SmartPlug 30 Amp Marine Shore Power Upgrade Kit - Stainless Steel Inlet & Female Connector - B30ASSYNT

Upgrade your boat’s shore power connection with the SmartPlug B30ASSYNT, a 30 Amp boatside inlet and plug combo designed for marine applications. This premium cordset features a stainless steel connector housing and a No Thermostat (NT) design, delivering maximum durability, safety, and style for modern boats and yachts.

The stainless steel construction provides superior resistance to corrosion, UV damage, and impact, ensuring long-lasting performance even in harsh marine environments. The No Thermostat design allows for unfiltered power delivery, making it ideal for boat owners who prioritize maximum conductivity, minimal heat buildup, and overheat-free operation.

SmartPlug’s patented design offers 20x more metal-to-metal contact than traditional twist-locks, ensuring a cooler, more reliable connection. The straight-in push-and-lock mechanism eliminates the need for twisting rings, making shore power connections faster, safer, and easier than ever.

Perfect for powering air conditioners, battery chargers, and other high-load onboard systems, the B30ASSYNT combines professional-grade reliability with a sleek, stainless steel aesthetic to match high-end marine hardware.

Key Features & Benefits

• 30 Amp boatside inlet and plug combo for marine applications

• Premium stainless steel connector housing for corrosion resistance

• No Thermostat (NT) design for maximum conductivity and cooler operation

• Straight-in SmartPlug connection reduces arcing and accidental disconnects

• Ideal for high-load applications like air conditioning and battery charging

• Durable, weatherproof, and designed for harsh marine environments

• Elegant stainless steel finish complements modern boat hardware

Why the B30ASSYNT is the Premium Choice

• Marine-Grade Stainless Steel: The inlet and connector cover are crafted from 316 stainless steel for a high-end look and maximum resistance to corrosion and pitting.

• Cost-Effective Pro Upgrade: Don't replace your entire 30A cable; simply retrofit the included SmartPlug female connector onto your existing cord to match the new inlet.

• Fire-Safe Technology: The patented sleeve-and-pin design ensures a cool connection, even when running high-draw appliances like air conditioners or heaters.

• Intuitive "Straight-In" Design: No more fumbling with pins or threaded rings. The connector pushes straight into the inlet and locks with dual side-locking clips.

Technical Specifications

Maintenance for Peak Performance

• Rinse: Regularly rinse the stainless steel inlet and connector with fresh water to remove salt spray and prevent mineral deposits.

• Inspect: Check the silicone seals for wear to ensure the system remains 100% weatherproof.

• Protect: Keep the connector end in a dry location when not in use to maintain the integrity of the silver-plated contacts.

Buying Tip: Match Your Hardware

The Stainless Steel B30ASSYNT is the perfect aesthetic match for the high-quality cleats, rails, and hardware found on modern yachts and powerboats. It doesn't just make your boat safer—it makes it look better.