DC circuit, providing full isolation.
Width of 36 mm (2 modular units) and depth of 76 mm fit standard DIN-rail enclosures.
Environmental and material specs
Halogen-free and silicon-free construction reduces corrosive off-gassing in the event of a fault — relevant for sealed panels with sensitive electronics.