Circuit breaker series 187 - Surface mount 200 A
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Technical specifications
Technical specifications
| Breaker Type | Thermal |
| Amperage | 200.0 |
| Max Voltage | 48 V |
| Poles | 1.0 |
| Mounting type | Surface mounting |
| Reset Type | Manual |
| Interrupt Capacity A | 5000 A @ 12 V, 3000 A @ 24 V, 1500 A @ 42 V |
| Terminal Stud | 5/16"-18 (M8) |
| Ignition protection | Oui |
| IP rating | IP66 |
| Certifications | SAE J1171,CE |
| Application Environment Marine | Yes |
| Compatible Applications | Main DC circuits, inverters, bow thrusters, windlasses, battery chargers |
| Continuous current rating | 200 |
| Corrosion resistance | High |
| Current type | DC |
| Dimensions (L x W x H) | 72.4 x 50.8 x 82.6 |
| Housing material | Thermosetting plastic UL 94V-0 |
| Humidity Operating Range Percent | 0-95 (no condensation) |
| Installation Ease | Designed for simplified installation |
| Installation flexibility | Ease of integration in technical compartments or electrical panels |
| Intended use | DC high-power circuit protection |
| Manufacturer | Blue Sea Systems |
| Marine environment suitability | Designed for harsh marine environments |
| Max Terminal Stud Torque Nm | 10.2 |
| Model name | Circuit breaker series 187 - Surface mount 200 A |
| Mounting fastener type | Flat head screw #10 |
| Mounting hole diameter | 5.5 |
| Horizontal mounting hole spacing | 50.8 |
| Vertical mounting hole spacing | 50.8 |
| Operating Temperature Range C | -40 to +85 |
| Overload protection | Yes |
| Peak Current Rating | Designed for high peaks |
| Product color | Black |
| Product Finish | Mast |
| Net weight of the product | 0.23 |
| Product range | Series 187 |
| Product type | Circuit breaker |
| Short-circuit protection | Yes |
| Storage Temperature Range C | -40 to +85 |
| Terminal Stud Length Mm | 18 |
| Terminal Stud Material | Tinned copper |
Detailed description
Detailed description
The BLUE SEA series 187 200 A circuit breaker is an electrical protection solution designed for demanding marine environments. This surface-mount model is suited for securing high-power circuits, offering breaking capacity for high direct currents. It is an essential component for installations requiring reliable protection against overloads and short circuits on main lines or power-hungry equipment.
Protection of high-intensity marine circuits
With a 200 A capacity, the BLUE SEA series 187 circuit breaker is specifically sized for protecting main DC circuits aboard vessels, or for equipment drawing high currents such as inverters, bow thrusters, windlasses, or battery chargers. Unlike lower-amperage circuit breakers from the same brand’s series 285, often used for secondary loads or dashboard panels, the series 187 targets applications where robustness and the ability to handle current spikes are critical. Its manual reset mechanism allows for quick intervention and clear diagnostics in case of a fault.
Design and integration
The surface-mount format of the BLUE SEA series 187 200 A circuit breaker simplifies installation in various technical compartment or electrical panel configurations. This feature provides flexibility for positioning the circuit breaker in accessible areas, facilitating maintenance or reset operations. Its design ensures seamless integration with marine electrical system standards without requiring complex adaptations. The Blue Sea Systems brand is recognized for its electrical components compliant with safety and performance standards in nautical environments, ensuring broad compatibility with existing or new installations.
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