Siemens 6AV3535-1FA01-1AX1 Membrane Keypad

Technical Overview

The Siemens 6AV3535-1FA01-1AX1 is a replacement membrane keypad for the OP15 operator panel series. This front-mounted keyboard provides the tactile interface for entering data and navigating menus on the HMI device. It features a dust-tight and splash-proof design, thereby protecting the underlying electronics from contaminants. The keypad includes a clear labeling area for custom function assignment. An integrated connection cable simplifies field replacement without requiring any soldering.

Technical Specifications

Parameter	Specification
Manufacturer	Siemens
Model Number	6AV3535-1FA01-1AX1
Product Type	Membrane Keypad / Keyboard
System Compatibility	SIMATIC OP15 Operator Panel
Interface	Direct connection cable (plug-in)
Protection Rating	Dust-tight, splash-proof
Key Travel	1.5 mm (tactile response)
Key Force	3 N (nominal)
Key Life	>1 million actuations
Material	Polyester membrane with metal dome contacts
Color	Gray with white key legends
Mounting Type	Front panel replacement
Operating Temperature	0°C to +50°C
Storage Temperature	-20°C to +70°C
Humidity	5% to 95% RH (non-condensing)
Cable Length	150 mm (approx.)

Key Features

Dust-Tight and Splash-Proof – The membrane construction protects the HMI from industrial contaminants.

Tactile Feedback – Metal dome switches provide a positive tactile response for each key press.

Plug-and-Play Replacement – Users can install the keypad without soldering or special tools.

Long Operating Life – The keypad withstands over one million actuations, ensuring lasting reliability.

Custom Labeling Area – The integrated label field allows assignment of custom function names.

Low Installation Height – The slim profile fits seamlessly into the existing front panel.

Applications

The Siemens 6AV3535-1FA01-1AX1 suits manufacturing and process environments where HMI devices require frequent operator interaction. It is ideal for machine control, data entry, and monitoring applications on the SIMATIC OP15.