Key Features
- Automatic fog horn activation via photocell light sensor
- Manual override for crew-controlled operation
- Adjustable timing for horn interval and duration
- Universal 12/24V DC power supply
- Rugged, waterproof ABS enclosure rated IP65
- Simple panel or bulkhead mounting
- Suitable for a wide range of electric fog horns and whistles
Technical Specifications
| Specification | Detail |
|---|---|
| Power Supply | 12/24V DC (9-32V range) |
| Output Relay | 10A @ 125VAC / 5A @ 24VDC |
| Light Sensor | Built-in photocell (LDR) |
| Operating Modes | Automatic / Manual / Off |
| Timing Adjustment | On-delay and duration adjustable |
| Enclosure Rating | IP65 (dust-tight and water-jet proof) |
| Mounting | Panel or bulkhead |
| Dimensions | 120 x 80 x 45 mm (approx.) |
| Weight | 0.5 kg (approx.) |
| Operating Temperature | -20°C to +55°C |
Frequently Asked Questions
How does the fog horn controller automatically activate the horn?
The controller uses a built-in photocell that detects the level of ambient light. When illumination falls below a preset threshold, it automatically switches on the horn, and when daylight returns, it switches off. Certain models also support timed intervals to comply with rules.
Can I use this controller with any type of fog horn or whistle?
The controller's relay output is compatible with most electric fog horns and whistles, provided the horn's current draw does not exceed the relay rating. For inductive loads, a suppressor might be needed.
Is manual operation possible?
Yes, the controller includes a manual override mode that allows the crew to sound the horn immediately or keep it off, regardless of light conditions.
What is the supply voltage range?
The controller operates on a universal 12/24V DC supply, making it suitable for ships with either 12V or 24V electrical systems. The input range typically spans 9-32V DC.
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