Solar Panels
Solar Controllers
Batteries
Inverters
Mains Chargers
DC-DC Chargers
Cables/Accessories
Power Converters
Monitoring
Kits
By Application
By Brand
Blue Sea Dual Power Post Connector, 1x5/16 and 1x3/8 Studs
Blue Sea Dual Power Post Connector, 1x5/16 and 1x3/8 Studs
High-Amp Termination Base with Red/Black Insulators & Safety Barrier
Regular price
$40.16
Availability:
Special Order
View all products from Blue Sea
Guaranteed Safe and Secure Checkout
0
DESCRIPTION
High-Amperage Dual Power Post for Secure Electrical Terminations
Managing heavy-duty electrical wiring in marine, automotive, and off-grid power systems requires components that can safely handle substantial current loads without introducing voltage drop or connection hazards. This dual power post connector provides a dedicated, insulated termination point specifically engineered for extending outboard engine harnesses and linking high-amperage conductors. By consolidating positive and negative connections onto a single, durable mounting base, it streamlines complex wiring architectures and simplifies system maintenance.
Engineered for Safety and System Integrity
In cramped battery compartments, bilges, or vehicle canopies, exposed high-current terminals present a serious risk of accidental short circuits. This connector directly mitigates these hazards through a comprehensive insulation design. The unit features an integrated central safety barrier molded directly into the base, physically separating the two stainless steel studs to prevent tools, loose wires, or conductive hardware from bridging the terminals during installation or servicing.
Furthermore, the package includes flexible red and black protective insulator boots. These covers slip securely over the terminated cables and studs, offering immediate visual polarity identification for positive and negative lines while shielding the live connections from inadvertent contact and environmental debris.
Key Features and Technical Advantages
- Dual-Sized Terminal Studs: Equipped with one 5/16" (approx. M8) stud and one 3/8" (approx. M10) stud to accommodate different ring terminal sizes and prevent the accidental cross-connection of positive and negative cables.
- High-Current Capability: Designed specifically for connecting heavy-gauge, high-amp conductors in demanding DC electrical circuits.
- Integrated Safety Divider: A robust central barrier isolates the two posts, significantly reducing the risk of dangerous arc faults and short circuits.
- Colour-Coded Insulators: Supplied with one red and one black flexible protective cover for clear polarity identification and terminal shielding.
- Insulated Mounting Base: The non-conductive black plastic base features pre-drilled mounting holes, allowing secure installation onto metal hulls, vehicle chassis, or bulkheads without grounding out the circuit.
- Corrosion-Resistant Hardware: Stainless steel studs ensure reliable mechanical clamping force and longevity in harsh marine and mobile environments.
Practical Applications in Marine and Mobile Systems
The asymmetric stud configuration—pairing a 5/16" (approx. M8) terminal with a 3/8" (approx. M10) terminal—is particularly advantageous when extending marine outboard wiring harnesses. Many outboard manufacturers utilise staggered lug sizes for positive and negative leads as a built-in safety measure against reverse polarity. This dual power post matches that requirement seamlessly, eliminating the need to drill out lugs or use mismatched adapters that can compromise the electrical contact surface area.
Beyond marine propulsion, this connector serves as an ideal junction block for 12V, 24V, and 48V auxiliary power setups in 4WDs, caravans, and commercial vehicles. Whether you are routing heavy battery cables to a high-output inverter, setting up a winch power isolation point, or organising main feeder lines from a lithium battery bank, this termination post ensures a mechanically sound, low-resistance connection.
Upgrade Your High-Current Wiring Setup
Eliminate makeshift cable joins and enhance the safety of your electrical distribution system. Add the Blue Sea Dual Power Post Connector to your build today for a clean, professional, and well-protected high-amperage termination point.
SKU: BS-2018B
SPECIFICATIONS
| Specification | Details |
|---|---|
| Product type | Dual power post |
| Studs | 1x5/16 and 1x3/8 |
| Function | Provides a termination point for extending outboard harnesses or other conductors; designed for connecting high amp conductors |
| Included insulators | One black and one red |
| SKU: | BS-2018B |
| Model #: | BS-2018B |
| MPN: | BS-2018B |
| Package weight: | 0.216 kg |
| Package length: | 0.1 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
Loading product documents…