Blue Sea 30A C-Series Double-Pole Toggle Circuit Breaker
Blue Sea 30A C-Series Double-Pole Toggle Circuit Breaker
Magnetic-Hydraulic Switching, Trip-Free Safety & Heavy-Duty Studs

DESCRIPTION
Reliable Magnetic-Hydraulic Switching and Overcurrent Protection
The Blue Sea C-Series 30A Double-Pole Toggle Circuit Breaker delivers dependable electrical management by combining manual switching and precise overcurrent protection into a single, compact device. Engineered for demanding off-grid, marine, and recreational vehicle applications, this heavy-duty unit simplifies distribution panel layouts by eliminating the need for separate switches and fuses. Whether you are managing main shore power inputs, inverter outputs, or critical high-load circuits, the C-Series provides the structural integrity and operational accuracy required for professional electrical systems.
Why Magnetic-Hydraulic Technology Matters
Standard thermal circuit breakers rely on heat to trigger a trip event, meaning their performance can fluctuate significantly in hot engine bays, enclosed battery boxes, or extreme Australian summer conditions. This can lead to nuisance tripping below the rated current or delayed tripping during a genuine fault. In contrast, the magnetic-hydraulic circuit breaker mechanism inside the Blue Sea C-Series operates independently of ambient temperature. It senses only the actual current flowing through the circuit, ensuring consistent, predictable protection regardless of environmental heat. Furthermore, its specialised internal fluid delays the trip response slightly during normal, temporary inrush currents (such as starting a pump or air conditioner) while responding instantly to dangerous short circuits.
Enhanced Safety with Double-Pole and Trip-Free Design
Featuring a mechanically linked white toggle handle, this double-pole breaker allows for simultaneous two-pole circuit operation. When a fault occurs on either pole, the internal mechanism trips both poles instantly. This makes it an exceptional choice for AC main circuit protection where disconnecting both active (hot) and neutral conductors simultaneously is critical for safety, or for isolating two separate DC circuits at once.
To further reduce the risk of electrical fires and equipment damage, this unit incorporates a trip-free design. In the event of an overcurrent fault, the internal contacts will disconnect and remain open even if the external toggle actuator is physically held or wedged in the "ON" position. This vital safety feature prevents operators from overriding a fault condition before the underlying electrical issue is resolved.
Key Features and Benefits
- Dual-Function Operation: Combines heavy-duty manual circuit switching and overcurrent protection into one integrated panel component.
- Magnetic-Hydraulic Mechanism: Delivers precise, temperature-independent trip characteristics that eliminate heat-induced nuisance tripping.
- Simultaneous Double-Pole Disconnection: Linked toggle handle ensures both poles switch and trip together, ideal for AC main isolation or dual DC circuit management.
- Trip-Free Safety Architecture: Internal contacts cannot be manually held closed during an active fault condition, protecting wiring and appliances from severe damage.
- Robust Terminal Connectivity: Equipped with heavy-duty rear terminal studs designed to accommodate substantial electrical wiring and ring terminals securely.
- Streamlined Panel Mounting: Integrated brass threaded inserts allow for secure, vibration-resistant front-panel installation in boats, caravans, and service vehicles.
Built for Demanding Marine and Off-Grid Environments
Inferior switching components often suffer from loose terminals, high contact resistance, and premature mechanical failure when subjected to constant road corrugations or marine wave impacts. The Blue Sea Systems C-Series is purpose-built to mitigate these risks. The integrated brass mounting inserts provide a solid mechanical anchor to your switchboard or custom distribution panel, while the heavy-duty rear studs ensure low-resistance connections for high-amperage cabling.
Ideal for marine vessels, 4WD canopy setups, caravans, motorhomes, and off-grid solar installations, this 30A breaker gives system builders confidence that their wiring infrastructure is properly safeguarded against overloads and short circuits.
Upgrade Your Electrical Distribution System
Ensure your vessel, vehicle, or off-grid power system is protected by industry-standard circuit management. Add the Blue Sea C-Series 30A Double-Pole Toggle Circuit Breaker to your build today for reliable, temperature-stable overcurrent protection.
SKU: BS-7365B
SPECIFICATIONS
| Specification | Value |
|---|---|
| Product type | Circuit breaker |
| SKU: | BS-7365B |
| Model #: | BS-7365B |
| MPN: | BS-7365B |
| Package weight: | 0.66 kg |
| Package length: | 0.15 m |
| Package width: | 0.1 m |
| Package height: | 0.09 m |
WARRANTY
Blue Sea Warranty Policy
Blue Sea Systems products sold by us are supplied with a warranty against defects for the warranty period shown below, subject to the product type, application and the terms of this warranty policy.
The express warranty provided by us is limited to a maximum of 5 years from the original date of purchase, unless otherwise required under Australian Consumer Law.
Blue Sea Systems may offer longer manufacturer support on some products at their discretion
Warranty Lengths by Product Range
| Blue Sea Product Range | Warranty Length | Application / Notes |
|---|---|---|
| Most Blue Sea Systems Products | 5 years | Applies to most Blue Sea Systems products found to be defective in materials or manufacture. |
| P12 Battery Chargers | 5 years | Warranty period starts from the original date of purchase. |
| P12 Remote Displays | 5 years | Warranty period starts from the original date of purchase. |
| Digital Meters | 3 years | Warranty period starts from the original date of purchase. |
| Vessel System Monitors | 3 years | Warranty period starts from the original date of purchase. |
Warranty Assessment and Remedy
If a Blue Sea Systems product is found to be defective in materials or manufacture within the applicable warranty period, we will, at our discretion, arrange a repair, replacement, store credit or refund, depending on the nature of the fault and the requirements of Australian Consumer Law.
Products may need to be returned for assessment before a warranty claim can be approved. Where required, the product must be returned with dated proof of purchase and a clear description of the fault.
Labour costs for removing, replacing, reinstalling or diagnosing a product are not covered by this express warranty unless otherwise required under Australian Consumer Law.
Making a Warranty Claim
To make a warranty claim, please contact us with your dated proof of purchase, product details and a description of the fault.
The product may need to be returned for inspection before the claim can be assessed. If the product is confirmed to be faulty and covered by this warranty, we will advise the available remedy.
What This Warranty Does Not Cover
This warranty does not cover faults or damage caused by incorrect installation, incorrect application, misuse, abuse, neglect, unauthorised modification, accidental damage, normal wear and tear, environmental damage, or failure to use the product in accordance with the manufacturer's instructions.
- Incorrect installation or wiring
- Incorrect product selection or application
- Misuse, abuse or neglect
- Physical or accidental damage
- Water ingress or environmental damage outside the product's intended use
- Unauthorised modification or repair
- Normal wear and tear
- Labour costs for removal, replacement, reinstallation or diagnosis
- Freight, travel or call-out costs unless otherwise required by law
- Products not returned for assessment when reasonably required
Manufacturer Support
Blue Sea Systems may provide additional manufacturer support on some products beyond the warranty period listed above. Where available, we may assist customers in contacting the manufacturer, but any manufacturer support beyond the express warranty period is subject to the manufacturer's own terms and continued availability.
Australian Consumer Law
This warranty is in addition to other rights and remedies available at law. Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.

