J19 3-Position Maintained Metal Key Switch
Model J19
J19-712-3 3-position maintained key switch by Wenzhou Jinhong for industrial control panels, OEM equipment and automation systems.
- Mounting diameter19 mm
- Thermal current (Ith)5 A
- Insulation voltage (Ui)250 V
Product Information
The J19 3-Position Maintained Metal Key Switch is the 3-position maintained key switch version of the 19 mm J19 metal key switch series — a stainless-steel anti-vandal unit with gold-plated silver contacts, 5 A thermal current at 250 V AC/DC and IP40 front sealing, available with 2NO+2NC contact blocks — for machinery, industrial control panels and OEM equipment.
Key features
- Mounting diameter: 19 mm
- Protection degree: IP40
- 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 — J19-712-3
At a glance
| Mounting diameter | 19 mm |
| Thermal current (Ith) | 5 A |
| Insulation voltage (Ui) | 250 V |
Characteristics
| Electrical ratings | |
| Series contact options | 1NO+1NC; 2NO+2NC |
| Insulation voltage (Ui) | 250 V |
| Thermal current (Ith) | 5 A |
| Min Applicable Load | 5V AC/DC, 10mA |
| Contact material | Gold-plated silver alloy |
| Initial contact resistance | ≤50 mΩ |
| Insulation resistance (500V DC) | 100 MΩ |
| Electrical life | 100,000 operations |
| Mechanical & endurance | |
| Terminal Style | 110" Solder / Quick Connect |
| Vibration Resistance | 10 to 55Hz, amplitude 1.5mm p-p |
| Weight | >10g |
| Mechanical life | 250,000 operations |
| Soldering Temperature | 20W/5 seconds or 260°C/3 seconds |
| Protection & environment | |
| Protection degree | IP40 |
| Operating temperature | -25°C to +60°C |
| Operating humidity | 45 to 85% RH |
Contact Rating
| AC contact capacity | Resistive: 110V/1A; 250V/0.5A; Inductive: 110V/0.7A; 250V/0.5A |
| DC contact capacity | Resistive: 24V/1A ; 110V 0.2A; Inductive: 24V/0.7A; 110V/0.1A |
Insulation voltage: 250V · Thermal current: 5A · Contact material: Silver nickel oxide, gold-plated silver
| Mounting diameter | 19 mm |
| Storage temperature | -40°C to +70°C |
| Approvals / standards | UL, CCC, CE, TÜV |
| Contact block family | K16 |
| Contact block form | C series |
Specifications
Selection chart — 3-position maintained key switch, 19 mm panel cut-out. Symbol, colour and lamp voltage are specified when ordering.
| Shape of Head | Illuminated Type | Operation | Contact Type | Model |
|---|---|---|---|---|
| Flat Round | Without LED | 90° 3 Position Latching | 2NO+2NC | J19-712-3 |
□ = symbol / marking code · ● = lamp colour code. Factory direct from Wenzhou Jinhong, OEM/ODM welcome.
Dimensions
Dimensions (mm) — 3-position maintained key switch, 19 mm mounting hole.
Front view🔍 Click to enlarge
Side view🔍 Click to enlarge
Bottom view / terminals🔍 Click to enlarge
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