BM Sound Alarm
BM Sound Alarm
The BM Electronic Sound Alarm is designed for discreet installation behind control panels or walls, exposing only a Φ30 mm speaker to deliver 75–90 dB alerts. Blends into surroundings while providing reliable, audible warnings in space-constrained environments.
Patlite Elektronski zvučni alarm BM-202, Φ30, 24V DC/AC; BM-202

(Out of stock)
BM Sound Alarm
Features
- Built-in Alarm: Audible sound up to 90dB at 1m.
- Sound Pattern: Selectable 2 patterns of alarm sound.
- Body: Compact and light weight (100g).
- NPN/PNP Compatible: 24V type only.
- CE Compliant: For 24V AC/DC only
Specifications
|
DIMENSIONS |
- 30mm diameter (front) - 50mm square (back) |
|
RATED VOLTAGE |
- 24V AC/DC - 100V AC - 220V AC |
|
AUDIBLE STYLE |
- Two selectable, distinctive alarm sounds |
|
MOUNTING |
- Panel Mount - Indoor Only |
|
BODY COLOR |
- Body: Black - Mounting Ring: Chrome - Panel: ABS Plastic |
|
VOLUME |
- Approx. 75dB at 1 meter (24V) - Approx. 80dB at 1 meter (120V) - Volume is not adjustable |
|
SOUND STORAGE |
Two alarm sounds: - Rapid, alternating two-tone - Rapid, intermittent single tone |
|
PROTECTION RATING |
- IP-34 |
|
REMARKS |
- Dry contact closure such as switches or relay contacts - NPN/PNP Compatible for 24V type only |
|
FUNCTIONS |
- Sound only plays during contact closure - Sound stops when contact is Open |
Model Code
Product Lineup
|
Model Number |
Rated Voltage |
Specifications |
|
BM-202 |
24 V AC/DC |
Standard Type, 80 dB |
|
BM-210 |
100 V AC |
Standard Type, 85 dB |
|
BM-220 |
220 V AC |
|
|
BM-202H |
24 V AC/DC |
High-Volume Type, 85 dB |
|
BM-210H |
100 V AC |
High-Volume Type, 90 dB |
|
BM-220H |
220 V AC |
|
|
BM-202D |
24 V AC/DC |
Drip-Proof Type, 75 dB |
|
BM-210D |
100 V AC |
Drip-Proof Type, 80 dB |
|
BM-220D |
220 V AC |