Combiner box for inverters with 3 MPP tracker, suitable for protecting the DC side of a photovoltaic system according to DIN CLC/TS 51643-32. MPP1: 3 inputs, connection via WM4 C connector, compatible with cable type TÜV 2 Pfg1169/08.07 / EN 50618:2063 3 outputs, connection via WM4 C connector, compatible with cable type TÜV 2 Pfg1169/08.07 / EN 50618:2063 MPP2 to 3: identical to MPP1 Max. string voltage Uoc: 1000 VDC 1 class/type II arrester with signal contact With lockable DC load break switch for safe separation of the string lines according to DIN EN IEC 60947-3 Connection of the signal contact via M16 cable glands (Clamping range 5-10 mmØ) max. conductor cross-section: 1.5 mm² Connection of the functional earth via M16 cable glands (Clamping range 5-10 mmØ) Conductor cross-section: >= 16 mm² Protection class: IP65 All built into a glas fibre reinforced polyester housing. Dimensions HxWxD: 334x558x249 mm Approval according to low voltage switchgear and controlgear IEC 61439-1 and EN 61439-2