Product Details

Elevator Under-Car Up and Down Push Buttons for Controlled Car Movement During Maintenance

The Under-Car Push Buttons — Up and Down — are safety-rated electromechanical push button controls installed in the elevator under-car assembly to provide maintenance technicians working beneath the elevator car with direct, local control of car movement during under-car inspection, maintenance, and repair operations. Enabling controlled, slow-speed elevator car movement from the under-car position while the elevator's normal automatic operation is suspended, these push buttons give technicians the directional control they need to safely position the car for access to under-car equipment.

Under-car maintenance activities — including inspection of the safety gear mechanism, examination of the guide shoe or roller guide assemblies, servicing of the car apron and skirt, and access to electrical connections beneath the car — often require the car to be moved incrementally to bring specific components into the optimal position for inspection or replacement. The Up and Down push buttons give the technician this positioning control from their working position beneath the car, without requiring a second operator at a landing or machine room level.

The push buttons operate on a hold-to-run principle — a mandatory safety requirement for all inspection and maintenance mode directional controls in compliant elevator installations. Under hold-to-run control, the elevator car moves only while the directional button is held pressed, and returns immediately to the stopped state when the button is released. This automatic stop-on-release behaviour ensures that any unexpected event that causes the technician to release the button — including a slip, loss of balance, or emergency situation — results in immediate cessation of car movement.

The buttons are designed with clearly differentiated up and down identification to prevent confusion during operation in the confined, visually complex under-car environment. Button actuation force, button size, and surface texture are optimised for reliable operation while wearing work gloves, which is standard practice for technicians working in elevator pit and under-car locations. The button housings are engineered for the dust and moisture conditions of the elevator shaft environment.

For elevator manufacturers and installation contractors who need correctly specified, safety-compliant under-car directional control push buttons for maintenance mode operations, these Up/Down Push Buttons deliver the hold-to-run safety function, operational clarity, and environmental reliability that under-car elevator maintenance control requires.

Key Features

• Hold-to-run operation — car stops immediately on button release
• Enables car positioning from under-car without a second operator
• Clearly differentiated up/down labelling for under-car use
• Glove-operable button size and texture for maintenance technician use

Dust and moisture resistant housing for elevator shaft environments