Description
Blue Sea 7936 DPDT ON-OFF-ON Contura II Switch | Boat Supply Store
Address dual-function electrical control requirements on vessels with the Blue Sea 7936 Contura II switch, engineered for demanding marine environments. This DPDT ON-OFF-ON unit is rated for 20A at 12V and 15A at 24V, and features integrated LEDs for visual status indication. It is ideal for applications like simultaneously controlling combined navigation and anchor lights, ensuring critical systems operate reliably in harsh conditions.
Key Features
- Double Pole/Double Throw configuration for independent control of two circuits.
- ON-OFF-ON action provides three distinct operational states for versatile functionality.
- Superior environmental resistance against vibration, shock, thermoshock, moisture, and salt spray.
- Internal and external gasket panel seal ensures robust protection against water ingress.
- Integrated dual LEDs offer clear, at-a-glance status indication with a 100,000-hour lifespan.
- Designed for Blue Sea Systems Contura Panels for seamless integration and enhanced water resistance.
- Robust Contura II rocker actuator provides a durable and tactile switching experience.
- High amperage ratings (20A @ 12V, 15A @ 24V) support significant electrical loads.
Specifications
| Product Specifications | |
|---|---|
| Switch Type | Contura II |
| Actuator Style | Rocker |
| Pole Configuration | DPDT (Double Pole/Double Throw) |
| Action | ON-OFF-ON |
| Color | Black |
| Voltage Rating | 12V/24V |
| Amperage Rating | 20A @ 12V / 15A @ 24V |
| LED Illumination | Yes (2 embedded LEDs) |
| LED Lifespan | 100,000 hours |
| Operating Temperature Range | -40°C to 85°C |
| Environmental Resistance | Vibration, shock, thermoshock, moisture, salt spray resistant |
| Panel Seal | Internal and external gasket panel seal |
| Mounting Compatibility | Blue Sea Systems Contura Panels |
Who This Is For
Marine electricians and boat owners seeking a durable, versatile switch for complex electrical configurations like dual-function lighting. DIYers can also benefit from its reliability for managing shared circuits and ensuring clear system status in marine applications.
How It Compares
| Feature | Blue Sea 7936 DPDT ON-OFF-ON Contura II Switch | Carling Technologies V |
|---|---|---|
| Actuator Style | Contura II Rocker | Contura Rocker, Toggle |
| Pole/Throw | DPDT | SPST, SPDT, DPDT, DPDT |
| Action | ON-OFF-ON | Various (including ON-OFF, MOM-OFF, ON-ON, ON-OFF-ON), ON-OFF-ON |
| Amperage Rating (12V) | 20A | Up to 20A, 20A |
| Integrated LED Lighting | Yes (2 LEDs) | Optional (model dependent), No |
| Environmental Resistance | Vibration, shock, thermoshock, moisture, salt spray resistant | IP66/IP67 rated, Weatherproof |
Common Concerns Answered
What if the LED is not bright enough in direct sunlight?
While the integrated LEDs provide clear status indication, their brightness may be reduced in extremely harsh direct sunlight. For applications requiring high visibility under intense sun, consider supplementing with external indicators or alternative visual cues.
Does this switch require special mounting for water resistance?
Yes, for optimal water resistance, this switch is designed for use with Blue Sea Systems Contura Water Resistant Panels and Contura Switch Mounting Panels. Proper installation within these compatible panels is crucial for maintaining its environmental sealing.
Is this switch more expensive than other options?
The Blue Sea 7936 Contura II switch represents a premium investment in reliability and durability for marine applications. Its advanced materials, robust sealing, and long-life LEDs justify the price for users prioritizing long-term performance in harsh maritime conditions.
Frequently Asked Questions
What is the amperage rating for the Blue Sea 7936 Contura II Switch?
The Blue Sea 7936 Contura II Switch is rated for 20A at 12V and 15A at 24V.
What does DPDT mean for this switch?
DPDT stands for Double Pole, Double Throw. This configuration allows the switch to control two separate circuits simultaneously, with each circuit having its own set of ON and OFF positions.
What are common applications for a ON-OFF-ON DPDT switch like the Blue Sea 7936?
A common application is managing combined navigation and anchor lights, where one position activates navigation lights, another activates anchor lights, and the center OFF position deactivates both.
Is this switch waterproof or water-resistant?
The switch features internal and external gasket seals for moisture and salt spray resistance, making it water-resistant. For optimal water resistance, it should be installed in a compatible Blue Sea Systems Contura panel.
What is the operating temperature range for this switch?
The Blue Sea 7936 Contura II switch operates within a temperature range of -40°C to 85°C (-40°F to 185°F).
