E2S28D ø28mm Buzzers - Panel Mount Indicators

  • Volume control.
  • Stainless steel diaphragm.

Approvals

  • UL recognised
E2S28D ø28mm Buzzers - Panel Mount Indicators
Eac-logo Ce-approval
2-21-220

E2S28D ø28mm Buzzers - Panel Mount Indicators

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.

Specification

Tones: Continuous or Beep tone
Frequency: 2900±250 Hz.
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.
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
Durability: Withstand exposure to salt spray per ASTM B117
Operating temp: -20°C to +65°C [-4° to +149°F].
Storage temp: -40°C to +85°C [-40° to +185°F].
Relative humidity: 95% relative humidity +40°C continuously for 100 hrs.
Vibration: Withstands vibration between 0 and 55 Hz. on all axes.

Product table

E2S28DMC948:
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
E2S28DMC201:
Operating Mode: Continuous Tone
Operating Voltage: 30-120 V ac
Nom. Operating Voltage: 110 V ac
Operating Frequency: 2900±250 Hz.
Typical Operating Current: 7 mA at 30 V ac, 40 mA at 120 V ac
Output: 95±5 dB(A) at 130 Vac at 24 inches (61 cm), at 25°C
E2S28DMC301:
Operating Mode: Continuous Tone
Operating Voltage: 130-220 V ac
Nom. Operating Voltage: 220 V ac
Operating Frequency: 2900±250 Hz.
Typical Operating Current: 20 mA at 130 V ac, 40 mA at 220 V ac
Output: 95±5 dB(A) at 220 Vac at 24 inches (61 cm), at 25°C
E2S28DMB530:
Operating Mode: Dual Function Beep/Continuous Tone
Operating Voltage: 5-30 V dc
Nom. Operating Voltage: 30 V dc
Operating Frequency: 2900±250 Hz.
Typical Operating Current: 2 mA at 5 V dc, 20 mA at 30 V dc
Output: 95±5 dB(A), at 30 Vdc at 24 inches (61 cm), at 25°C