



Technical Specifications
Product Name: Membrane Keypad for Siemens KTP400 Basic HMI Panel
Compatible Models: Siemens KTP400 Basic Series – including 6AV6647-0AA11-3AX0
Material: High-grade PET (polyester) overlay with UV-resistant printed legends
Key Type: Tactile membrane switches with stainless steel domes
Tactile Feedback: High-response keypress feel for operator accuracy
Adhesive Layer: Industrial-strength 3M-type self-adhesive backing
Environmental Protection:
Dust & Moisture Resistance: IP65-compliant (front panel only when installed correctly)
Chemical Resistance: Withstands industrial oils, solvents, and mild acids
UV Protection: Print does not fade under exposure to light
Operating Temperature: -20°C to +70°C
Storage Temperature: -30°C to +80°C