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Blue Sea 30A 4-Circuit Terminal Block
Blue Sea 30A 4-Circuit Terminal Block
Closed-Back Phenolic Base & Isolated Screw Pairs for Marine & RV
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$10.30
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DESCRIPTION
Reliable Circuit Isolation and Flexible Power Distribution for Marine and Off-Grid Electrical Systems
Engineered for Clean, Organised, and Safe Wiring Layouts
Maintaining an organised and safe electrical system is critical in demanding mobile, marine, and off-grid environments. This 30A 4-circuit terminal block from Blue Sea Systems offers a dependable solution for managing multiple wiring connections without the clutter of spliced wires or sub-standard connectors. Each of the four screw pairs functions as a completely isolated circuit, allowing installers to group and separate different electrical feeds, signal wires, or ground paths cleanly on a single footprint.
For installations that require both isolated circuits and shared bus distribution, this terminal block provides exceptional flexibility. Using compatible terminal block jumpers, adjacent circuits can be linked together to form common positive or negative distribution points, adapting easily as your system requirements evolve.
Superior Materials and Risk Reduction
Inferior connector blocks often suffer from corrosion, brittle housing materials, and exposed conductive bases that pose significant short-circuit risks. Blue Sea Systems addresses these vulnerabilities with industrial-grade construction designed specifically for harsh environments.
The base is constructed from a high-temperature phenolic material that resists heat deformation and provides stout, moulded barriers between each terminal pair. These physical barriers significantly reduce the risk of accidental arcing or frayed wire strands bridging across adjacent connections. Furthermore, the closed-back design fully insulates the conductive pathways from the mounting surface. This allows the block to be mounted directly onto aluminium boat hulls, steel vehicle chassis, or conductive electrical enclosures without risking a dangerous ground fault.
- Four Isolated Circuits: Each pair of screws operates independently to keep separate electrical loads organised and secure.
- Closed-Back Insulation: Completely isolates live power from the mounting panel, allowing safe installation on metal surfaces.
- Corrosion-Resistant Hardware: Nickel-plated brass screws ensure strong conductivity and resist oxidation in damp or coastal conditions.
- High-Temperature Phenolic Base: Moulded barriers prevent accidental shorting between circuits and withstand tough operating environments.
- Expandable Configuration: Compatible with slip-on jumpers to easily convert isolated pairs into common distribution circuits.
Versatile Applications Across 12V, 24V, and AC/DC Setups
Rated for up to 30A continuous current, this terminal block is a versatile component for a wide range of low-to-medium amperage applications. It is frequently utilised by marine electricians, auto-electricians, and DIY builders to create structured, serviceable wiring harnesses where circuits can be easily tested or disconnected when required.
- Consolidating instrument, sensor, and navigation wiring behind marine helm stations
- Organising 12V and 24V lighting, pump, and accessory circuits in caravans, camper trailers, and 4WD canopies
- Creating clean, serviceable junction points inside off-grid solar control cabinets
- Terminating control and relay trigger wires in industrial machinery and custom automotive builds
Upgrade Your Electrical Layout
Eliminate messy wiring splices and reduce the risk of electrical faults in your next build. Integrate the Blue Sea 30A 4-Circuit Terminal Block into your marine, RV, or off-grid electrical panel for a professional, durable, and easily serviceable connection point.
SKU: BS-2504B
SPECIFICATIONS
| Specification | Value |
|---|---|
| Product type | Terminal block |
| Maximum current | 30A |
| Number of circuits | 4 |
| Design | Closed back; insulates power from the mounting surface |
| Circuit arrangement | Each screw pair is one isolated circuit |
| Jumpers | Allow creation of common circuits |
| SKU: | BS-2504B |
| Model #: | BS-2504B |
| MPN: | BS-2504B |
| Package weight: | 0.048 kg |
| Package length: | 0.09 m |
| Package width: | 0.03 m |
| Package height: | 0.03 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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