The Blue Sea 40A thermal circuit breaker is an advanced solution to protect your electrical circuits against overloads and short circuits. Its waterproof design makes it ideal for marine environments, ensuring reliable operation even in bilges and engine compartments.
Technical Features
- Maximum current: 40 amperes
- Function: Thermal automatic protection with manual reset
- Installation: Suitable for surface mounting
- Waterproof rating: Fully waterproof (IP rating not specified, check datasheet)
- Brand: Blue Sea
- Reference: BS7038
Advantages
- Protects sensitive equipment and main lines without the need to replace fuses
- Facilitates fault location and recovery thanks to its manual reset mechanism
- Suitable for humid environments with risk of splashing or immersion
Applications
- Electrical installations in bilges and engine compartments
- Protection of pumps, winches, bow thrusters, and critical subcircuits
- 12-24V electrical systems (check exact compatibility based on installation)
Installation and Maintenance
- Mount on wall or flat surface using corrosion-resistant screws
- Periodically verify proper function by pressing the test/reset button
- Avoid prolonged exposure to aggressive chemical products
Safety Recommendations
- Disconnect power before handling the breaker
- Check current rating adjustment for each application
| Maximum current | 40A |
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| Type | Thermal automatic circuit breaker |
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| Mounting | Surface |
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| Protection | Waterproof (check IP in datasheet) |
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| Brand | Blue Sea |
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| Reference | BS7038 |
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