Metal panel buzzer alarm for industrial equipment panels, automation cabinets, marine dashboards, machinery warning systems and power control applications. The FMQ Series supports 16mm, 19mm and 22mm mounting sizes, with short size buzzer, high loud decibel buzzer, waterproof buzzer and long thread length buzzer options.
FMQ Series Metal Panel Buzzer Specifications
| Series | FMQ Series |
| Sub Series | B Series / D Series / K Series / T Series |
| Product Type | Metal Panel Buzzer / Alarm Buzzer / Warning Buzzer |
| Mounting Size | 16mm / 19mm / 22mm |
| Wiring Option | Screw Terminals / Solder Terminals, default Screw Terminals |
| Waterproof Rating | Only D Series supports waterproof design |
| Maximum Switching Voltage | 230V |
| Operating Temperature | -25°C to +55°C |
| Housing / Actuator | 304 Stainless steel |
| Base | Engineering plastic |
| Contacts | Silver alloy |
| Terminal Type | Screw terminals by default |
| Applications | Industrial panels, automation equipment, marine control, power control, alarm and warning systems |
Application Overview
TECHESS provides various buzzer models to meet different usage needs, including short size buzzer, high loud decibel buzzer, waterproof buzzer and long thread length buzzer. Among all FMQ models, the long-size buzzer with the longest thread length is the only version that supports 230V voltage. It is also compatible with 220V wide voltage, covering most global household and industrial power supply standards.
FMQ Buzzer Model Options
Select the panel buzzer structure according to installation depth, sound requirement, waterproof demand and voltage range.
B Series Short Size Buzzer
Compact buzzer body for limited panel space and common warning applications.
D Series Waterproof Buzzer
Waterproof buzzer model for applications requiring better protection against moisture.
K Series High Loud Decibel Buzzer
Higher loudness option for noisy equipment environments and clear alarm signaling.
T Series Long Thread Buzzer
Long thread length model and the only FMQ version supporting 230V / 220V wide voltage.
FMQ Series Dimensions and Model Details
The FMQ panel buzzer is available in 16mm, 19mm and 22mm mounting sizes. Detailed dimensions vary by B, D, K and T sub series. The 11 dimension drawings below show each available size and model combination.
16B Buzzer
16mm short size panel buzzer.
16K Buzzer
16mm high loud decibel panel buzzer.
16T Buzzer
16mm long thread panel buzzer.
19B Buzzer
19mm short size panel buzzer.
19D Buzzer
19mm waterproof panel buzzer.
19K Buzzer
19mm high loud decibel panel buzzer.
19T Buzzer
19mm long thread panel buzzer.
22B Buzzer
22mm short size panel buzzer.
22D Buzzer
22mm waterproof panel buzzer.
22K Buzzer
22mm high loud decibel panel buzzer.
22T Buzzer
22mm long thread panel buzzer supporting 230V / 220V wide voltage.
Additional Model Reference
FMQ Series Wiring Options
The standard FMQ metal panel buzzer uses screw terminals for convenient installation. Solder terminal versions are available for projects that require direct wire soldering or compact assembly.
| Default Terminal | Screw terminals |
| Optional Terminal | Solder terminals |
| Voltage Note | T Series long thread buzzer supports 230V and 220V wide voltage |
FAQ
Is the FMQ Series a push button switch?
No. It is a metal panel buzzer / alarm buzzer, used for audible warning and equipment alarm indication.
Which FMQ model is waterproof?
Only the D Series supports waterproof design.
Which FMQ buzzer supports 230V?
The long-size / long thread length buzzer is the only FMQ version that supports 230V voltage and is compatible with 220V wide voltage.
What mounting sizes are available?
16mm, 19mm and 22mm mounting sizes are available.
Can I choose screw terminals or solder terminals?
Yes. Screw terminals are the default option, and solder terminals are available when required.
