# Active piezoelectric buzzer 3-24V HND-2312

> Active piezoelectric buzzer HND-2312, DC supply, input voltage 3-24 V. Operates directly at this voltage without an external circuit, providing a clear and stable sound for audible signalling. Low power consumption, suitable for battery or industrial power sources. Compact format, easy to integrate onto panels and enclosures, useful for alarms, status confirmations and simple warnings in electronic projects and automation.

- Page: https://sigmanortec.ro/en/active-piezoelectric-buzzer-3-24v-hnd-2312
- Price: 8.47 RON
- Availability: In stock; 1-2 zile
- Reference: 33164 · EAN: 5942208136028
- Category: Mechatronics and IoT > Sensors and Modules > Audio and Sound > Buzzers and Alarms
- Specifications: tension: AD; Input Voltage: 3 - 24 V; Model: HND-2312
- Package (shipping data): 0.004 kg
- Updated: 2026-09-14
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 03:25 (Europe/Bucharest)

## Description

Active piezoelectric buzzer for sound signaling in electronic and automation projects, operates directly at 3-24V without an external circuit, offers clear and stable sound, low consumption for power supply from batteries or industrial sources, compact format easy to integrate on panels and housings, ideal for alarms, status confirmations and simple warnings.