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Blue Sea 40A Medium Duty Push Button Reset-Only Circuit Breaker
Blue Sea 40A Medium Duty Push Button Reset-Only Circuit Breaker
Weatherproof, Ignition Protected & Trip-Free with Stainless Studs
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DESCRIPTION
Reliable Overcurrent Protection for Marine, RV, and Off-Grid DC Systems
The Blue Sea Medium Duty 40A Push Button Reset-Only Circuit Breaker delivers robust, weatherproof circuit protection for demanding electrical installations. Engineered specifically for environments where switching is handled separately or is not required, this unit is ideal for safeguarding main, branch, or 24-hour continuous circuits in boats, caravans, 4WDs, and industrial vehicles. Unlike standard fuses that require replacement parts after an overload event, this manual push-to-reset breaker allows operators to quickly restore power once the underlying fault is resolved.
Advanced Trip-Free Safety and Ignition Protection
When working with high-amperage DC systems, preventing accidental fire and equipment damage is critical. This circuit breaker incorporates an internal trip-free mechanism, meaning the contacts cannot be manually held closed during an active fault current condition. This essential safety feature prevents users from overriding the protective action of the breaker while a dangerous short circuit or overload remains present.
Additionally, the housing is fully ignition protected, making it certified safe for installation aboard petrol-powered boats and within battery compartments where potentially explosive fumes or gases may accumulate. Compared to uncertified alternatives, utilizing an ignition-protected breaker significantly reduces operational risks in confined marine bilges, engine bays, and off-grid battery enclosures.
Engineered for Harsh Environments and High-Density Panels
Space is often at a premium in custom electrical switchboards and automotive canopies. The compact footprint of the Blue Sea Systems medium duty range enables high-density circuit protection configurations without sacrificing accessibility or thermal performance. Its weatherproof construction fends off moisture, salt spray, and dust, ensuring dependable long-term operation in harsh Australian coastal and outback conditions.
Installation is streamlined for both professional marine electricians and DIY installers. The unit features a durable metal mounting flange with pre-drilled holes for secure panel integration. On the rear, corrosion-resistant stainless steel threaded stud terminals are paired with captive star lock washers. These integrated washers resist terminal rotation under heavy vibration and eliminate the frustration of dropping small, loose hardware into tight spaces during wiring.
Key Features
- Manual Push-to-Reset Operation: Provides a direct, tool-free method to restore circuit power after an overcurrent trip without needing spare fuses.
- Trip-Free Design: Internal mechanism ensures the breaker cannot be held in the ON position while a fault current condition persists.
- Ignition Protected Housing: Certified safe for marine environments and enclosures exposed to flammable gases.
- Weatherproof Construction: Built to withstand moisture and environmental exposure in marine, RV, and mobile applications.
- Vibration-Resistant Terminals: Stainless steel studs with captive star lock washers maintain tight electrical connections and simplify installation.
- Compact Footprint: Supports clean, high-density layouts in custom power distribution panels.
Typical Applications
This 40A reset-only breaker is suited for circuits that require dedicated overcurrent protection without manual ON/OFF switching capability:
- 24-Hour Circuits: Protecting essential, always-on equipment such as automatic bilge pumps, security systems, and battery management modules.
- Branch and Main Feeds: Safeguarding secondary fuse blocks, DC-DC chargers, solar charge controllers, and high-draw accessories.
- Marine and Mobile Electrical Panels: Integrating into custom dashboards, dual-battery canopies, and caravan power distribution boards.
Upgrade Your Circuit Protection
Ensure your electrical system is safeguarded against overloads and short circuits with marine-grade hardware. Add the Blue Sea Medium Duty 40A Push Button Reset-Only Circuit Breaker to your setup today for dependable, weatherproof performance across your marine, RV, or off-grid power distribution system.
SKU: BS-2141B
SPECIFICATIONS
| Specification | Details |
|---|---|
| Product type | Circuit breaker |
| Actuator type | Manual |
| SKU: | BS-2141B |
| Model #: | BS-2141B |
| MPN: | BS-2141B |
| Package weight: | 0.168 kg |
| Package length: | 0.09 m |
| Package width: | 0.06 m |
| Package height: | 0.05 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.
DOCUMENTS
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