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Blue Sea 30A 187-Series Panel Mount Thermal Circuit Breaker
Blue Sea 30A 187-Series Panel Mount Thermal Circuit Breaker
Waterproof & Ignition Protected - 5/16" (M8) Studs - Up to 48V DC
Regular price
$167.82
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DESCRIPTION
Integrated Marine and Off-Grid Circuit Protection and Switching
The Blue Sea Systems 187-Series 30A Thermal Circuit Breaker is engineered to deliver high-reliability overcurrent protection and manual switching within a single, compact device. Designed specifically for panel mounting in demanding marine, caravan, and off-grid 12V, 24V, and up to 48V DC electrical systems, this unit simplifies wiring topologies by eliminating the need for a separate battery switch and fuse holder. Its robust, weatherproof housing is built to withstand harsh environments where moisture, salt spray, and vibration frequently compromise lower-grade electrical components.
Engineered for Safety in Hazardous Environments
When installing high-current electrical distribution systems in enclosed spaces or marine vessels, safety is paramount. This breaker features an ignition-protected construction, meaning it will not ignite surrounding flammable gases should an internal spark occur during switching or tripping. This makes it entirely suitable for installation aboard petrol-powered boats, within vehicle engine bays, and inside enclosed battery compartments.
Furthermore, the unit incorporates a trip-free internal mechanism. In the event of a severe overcurrent or short-circuit fault, the breaker will disconnect the circuit even if the manual reset lever is physically held in the ON position. This critical safety feature reduces the risk of wire insulation melting, equipment damage, and electrical fires caused by forced connections during active faults.
Heavy-Duty Construction and Installation Flexibility
Unlike standard automotive breakers with undersized posts that struggle to accommodate heavy cabling, the 187-Series is equipped with substantial 5/16" (Approx. M8) stud terminals. These terminals are engineered to accept high-torque connections and provide generous clearance around the housing to easily fit heavy-gauge wire lugs. This ensures low-resistance connections that minimise voltage drop and heat build-up across your auxiliary circuits.
- Dual-Function Design: Combines reliable thermal overcurrent protection with convenient manual ON/OFF circuit switching.
- Trip-Free Operation: Internal mechanism trips during fault-current conditions regardless of whether the lever is held open, protecting downstream wiring.
- Ignition Protected: Safe for installation in engine compartments and aboard petrol-powered marine vessels.
- Robust Terminal Hardware: 5/16" (Approx. M8) studs support high-torque terminations and offer ample clearance for heavy-duty cable lugs.
- Weatherproof Housing: Sealed case construction resists water and dust ingress, featuring recessed mounting holes for a clean, flush panel finish.
- Clear Visual Indication: Large, high-visibility yellow reset lever provides positive trip status identification and can be mounted vertically or horizontally.
Application Considerations and System Integration
This 30A panel mount breaker is well suited for protecting auxiliary distribution panels, windlass systems, dual-battery setups, and high-draw DC appliances in 4WD canopies, RVs, and commercial vehicles. The self-trimming case and recessed mounting apertures allow for a clean, professional installation onto custom dash panels or marine switchboards.
Important Application Note: Do not use this thermal circuit breaker as a frequent manual switch where high inrush currents are expected, as repeated switching under heavy inductive or capacitive startup loads can prematurely wear the internal contacts. Select the Blue Sea 187-Series when your installation requires dependable, ignition-protected thermal circuit protection with integrated isolation capability.
Upgrade Your DC Electrical Protection
Secure your marine, RV, or off-grid power system against overcurrent faults with professional-grade hardware. Add the Blue Sea 187-Series 30A Panel Mount Thermal Circuit Breaker to your setup today for dependable, long-term circuit protection and effortless isolation.
SKU: BS-7036B
SPECIFICATIONS
| Specification | Value |
|---|---|
| Product type | Thermal circuit breaker |
| Mounting / form factor | Panel mount |
| Ignition Protected | Yes |
| Terminal Size | 5/16 (M8) |
| SKU: | BS-7036B |
| Model #: | BS-7036B |
| MPN: | BS-7036B |
| Package weight: | 0.276 kg |
| Package length: | 0.12 m |
| Package width: | 0.08 m |
| Package height: | 0.08 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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