J19 Dome Mesh Metal Alarm Buzzer (Continuous)
Model J19
J19-BZ Continuous dome-mesh alarm buzzer by Wenzhou Jinhong for industrial control panels, OEM equipment and automation systems.
- Mounting Ø19 mm
- Thermal current5A
- Insulation voltage250V
Product Information
The J19 Dome Mesh Metal Alarm Buzzer (Continuous) is the continuous dome-mesh alarm buzzer version of the 19 mm J19 metal alarm buzzer series — a stainless-steel anti-vandal unit with gold-plated silver contacts, 5 A thermal current at 250 V AC/DC and IP65 front sealing — for machinery, industrial control panels and OEM equipment.
Key features
- Mounting diameter 19 mm — standard J19 panel cut-out
- Protection degree IP65 · IK10 — sealed front, impact-resistant
- Gold-plated silver contacts — low, stable contact resistance ≤50 mΩ
- Customisable symbol, colour and size — laser-etched marking on request
- Complies with IEC 60947-5-1 / GB 14048.5
- Models in this version — J19-BZ
At a glance
| Mounting Ø | 19 mm |
| Thermal current | 5A |
| Insulation voltage | 250V |
| LED voltage | DC: 3-48V AC: 110-120V Other voltages customisable |
Characteristics
| Electrical ratings | |
| Contact Type | 1NO+1NC 2NO+2NC |
| Max Voltage | 250V AC/DC |
| Thermal Current | 5A |
| Min Applicable Load | 5V AC/DC, 10mA |
| Contact Material | Gold-plated silver contact |
| Contact Resistance | ≤50mΩ (initial) |
| Insulation Resistance | ≥100MΩ minimum (500VDC megger) |
| Dielectrical Life | Switch Unit: 2,000V AC, 1 min. between live/non live part and terminals of different poles; 1,000V AC, 1 minute between terminals of the same pole; 1,500V AC, 1 minute between contact and lamp terminals. Illumination Unit: 2,000V AC, 1 min. between live part/ground |
| Mechanical & endurance | |
| Terminal Style | 110" Solder / Quick Connect |
| Vibration Resistance | 10 to 55Hz, amplitude 1.5mm p-p |
| Weight | >10g |
| Electrical Life | 100,000 operations minimum (at full rated load) |
| Mechanical Life | Latching: 300000 operations minimum Momentary: 300000 operations minimum |
| Soldering Temperature | 20W/5 seconds or 260°C/3 seconds |
| Protection & environment | |
| Degree of Protection | Push button IP65 · Selector switch IP54 · Key switch IP54 |
| Operating Temperature | -25℃ to +60℃ |
| Operating Humidity | 45 to 85% RH |
Specifications
Selection chart — continuous dome-mesh alarm buzzer, 19 mm panel cut-out. Symbol, colour and lamp voltage are specified when ordering.
| Shape of Head | Illuminated Type | Operation | Contact Type | Model |
|---|---|---|---|---|
| Domed Round Honey-comb | Without LED | Continuous buzzer | / | J19-BZ ● |
□ = symbol / marking code · ● = lamp colour code. Factory direct from Wenzhou Jinhong, OEM/ODM welcome.
Dimensions
Dimensions (mm) — continuous dome-mesh alarm buzzer, 19 mm mounting hole.
Front view🔍 Click to enlarge
Side view🔍 Click to enlarge
Bottom view / terminals🔍 Click to enlarge
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