MTD143 Round Elevator Push Button DC24V LED Light Call Button, Replacement Spare Part for LG Sigma Elevator COP LOP Panel, Durable Circular Lift Button for Elevator Repair & Maintenance Projects

MTD143 is a round‑shaped elevator push button specially compatible with LG Sigma elevator systems, working at DC24V with built‑in LED indicator light. Adopting sturdy plastic base and metal decorative ring, it features sensitive touch, long service life and anti‑wear performance for heavy‑usage scenarios. Designed for COP car operating panel and LOP hall landing panel, supports front embedded installation, easy disassembly and replacement. Suitable for elevator renovation, onsite repair and daily parts replacement, meets elevator industry application requirements.

Functions

1. Realizes floor calling and command input for passengers, installed on car panel and landing hall panel to send operation signals to elevator main controller.
2. Built‑in LED light provides clear backlight indication, showing button trigger status for better user operation experience.
3. Sensitive mechanical structure ensures stable signal output after long‑term frequent pressing, reducing failure rate.
4. Direct replacement for damaged original MTD143 units, quick installation to restore normal elevator operation.

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.

About Xi’an Sulab Machinery

Xi’an Sulab Machinery Co., Ltd. supplies elevator and escalator parts and supports elevator modernization projects for customers worldwide.
Our main business covers three areas: elevator parts, escalator parts and elevator modernization. Depending on the product and application, we supply both genuine parts and compatible replacement parts for various equipment models. Our product range includes parts for systems from brands such as Otis, KONE, Sigma, Hyundai, Canny, BLT and IFE.
We help customers identify suitable parts by checking the equipment model, part number, nameplate and product photos. For modernization projects, we source components or systems according to the existing equipment, technical requirements and project scope. We also support OEM escalator and moving-walk projects based on customer specifications.
We serve elevator and escalator maintenance companies, parts distributors and project contractors across North America, South America, the Middle East, Southeast Asia, Africa and Europe. Before shipment, we confirm product details with the customer and arrange suitable packaging and shipping according to the product, destination and delivery requirements. Tracking information is provided after dispatch.
To request a quotation, please send us the part name, equipment model, part number, required quantity or clear product photos. Our team will review your requirements and get back to you.