XB4BA51

Harmony XB4, Push button, metal, flush, yellow, ?22, spring return, unmarked, 1 NO

XB4BA55

Push button, Harmony XB4, 22 mm PB, yellow, with contacts

XB4BA61

Harmony XB4, Push button, metal, flush, blue, ?22, spring return, unmarked, 1 NO

XB4BA711237

Triple headed push button, Harmony XB4, white flush/red projecting/black flush pushbutton ?22 mm 1NO1NC1 NO

XB4BA731327

Harmony XB4, Triple-headed push button, metal, ?22, marked, 1 green flush I 1 red projecting STOP 1 green flush II, 2 NO 1 NC

XB4BA821

Harmony XB4, Push button reset, metal, flush, black, ?22, 6??6 mm actuation distance, unmarked

XB4BA822

Manual overload reset push button, Harmony XB4, black flush pushbutton ?22 mm for 16...26 mm actuation distance

XB4BA921

Manual overload reset push button, Harmony XB4, black flush pushbutton ?22 mm for 30...130 mm actuation distance

XB4BA922

Manual overload reset push button, Harmony XB4, black flush pushbutton ?22 mm for 130...257 mm actuation distance

XB4BA941

Harmony XB4, Push button reset, metal, flush, red, ?22, 30??30 mm actuation distance,unmarked