Waterproof Combination Switch BK-3 for Marine Safety Applications

The BK Series Waterproof Combination Switch is an essential component for any marine safety system. Engineered for reliable performance in demanding shipboard environments, this combination switch allows for convenient control of critical circuits while maintaining a watertight seal. Its compact design integrates multiple switching functions into a single unit, simplifying installation and reducing panel space requirements.

Constructed with corrosion-resistant materials and a fully sealed IP66-rated enclosure, the switch is protected against water jets and heavy sea spray, making it ideal for use on decks, in engine rooms, or near hatches. The robust toggle mechanism provides a positive action with tactile feedback, ensuring confident operation even when wearing gloves. Suitable for 12V and 24V DC systems, this switch meets the rigorous demands of commercial and recreational vessels.

Whether you are upgrading your navigation light controls, emergency backup systems, or bilge pump circuits, this waterproof combination switch delivers dependable switching performance. With its easy-to-wire terminals and standard panel cutout dimensions, it is a drop-in replacement for many existing switch panels.

Key Features

Technical Specifications

SpecificationValue
Product TypeWaterproof Combination Switch
ModelBK-3
IP RatingIP66
Operating Voltage12V / 24V DC
Current Rating10A per circuit
Number of Circuits3 independent circuits
Switch PositionsON-OFF-ON
Contact Resistance≤ 50 mΩ
Operating Temperature-20°C to +60°C
Mounting Cutout30 mm (1.18")
Terminal TypeScrew terminals
Housing MaterialPolycarbonate
Actuator MaterialStainless steel
CertificationsCE compliant

Frequently Asked Questions

Is the BK-3 switch suitable for outdoor deck use?

Yes, the IP66 rating and corrosion-resistant materials make it fully suitable for outdoor marine environments, including exposure to salt water and high-pressure washing.

What is the maximum voltage and current this switch can handle?

The switch is rated for 12V and 24V DC systems and each circuit can handle up to 10A. Please do not exceed this rating to ensure safe operation.

Can I use this switch for both lighting and bilge pump controls?

Absolutely. The BK-3 is a combination switch with three independent circuits, making it versatile for controlling various ship systems like navigation lights, bilge pumps, or emergency alarms.

Does the switch come with a mounting bezel or gasket?

Yes, the switch includes a sealing gasket and mounting nut to ensure a watertight fit in your panel.

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