Description
Newmar PX-3 Waterproof Junction Box | Boat Supply Store
Secure your marine electrical connections in challenging environments with this robust, waterproof junction box. Engineered for demanding conditions, it features two 9-position connector strips supporting up to 16 AWG wire with innovative screw compression terminals that eliminate the need for lugs. The high-impact, non-corrosive polypropylene housing provides IP55 water jet protection, making it suitable for both above and below deck applications on offshore fishing vessels operating in salt spray.
Key Features
- Waterproof junction box for reliable operation above or below deck.
- Screw compression connectors eliminate the need for separate lugs, simplifying installations.
- Secure wire connections via brass barrels and stainless steel 'fingers'.
- Durable, non-corrosive construction from high-impact polypropylene resists marine elements.
- Watertight seal achieved with a snap-on cover.
- Universal cable entries accommodate diameters from 3.5mm to 25.5mm.
- Multiple knockouts provide flexible conduit access.
- ABYC standards compliant for assured marine safety.
Specifications
| Product Specifications | |
|---|---|
| Type | Waterproof Junction Box |
| Material | High-Impact Polypropylene |
| Connector Strips | 2 x 9-position |
| Maximum Wire Gauge | 16 AWG |
| Cable Entry Diameter Range | 3.5mm to 25.5mm |
| Waterproof Rating | IP55 |
| Conduit Knockouts | Multiple |
Who This Is For
This junction box is engineered for marine electricians and dedicated boat owners undertaking critical wiring projects requiring dependable, waterproof connections. It is particularly suited for DIYers working in areas prone to moisture and spray on any recreational or commercial vessel.
How It Compares
| Feature | Newmar PX-3 Waterproof Junction Box | Competitor |
|---|---|---|
| Type | Junction Box | Fuse Block, Junction Box |
| Wire Termination | Screw Compression | Blade Fuse Holder, Screw Terminal |
| Total Connection Positions | 18 (2 strips x 9 positions) | 12 Circuits, 10 |
| Max Wire Gauge | 16 AWG | N/A (Fuse holder), 10 AWG |
| Waterproof Rating | IP55 | N/A (Not primarily a waterproof enclosure), IP67 |
| Material | Polypropylene | Nylon/Polycarbonate, Nylon/Polycarbonate |
Common Concerns Answered
Some users report difficulty precisely cutting the cable entry points. How can this be mitigated?
While the cut-to-fit entries offer universal application, using a sharp utility knife or a specialized cable stripping tool can facilitate cleaner, more precise cuts for optimal sealing.
The 16 AWG wire limit might be insufficient for certain high-draw marine systems. What are the implications?
The PX-3 is designed for general purpose wiring up to 16 AWG, ideal for lighting and accessory circuits. For higher amperage loads, dedicated, appropriately sized circuit protection and wiring solutions should be utilized.
The price is higher than some generic alternatives. What justifies the cost?
The Newmar PX-3's premium cost reflects its robust, marine-grade polypropylene construction, superior IP55 waterproof rating, and innovative screw compression terminals that ensure reliable, lug-free connections compliant with ABYC standards, offering long-term durability and safety.
Frequently Asked Questions
What is the IP rating of the Newmar PX-3 Junction Box?
The Newmar PX-3 Junction Box has an IP55 rating, indicating protection against water jets.
What type of wire connections does the Newmar PX-3 Junction Box use?
It utilizes innovative screw compression terminals which eliminate the need for separate lugs, featuring brass barrels and stainless steel 'fingers' for secure connections.
What is the maximum wire gauge supported by the Newmar PX-3 Junction Box?
The maximum wire gauge supported is 16 AWG.
What is the cable diameter range for the Newmar PX-3 Junction Box?
The universal cable entries accommodate diameters ranging from 3.5mm to 25.5mm.
Can the Newmar PX-3 Junction Box be used above and below decks?
Yes, it is designed for both above and below deck use, making it suitable for various marine environments.
