Description
Blue Sea 2146 SPDT ON-OFF-ON Contura Switch | Boat Supply Store
This Blue Sea Systems 2146 ML-Series switch provides robust control for critical marine electrical systems, engineered to withstand extreme environmental factors encountered on vessels. It features a Single Pole Double Throw (SPDT) configuration with a versatile ON-OFF-ON action, allowing for precise management of dual circuits or power routing. Its construction is specifically designed for resistance to vibration, shock, thermoshock, moisture, and salt spray, ensuring unwavering performance in harsh offshore conditions. Ideal for controlling bilge pumps, navigation lights, or auxiliary power distribution on offshore fishing platforms or coastal cruising yachts.
Key Features
- Reliable ON-OFF-ON functionality for versatile circuit control.
- Durable Single Pole Double Throw (SPDT) configuration.
- Resistant to vibration, ensuring continuous operation.
- Impact-proof shock resistance for active marine environments.
- Stable thermoshock resistance across temperature fluctuations.
- Waterproof moisture resistance protects against washdowns and spray.
- Corrosion-proof salt spray resistance for coastal and offshore use.
- Marine-grade construction engineered for demanding applications.
Specifications
| Product Specifications | |
|---|---|
| Brand | Blue Sea Systems |
| Model | 2146 ML-Series |
| Type | Contura Switch |
| Configuration | SPDT |
| Action | ON-OFF-ON |
| Vibration Resistance | Yes |
| Shock Resistance | Yes |
| Thermoshock Resistance | Yes |
| Moisture Resistance | Yes |
| Salt Spray Resistance | Yes |
| Safety Certification | UL Recognized Component |
Who This Is For
Marine enthusiasts and boat owners who demand unwavering reliability in their electrical systems, even under severe environmental duress. Technicians and DIYers installing or upgrading control panels requiring a switch specifically built for harsh saltwater and vibration-prone applications.
How It Compares
| Feature | Blue Sea 2146 SPDT ON-OFF-ON Contura Switch | Carling Technologies L Series Contura Rocker Switch |
|---|---|---|
| Pole/Throw | SPDT | SPDT |
| Action | ON-OFF-ON | ON-OFF-ON |
| Vibration Resistance | Yes | Yes |
| Shock Resistance | Yes | Yes |
| Thermoshock Resistance | Yes | Not Specified |
| Moisture Resistance | Yes | IP67 |
| Salt Spray Resistance | Yes | Not Specified |
Common Concerns Answered
Are there any known issues with this switch?
While the Blue Sea 2146 is highly regarded for its durability, some users have noted occasional challenges with the clarity of the labeling on the switch face. Additionally, sourcing specific replacement parts for older iterations of this model may present difficulties.
Why is this switch more expensive than others?
The higher price point of the Blue Sea 2146 is justified by its superior marine-grade construction and specific resistances to vibration, shock, thermoshock, moisture, and salt spray, which are essential for long-term reliability in demanding onboard environments. This investment ensures critical systems function without failure.
Is this switch truly built for the marine environment?
Absolutely. This switch is engineered with specific resistances to vibration, shock, thermoshock, moisture, and salt spray, making it exceptionally well-suited for the harsh conditions found on boats, from rough seas to humid marinas.
Frequently Asked Questions
What is the pole and throw configuration of the Blue Sea 2146 switch?
The Blue Sea 2146 features a Single Pole Double Throw (SPDT) configuration.
What type of action does the Blue Sea 2146 switch perform?
The Blue Sea 2146 switch performs an ON-OFF-ON action, allowing for three distinct circuit states.
What environmental resistances does the Blue Sea 2146 switch offer?
This switch offers resistance to vibration, shock, thermoshock, moisture, and salt spray, ensuring robust performance in marine environments.
Is the Blue Sea 2146 switch suitable for marine environments?
Yes, the Blue Sea 2146 is specifically designed and built with resistances critical for reliable operation in marine environments.
What is the P65 warning associated with this product?
This product does not have a P65 warning associated with it, indicating it is not subject to California Proposition 65 restrictions regarding hazardous substances.
