Market segments The compact 16mm Series 51 is particularly suited for applications in the areas: The Series 51 incorporates the following functions: The EAO Series 51 is especially suited for applications in the segments: Flush design Raised design PCB (with adaptor) The low level switching element is laid out for low current applications. Indicator Pushbutton Illuminated pushbutton Stop switch Keylock switch Selector switch Machinery and Automation Panel building Please refer to the EAO website to obtain detailed information regarding this series www.products.eao.com Configure a product to your exact needs and request a quotation.

Flush design Raised design

Flush design Equipment consisting of (schematic overview) Product can differ from the current configuration. Dimensions [mm] H = Universal terminal 2.0 x 0.5 mm, L = Solder terminal, L1 = Solder terminal 2.8 x 0.5 mm Each Part Number listed below includes all the black components shown in the 3D-drawing. To obtain a complete unit, please select the red components from the page s shown. Wiring diagram Component layout The component layouts you will find from page 520 Indicator actuator square, flush design

Flush design Equipment consisting of (schematic overview) Lens Dimensions [mm] H = Universal terminal 2.0 x 0.5 mm, L = Solder terminal, L1 = Solder terminal 2.8 x 0.5 mm Product can differ from the current configuration. Additional Information Fixing nut Each Part Number listed below includes all the black components shown in the 3D-drawing. To obtain a complete unit, please select the red components from the page s shown. Wiring diagram Component layout Indicator actuator rectangular The component layouts you will find from page 520

Flush design Equipment consisting of (schematic overview) Product can differ from the current configuration. Dimensions [mm] H = Universal terminal 2.0 x 0.5 mm, L = Solder terminal, L1 = Solder terminal 2.8 x 0.5 mm Each Part Number listed below includes all the black components shown in the 3D-drawing. To obtain a complete unit, please select the red components from the page s shown. Wiring diagram Component layout The component layouts you will find from page 520 Indicator actuator round

Flush design Illuminated pushbutton square, IP 65 Equipment consisting of (schematic overview) Lens Dimensions [mm] H = Universal terminal 2.0 x 0.5 mm, L = Solder terminal, L1 = Solder terminal 2.8 x 0.5 mm Product can differ from the current configuration. Additional Information Fixing nut Each Part Number listed below includes all the black components shown in the 3D-drawing. To obtain a complete unit, please select the red components from the page s shown. Switching action Wiring diagram Switching system Component layout Illuminated pushbutton square Low-level element C Snap-action switching...

Flush design Wiring diagram 1 Wiring diagram 2 Wiring diagram 3 Wiring diagram 5 Wiring diagram 6 Wiring diagram 10 Wiring diagram 11

Flush design Illuminated pushbutton rectangular, IP 65 Equipment consisting of (schematic overview) Lens Dimensions [mm] H = Universal terminal 2.0 x 0.5 mm, L = Solder terminal, L1 = Solder terminal 2.8 x 0.5 mm Product can differ from the current configuration. Additional Information Fixing nut Each Part Number listed below includes all the black components shown in the 3D-drawing. To obtain a complete unit, please select the red components from the page s shown. Switching action Wiring diagram Switching system Component layout Illuminated pushbutton actuator rectangular Low-level element C...

Flush design Wiring diagram 1 Wiring diagram 2 Wiring diagram 3 Wiring diagram 5 Wiring diagram 6 Wiring diagram 10 Wiring diagram 11

Flush design Illuminated pushbutton round, IP 65 Equipment consisting of (schematic overview) Lens Dimensions [mm] H = Universal terminal 2.0 x 0.5 mm, L = Solder terminal, L1 = Solder terminal 2.8 x 0.5 mm Product can differ from the current configuration. Additional Information • For front dimension Ø 25 mm Each Part Number listed below includes all the black components shown in the 3D-drawing. To obtain a complete unit, please select the red components from the page s shown. Switching action Wiring diagram Switching system Component layout Illuminated pushbutton round Low-level element C Snap-action...

Flush design Wiring diagram 1 Wiring diagram 2 Wiring diagram 3 Wiring diagram 5 Wiring diagram 6 Wiring diagram 10 Wiring diagram 11

Flush design Keylock switch 2 positions, IP 65 Equipment consisting of (schematic overview) Dimensions [mm] H = Universal terminal 2.0 x 0.5 mm, L = Solder terminal, L1 = Solder terminal 2.8 x 0.5 mm Anti-twist ring Part of front bezel set Product can differ from the current configuration. Additional Information Fixing nut Each Part Number listed below includes all the black components shown in the 3D-drawing. • Front plastic black To obtain a complete unit, please select the red components from the page s shown. • Two keys are supplied with each key lock switch • Optional lock numbers on request...

Wiring diagram Flush design Component layout Switching system Switching action Switching angle Snap-action switching element Keylock switch actuator 2 positions rectangular, flush design 1 NC + 1 NO Low-level element Snap-action switching element

Switching action Switching angle Wiring diagram Switching system Component layout Flush design Keylock switch actuator 2 positions round, flush design 1 NC + 1 NO Low-level element A+C Snap-action switching element Contacts: NC = Normally closed, NO = Normally open Switching action: A = Rest, B = Momentary, C = Maintain The component layouts you will find from page 520

Flush design

Flush design Keylock switch 3 positions, IP 65 Equipment consisting of (schematic overview) Anti-twist ring Product can differ from the current configuration. Additional Information Part of front bezel set • Front plastic black • The standard lock: DOM 311 Switching element • Two keys are supplied with each key lock switch • Optional lock numbers on request Each Part Number listed below includes all the black components shown in the 3D-drawing. To obtain a complete unit, please select the red components from the page s shown. Switching positions (A = Rest, B = Momentary, C = Maintained) Switching...