Elevator Button A4J18899 A4N18898 Square Push Button Red Blue Light Braille COP LOP Call Button

Original Quality: Genuine ThyssenKrupp replacement part, perfect compatibility.
Clear Backlight: Red/blue LED ensures visibility in dark cabins.
Braille Marking: Complies with accessibility standards for visually impaired users.
Durable & Anti‑Scratch: Stainless steel front panel resists wear and vandalism.
Easy Replacement: Tool‑free snap‑in design, saves maintenance time.
Wide Application: Suitable for office, hotel, residential, and freight elevators.

Operating Voltage: DC 24V (standard elevator circuit)
Lifespan: ≥1,000,000 presses
Contact Type: Gold‑plated contacts, low resistance
Housing: Flame‑retardant ABS + stainless steel frame
Operating Temperature: -20℃ ~ +60℃
Installation: Snap‑in, fits standard Thyssen cutouts

Elevator Push Button – FAQs

Q1: Are elevator push buttons universal?
No. Elevator push buttons differ in mounting dimensions, electrical contacts, illumination voltage, connector design, and required functions.

Q2: What is the difference between mechanical and touch-sensitive elevator buttons?
Mechanical buttons use a physical actuation mechanism, while touch-sensitive buttons detect an input without conventional mechanical travel. Their electrical interfaces and application requirements may differ.

Q3: Can an elevator push button be replaced without changing the complete operating panel?
In many panel designs, an individual button can be replaced if a compatible part is available. The electrical connection and mounting configuration must be checked.

Q4: Why does an elevator push button light up but fail to register a call?
Possible causes include contact faults, wiring issues, input circuit problems, or controller-related faults. Illumination alone does not confirm that the call signal is functioning.

Q5: What specifications are needed to identify a replacement elevator button?
Please provide the original model, mounting dimensions, contact type, illumination voltage, connector photos, and required symbol.