Elevator Push Button MTD331 Round LED Back‑light Call Button, Replacement Spare Part For COP LOP Panel

MTD331 is a round elevator push button specially compatible with Hitachi elevator systems. It adopts stainless steel faceplate with polished metal rim, built‑in LED backlight for clear floor number display. Featuring stable contact structure, sensitive pressing feedback and long mechanical service life. It fits for car operating panel (COP) and landing hall panel (LOP), plug‑in connector design enables fast installation and replacement. Strict quality inspection guarantees stable performance for heavy‑traffic building elevators, ideal spare part for elevator repair, replacement and renovation projects.

Working Environment

• Operating temperature: ‑10℃ ~ +60℃
• Relative humidity: ≤95% RH, non‑condensing
• Suitable for indoor installation in residential buildings, shopping malls, hotels, office buildings and hospitals.
• Avoid long‑term exposure to corrosive gas, heavy dust and splashing water; designed for indoor elevator cabinet environment only, not for outdoor direct use

Functions

1. Receives passenger operation commands, transmits floor call signals to elevator main controller, realizing car call and hall call functions.
2. LED back‑light illuminates floor number, shows trigger status for clear visual prompt to passengers.
3. Durable mechanical contact structure maintains stable signal output under frequent pressing, lowering failure rate.
4. Direct replacement for original damaged MTD331 button, shortens elevator maintenance downtime.

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.