Loa báo Bee tone trên panel _ A112N Alarm Sounder
Hãng sản xuất: 1) E2S VIETNAM
0359643939
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 |
