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Series 19: Audio and video, Laboratory and measuring equipment
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Catalog excerpts

Series 19: Audio and video, Laboratory and measuring equipment - 1

Market segments The compact 8 mm Series 19 is especially suited for: The Series 19 incorporates the following functions: The EAO Series 19 is especially suited for applications in the segments: Raised design PCB (with adaptor) Indicator Pushbutton Illuminated pushbutton Audio and video Laboratory and measuring equipment The low level switching element is laid out for low current applications. 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.

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Series 19: Audio and video, Laboratory and measuring equipment - 4

Raised design Equipment consisting of (schematic overview) Product can differ from the current configuration. Additional Information • For LED element fitting information see «Application guidelines» 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 pages shown. Behind panel depth Wiring diagram Component layout Indicator actuator, Front dimension 9 x 9 mm The component layouts you will find from page 352 Indicator actuator, Front dimension Ø 9 mm

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Series 19: Audio and video, Laboratory and measuring equipment - 5

Raised design Equipment consisting of (schematic overview) 8 max. Product can differ from the current configuration. Additional Information • For LED element fitting information see «Application guidelines» 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 pages shown. Contact material Switching action Wiring diagram Switching system Component layout Illuminated pushbutton actuator, Front dimension 9 x 9 mm 1 NC Low-level element Snap-action switching element Illuminated pushbutton...

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Series 19: Audio and video, Laboratory and measuring equipment - 7

Product attribute Plastic yellow transparent Plastic blue transparent Plastic colourless transparent Plastic black opaque Plastic grey opaque Plastic green transparent Plastic white transparent 7.3 x 7.3 mm Plastic blue transparent illuminative, not recommended for film insert, holder transparent Plastic green transparent Plastic red transparent Plastic yellow transparent illuminative, holder translucent Plastic yellow transparent Plastic blue transparent Plastic colourless transparent Ø 7.3 mm Plastic green transparent Plastic white transparent Ø 7.3 mm Plastic blue transparent...

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Series 19: Audio and video, Laboratory and measuring equipment - 8

Blind plug Mounting cut-out Blind plug Blind plug

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Series 19: Audio and video, Laboratory and measuring equipment - 9

Rear side Component layout The component layouts you will find from page 352 Product attribute Flat receptacle Insulation sleeve Insulation sleeve

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Series 19: Audio and video, Laboratory and measuring equipment - 10

Additional Information • For LED element fitting information see «Application guidelines» • Luminosity and wave length variations caused by LED manufacturing processes may cause slight differences regarding the illumination Multi-LED, T1 Bi-Pin Additional Information • For LED element fitting information see «Application guidelines» • Luminosity and wave length variations caused by LED manufacturing processes may cause slight differences regarding the illumination Operating voltage Operation current

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Series 19: Audio and video, Laboratory and measuring equipment - 11

Filament lamp, T1 Bi-Pin Operating voltage Operation current Filament lamp 6 VAC/DC

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Series 19: Audio and video, Laboratory and measuring equipment - 12

Dressing tool Additional Information • For aligning buttons Dressing tool Lens remover

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Series 19: Audio and video, Laboratory and measuring equipment - 13

Lamp remover Additional Information p Caution: A switching process might be released when replacing the lamp Lamp remover Mounting tool Additional Information • For fixing nut long Part No. 19-991 Mounting tool

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Drilling plan (element side) Through-connection recommended Drilling plan (element side) Through-connection recommended

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Series 19: Audio and video, Laboratory and measuring equipment - 15

Technical data Actuator with snap-action switching element Switching system Electrical characteristics Single-break, snap-action switching system. 1 normally open contact Switch rating Silver plated: Max. 50 VAC/72 VDC, 0.8 A or 50 W Min. 20 V, 10 mA Material Material of contact Gold plated Silver, Silver plated Switch housing Polyetherimide (PEI), self-extinguishing Electric strength 2500 VAC, 50 Hz, 1 min. between all terminals and earth, as per IEC 60512-2-11 Actuator housing Polyphenyleneoxide (PPO), self-extinguishing, colour black Environmental conditions Mechanical characteristics...

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Series 19: Audio and video, Laboratory and measuring equipment - 16

Technical data Actuating travel 2.8 mm ±0.2 mm Rebound time Typ. < 100 μs Environmental conditions Storage temperature -40 °C … +85 °C Electrical characteristics Service temperature without illumination -25 °C … +65 °C with incandescent lamp -25 °C … +45 °C with LED -25 °C … +65 °C for indicators and illuminated pushbuttons mounted as a block,  make sure the heat can escape freely Shock resistance (Single impacts, semi-sinusoidal) 15 g for 11 ms, as per IEC 60512-4-3, IEC 60068-2-27 EAO reserves the right to alter specifications without further notice.

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Series 19: Audio and video, Laboratory and measuring equipment - 17

Application guidelines Suppressor circuits When switching inductive loads such as relays, DC motors, and DC solenoids, it is always important to absorb surges (e. g. with a diode) to protect the contacts. When these inductive loads are switched off, a counter emf can severely damage switch contacts and greatly shorten lifetime. Fig. 1 shows an inductive load with a free-wheeling diode connected in parallel. This free-wheeling diode provides a path for the inductor current to flow when the current is interrupted by the switch. Without this free-wheeling diode, the voltage across the coil...

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