E2S28DMC948 - Panel Mount Buzzer 

9-48vDC Continuous Tone ø28mm Buzzers

 

The E2S-28D range consists of the highest quality FloydBell continuous tone and dual tone panel mounted piezo buzzers.
The built-in volume control provides variable attenuation up to 20dB(A).
The terminals are standard 6.35mm/0.25 quick-connect blades for push-on or direct solder attachment.
 
Features:
• UL recognised part.
• Volume control.
• Stainless steel diaphragm.

 

Current consumption: 
Operating Mode: Continuous Tone
Operating Voltage: 9-48 V dc
Nom. Operating Voltage: 48 V dc
Operating Frequency: 2900±250 Hz.
Typical Operating Current: 5 mA at 9 V dc, 20 mA at 48 V dc
Output: 95±5 dB(A) at 48 Vdc at 24 inches (61 cm), at 25°C
 
Specification:
Termination: Quick Connect Blades, 0.25 (6.3) Width, 0.032 (0.8)
Termination Strength: Pull test with a maximum of 22 pounds (10 kg) load
Surge Voltage: 20% over maximum rated voltage < 5 minutes.
Construction Materials: Case- Plastic  NORYL® N-190 , Flame Retardant, UL 94-VO, Black
Internal Circuit: Audio-oscillator and piezoelectric driver
Potting: 2 parts epoxy resin or silicone, black
Diaphragm: Stainless Steel 304
Environmental Durability: Withstand exposure to salt spray per ASTM B117
Operating temperature: -20°C to +65°C.
Storage temperature: -40°C to +85°C.
Relative humidity: 95% relative humidity +40°C continuously for 100 hrs.
Vibration: Withstands vibration between 0 and 55 Hz. on all axes.