Control and signalling units 22 Harmony style 4 Pushbuttons, switches and pilot lights, with chromium plated metal bezel Characteristics : pages 1/10 to 1/13 References : General pages 1/14 to 1/53 Dimensions : pages 1/54 to 1/61 Description The 22, style 4 range of control and signalling units comprises : 1 Complete units XB4-B Pushbuttons Pilot lights Sub-assemblies for user assembly ZB4-B Pushbuttons: Pilot lights : Head and body sub-assemblies Head and body sub-assemblies Component parts and accessories ZB 1/2 TeControl and signalling units 22 Harmony style 4 Pushbuttons, switches and pilot lights, with chromium plated metal bezel Characteristics : pages 1/10 to 1/13 References : General (continued) pages 1/14 to 1/53 Dimensions : pages 1/54 to 1/61 Schematic library Pushbuttons and Emergency stop pushbuttons 1 Pushbutton Pushbutton Mushroom head, Emergency stop latching N/O contact N/C contact spring return mushroom head. Push-pull N/O contact N/C contact Emergency stop trigger Emergency stop trigger Emergency stop trigger Emergency stop trigger action mushroom head action mushroom head action mushroom head action mushroom head Push-pull Turn to release - N/C contact Key release - N/C contact Turn to release N/O + N/C contact N/O + N/C contact Emergency stop trigger action mushroom head Key release Double headed pushbutton N/O + N/C contact N/O + N/C contact Selector switches 1 2 0 1 2 1 0 2 1 2 Selector switch - 2 position, Selector switch - 3 position, Selector switch - 3 position, Selector switch - 2 position, stay put stay put 2 spring return to centre stay put, key withdrawal LH N/O contact N/O + N/O contact N/O + N/O contact position - N/O contact 1 2 Selector switch - 2 position, spring return from right to left, key withdrawal LH position N/O contact Pilot lights IN DEL IN 230 V c 6 V Pilot light with BA 9s LED pilot light Pilot light with integral transformer, 110/120 V ccccc primary, incandescent bulb 6 V secondary BA 9s incandescent bulb Illuminated pushbuttons and selector switches IN LED IN LED 120 V c 250 V max. 6 V Illuminated pushbutton Illuminated pushbutton Illuminated pushbutton Double-headed pushbutton BA 9s incandescent bulb LED with integral transformer, with LED pilot light N/O + N/C contact N/O + N/C contact 110/120 ccccc 50/60 Hz primary, N/O + N/C contact 6 V secondary. 1 2 BA 9s incandescent bulb LED N/O + N/C contact Illuminated selector switch LED - 2 position stay put N/O + N/C contact Joystick controllers DD D 2 direction 4 direction AA 00 BB A 0 B A0 BA 0 B CC C Without With Without With spring spring return spring return spring return return 1/3 Te 14 13 24 23