Description
Otis Button FAA25090A311 Brief Introduction
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Product Name |
Otis Button |
| Model Number | FAA25090A311 |
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Quality
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Original.Brand New
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Payment
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T/T. Paypal. Western Union
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Delivery
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3-5 Working Days
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Packaging
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Packed by carton
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Otis Button FAA25090A311 – The Click That Starts Every Ride | Nanjing Zhuye Elevator Parts
Every elevator journey begins with a finger—and the Otis FAA25090A311 button is what that finger meets. This compact, vandal-resistant push-button combines a soft-touch silicone dome, gold-plated contacts and a halo RGB LED that confirms the call in 1 ms. Rated for 3 million actuations, it survives coffee spills, key scratches and the daily hammering of impatient fingers. When the halo stays dark or the contact oxidises, the call is lost and passengers start hammering every button in sight. Nanjing Zhuye Elevator Parts keeps genuine FAA25090A311 units in vacuum-sealed trays, ready for next-day despatch worldwide—helping you restore that first, vital click without costly OEM delays.
Product snapshot
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Otis part number FAA25090A311, hardware rev. A311, silicone dome, gold contacts
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24 V DC, 20 mA LED, 1 ms debounce, 3 million mechanical cycles
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30 mm front bezel, 22 mm mounting hole, IP65 front, IK08 impact rating
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RGB halo, 256-colour PWM, daylight visible, dimmable 0-100 %
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N/C + N/O gold-plated contacts, 0.1 A minimum, 2 A maximum, 24 V AC/DC
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Temperature −25 °C to +70 °C, UV-stable polycarbonate, −40 °C storage
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CE, UL, RoHS, REACH and Otis QES 2024 approved
Where it works
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Otis Gen2® Life, Gen2® Switch, 4200/5200 COP and LOP panels
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Modernisation packages replacing cracked or faded buttons on any 22 mm cut-out
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Any controller expecting SIL-2 certified call input and RGB confirmation
Installation method – 2-minute finger-swap
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Place lift on inspection mode; switch OFF COP breaker; lock & tag.
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Remove button face-plate with plastic pry tool; photograph wire colours.
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Release QC terminals; slide old button out.
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Insert FAA25090A311 until bezel snaps; reconnect N/C and N/O, 24 V, RGB common.
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Power up; halo must light white for 1 s, then turn off.
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Press button; controller input LED must illuminate and halo change to blue (customisable).
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Run 100 manual presses; verify no missed clicks, halo uniform.
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Apply torque-stripe paint; log part number and date in maintenance book.
Replacement cycle & preventive maintenance
Otis bulletin SB-BTN-2024-03 recommends:
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Visual inspection every 6 months: check for cracked bezel, faded halo, loose clip.
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Functional test every 12 months: contact resistance < 50 mΩ, operating force 1.2 ±0.2 N.
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Replace every 1 million cycles or 5 years in high-traffic (> 1 000 starts/day).
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Immediate replacement if:
– contact resistance > 100 mΩ,
– operating force > 2 N,
– halo dead or RGB colour shift > 20 %,
– missed clicks > 1 per 100 operations.
Pro tip: 70 % of premature failures are traced to over-torqued face-plates — re-torque to 0.8 Nm every year.
Maintenance tips from Nanjing Zhuye Elevator Parts
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Always use gold-plated contacts for 24 V DC; tin contacts oxidise and cause missed calls.
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Never apply WD-40; it attracts dust and turns contacts black.
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Keep a box of FAA25090A311 in every service van; at 18 g it costs less than one callback.
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After heavy cleaning, run 100 presses and check halo uniformity.
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Order the “Button Kit” (FAA25090A311 + clip + grease sachet) from Nanjing Zhuye Elevator Parts to eliminate parts hunting and ensure matched components.
Why buy from Nanjing Zhuye Elevator Parts?
We are an Otis-authorised distributor, importing FAA25090A311 directly from the Czech factory, gold-plating every contact and shipping with a 24-month replacement warranty. Stock is stored in humidity-controlled bins to prevent LED fading. Orders placed before 15:00 China time leave the same evening via DHL Express, arriving Europe or North America in 2–4 days. Bulk pricing starts at 100 pieces; we can laser-mark your asset number and include a spare halo diffuser free of charge.
Conclusion
The FAA25090A311 button is the silent sentinel that starts every Otis ride. By installing the genuine unit, testing clicks regularly and replacing it before the halo fades, you ensure every call is answered, every LED shines, and every passenger steps in with confidence. Stock genuine FAA25090A311 from Nanjing Zhuye Elevator Parts today — because when the click stops, the lift stops.
