Alpha 330C LED Sign
The Alpha 330C is a tricolor single-line LED display of 206 cm. 30 characters on 1 line, visible from 38 meters away. Three colors (red, green, amber) for alarm messages, production data and constant communication with your employees. Controlled via Ethernet or RS-485.
Still supported for software and repairs.
Legacy model, no longer available as new. Current alternative: Alpha 4000 RGB
The Alpha 330C ensures constant communication with your employees. The 76 mm characters are clearly legible from up to 38 metres away. The Alpha 330C can show 30 characters in full on a single screen and has a length of 2057 mm.
Best choice for
- Longer text messages on one line: 30 characters on a 206 cm display
- Easily readable at a distance: 76 mm characters, up to approximately 38 metres
- Status at a glance via three colours (red, green, amber), for example red for an alarm
- Modern integration via Ethernet (AlphaEthernet adapter) — the recommended connection through the Alpha protocol; RS-232/RS-485 standard for backwards compatibility with legacy systems
Less suitable for
- Full-colour imagery, photos or video — this is a tricolour text display
- Outdoor installation — intended for indoor and window installation (300 nits)
- Limited space — at 206 cm this is the longest single-line display; for less width choose the Alpha 320C
Typical applications
- Safety communication and accident-free days
- Production data, KPIs and status or queue information
- Alarm and evacuation messages
- Reception and gate messages with longer texts
Product information Alpha 330C
Display
| Display dimensions | h = 79 mm x b = 2057 mm |
|---|---|
| Pixels | Rows = 7 x columns = 180 |
| Pitch | 11 mm |
| Number of lines per screen | 1 line |
| Number of characters per line | 30 (1 line) |
| Character height | 76 mm |
| Color | Red - Green - Amber |
| Intensity | 300 nits |
| Drawings | Red - Green - Amber bmp files |
| Player | AlphaNET / Alpha protocol |
Housing
| Housing | Aluminum |
|---|---|
| Indoor or outdoor placement | Indoor and window placement |
| Housing dimensions | h = 140 mm x b = 2143 mm x d = 97 mm |
| Operating temperature | 0°C - 49°C |
| Humidity | 0% - 95% non-condensing |
| Front lens | None |
| Weight | 7,7 kg |
| Mains voltage / Consumption | 100 - 240 VAC / 50 watt |
Software / Memory / Communication
| PC Software (Windows) | AlphaNET |
|---|---|
| Communication | RS232 and RS485 included, Ethernet as an option via AlphaEthernet adapter |
| Memory | 80 messages with AlphaNET |
| Real-time clock for time and date (RTC) | Included |
| Mounting construction | Wall and ceiling mounting brackets are included |
Frequently asked questions
How much text fits on the Alpha 330C?
30 characters on one line (206 cm display). Longer or changing messages can be displayed in sequence.
Up to what distance does the text remain legible?
The characters are 76 mm high and remain clearly legible up to approximately 38 metres.
Can I connect the Alpha 330C to my existing system?
Yes. The recommended connection is Ethernet via the AlphaEthernet adapter: linking through the Alpha protocol to your network and applications. RS-232 and RS-485 are included as standard for backwards compatibility with legacy systems such as a fire alarm panel.
Which colours does the Alpha 330C show?
Three colours: red, green and amber. Handy for distinguishing status, for example green for normal information and red for an alarm.
Is the Alpha 330C suitable for outdoor use?
No, the 330C is intended for indoor and window installation. For outdoor use we recommend a display with higher brightness and an outdoor enclosure — feel free to contact us.