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Blue Sea 40A 285-Series Surface Mount Thermal Circuit Breaker
Blue Sea 40A 285-Series Surface Mount Thermal Circuit Breaker
SAE J1171 Ignition Protected - M6 Stainless Terminals & On-Off Switch
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$71.05
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DESCRIPTION
Reliable Overcurrent Protection and Manual Switching for Harsh Environments
Managing medium-current DC circuits requires hardware that can handle tough environmental conditions while maintaining strict safety standards. The Blue Sea 285-Series 40A Surface Mount Thermal Circuit Breaker delivers dual-purpose functionality by combining dependable overcurrent protection and manual on-off switching into a single, compact housing. Designed for marine, 4WD, caravan, and off-grid power systems, this unit simplifies electrical wiring by eliminating the need to install a separate fuse block and battery isolation switch for 40A loads.
Engineered for Marine and Petrol Engine Bay Safety
Unlike standard auto-parts store circuit breakers that can expose internal arcs to the surrounding atmosphere, this unit is fully compliant with SAE J1171 external ignition protection requirements. This makes it safe for installation aboard petrol-powered boats, within vehicle engine bays, and near battery compartments where explosive gases or fumes may accumulate. Furthermore, its weather-resistant casing shields the internal thermal mechanism from dust, moisture, and salt spray, significantly reducing the risk of premature failure in coastal or off-road conditions.
Key Features and Hardware Benefits
- Dual-Function Design: Combines 40A thermal circuit protection with convenient manual on-off switching in one compact unit.
- SAE J1171 Ignition Protected: Sealed against external arcing, allowing safe installation in petrol engine compartments and marine bilges.
- Trip-Free Mechanism: Enhances system safety by ensuring the breaker cannot be manually held closed during an active fault or overload condition.
- High-Visibility Status Indication: Features a recessed red push-to-trip button for manual disconnection and a drop-down yellow reset lever that clearly indicates when the circuit is open.
- Corrosion-Resistant M6 Terminals: Equipped with stainless steel hardware to ensure high-conductivity connections that resist seizing and voltage drop over time.
- Insulating Terminal Caps Included: Supplied with fitted rubber protective boots that slide over your cable lugs to prevent accidental short circuits against nearby conductive surfaces.
Why Upgrade to the Blue Sea 285-Series?
Inferior circuit breakers often suffer from nuisance tripping, rusted studs, and fragile reset levers that snap after minimal use. The 285-Series addresses these common failure points with robust housing materials and precision-calibrated thermal tripping elements. The integrated surface-mount holes allow for straightforward, secure attachment to flat panels, firewalls, or battery boxes, while the M6 terminal studs accommodate standard ring terminals for clean cable management.
Application and Operating Notes
This 40A thermal breaker is well-suited for protecting auxiliary battery feeds, DC distribution panels, solar charge controller outputs, and medium-draw appliances in 12V and 24V DC electrical systems. Please note that while the unit functions as an on-off disconnect switch for maintenance and storage, it should not be used for frequent switching of loads where high inrush currents are expected, as this can accelerate contact wear. Additionally, the internal trip-free design ensures that if a short circuit persists, the yellow lever will not re-engage until the fault is cleared.
Secure Your DC Electrical System
Upgrade your marine, caravan, or 4WD wiring with professional-grade overcurrent protection. Add the Blue Sea 285-Series 40A circuit breaker to your setup today for dependable, compliant power management.
SKU: BS-7182B
SPECIFICATIONS
| Specification | Value |
|---|---|
| Product type | Circuit breaker |
| Mounting / form factor | Surface mount |
| Switching function | On-off |
| Ignition protected | Yes |
| Standards / compliance | SAE J1171 |
| SKU: | BS-7182B |
| Model #: | BS-7182B |
| MPN: | BS-7182B |
| Package weight: | 0.3 kg |
| Package length: | 0.1 m |
| Package width: | 0.08 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.
DOCUMENTS
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