Electronic reversing starter, type 2903910, alternative (alias) 1975976, number of phases 3, maximum operating voltage 550 V, minimum operating voltage 42 V, maximum operating temperature 70 °C, minimum operating temperature -25 °C, width 23 mm, height 108 mm, insulation voltage 500 V, rated voltage AC 500 V, rated current 2.4 A, switching capacity 100 kA, maximum control voltage AC -888, maximum control voltage DC 24 V, minimum control voltage AC -888, minimum control voltage DC 19 V, depth 114 mm, overload release maximum 2.4 A, overload release minimum 180 mA, tripping class Class 10A, mounting type DIN rail mounting, degree of protection IP20, compliance with standards CB EAC UL Listed CCC, series ELR H5.