Key Features
- IP67 waterproof rating – fully sealed against jets and temporary immersion
- Marine-grade corrosion-resistant construction with UV-stabilized casing
- Multi-function combination switch – integrates ON/OFF and changeover switching
- Wide operating voltage range – works with 12/24V DC and 110–250V AC systems
- Compact surface-mount design with gasket for secure panel installation
- Ideal for safety equipment, navigation lights, bilge pumps, and auxiliary circuits
Technical Specifications
| Specification | Value |
|---|---|
| Product Name | BK Series Waterproof Combination Switch BK-4 |
| Type | Combination push-pull / toggle switch |
| Rated Voltage | 12/24V DC, 110/230V AC |
| Rated Current | 10A (AC), 15A (DC) |
| IP Rating | IP67 |
| Material | Marine-grade ABS, stainless steel hardware |
| Contact Configuration | SPDT (1-pole, 2-way) |
| Mounting Type | Surface mount / flange mount |
| Operating Temperature | -20°C to +60°C |
| Cable Glands | 2 × PG9 |
| Dimensions (L×W×H) | 120 × 70 × 45 mm |
| Weight | 0.35 kg |
Frequently Asked Questions
Is the BK-4 suitable for use in saltwater environments?
Yes, the BK-4 is designed with a corrosion-resistant housing and IP67 protection, making it fully suitable for marine and offshore saltwater environments.
What voltage and current ratings does this switch support?
The switch supports 12/24V DC systems as well as 110–230V AC circuits. It is rated for 10A AC and 15A DC, ensuring broad compatibility with shipboard electrical installations.
Can the switch be installed on exposed deck areas?
Absolutely. The IP67-rated enclosure allows the switch to be mounted on open decks and exposed panels, providing protection against water jets, rain, and temporary submersion.
Does the package include installation accessories?
Yes, each unit is supplied with mounting screws and a rubber gasket to ensure a watertight seal when installed on a flat surface.
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