M-E MODERN-ELECTRONICS KTA-3 A/S botão de campainha, montagem à superfície, prateado

With a robust IP44 protection rating and a wide operating temperature range from -20°C to +50°C, the M-E MODERN-ELECTRONICS KTA-3 A/S is built to withstand the elements while delivering reliable performance year-round. This surface-mounted doorbell button in a sleek silver finish combines durability with a clean, modern aesthetic, making it a versatile choice for both residential and commercial entrances.

Overview

The KTA-3 A/S belongs to the KTA-3 Familie series and features a single normally open (NO) contact with screw terminals for secure, straightforward wiring. It operates on 8-12 V AC/DC and handles up to 1 A switching current, ensuring compatibility with most standard doorbell systems. The housing is crafted from high-quality plastic, offering a lightweight yet sturdy construction that resists impact and weathering. A nameplate is included, allowing for clear identification of residents or offices.

What stands out

• IP44-rated protection against dust and splashing water, suitable for outdoor and indoor use.
• Wide operating temperature range from -20°C to +50°C for reliable performance in harsh climates.
• Surface-mounted design simplifies installation on walls or door frames without recessed preparation.
• Silver plastic housing provides a modern, neutral look that complements various architectural styles.
• Nameplate feature enables custom labeling for multi-tenant buildings or office suites.

Technical details

• Product type: Doorbell button
• Mounting type: Surface-mounted
• Colour: Silver
• Material: Plastic
• Operating voltage: 8-12 V AC/DC
• Max. switching current: 1 A
• Contact type: Normally open (NO)
• Number of contacts: 1
• Protection class: IP44
• Illumination: No
• Connection type: Screw terminals
• Operating temperature range: -20°C to +50°C
• Application environment: Outdoor / Indoor
• Series: KTA-3 Familie

Our verdict

The KTA-3 A/S doorbell button is a dependable, no-frills solution for anyone needing a weather-resistant and easy-to-install push button. Its IP44 rating and broad temperature tolerance make it a standout in its class, while the included nameplate adds practical value for multi-unit properties.