Blue Sea DualBus Plus BusBar 150A DIN Rail

Description

Product Overview

The Blue Sea DualBus Plus 150A BusBar is engineered for demanding marine and recreational vehicle electrical systems. Housed in a high‑impact black plastic shell, the unit features a 5‑gang 1/4″ screw terminal array and two 1/4″ stud positions per bus, delivering a total current rating of 150 amps at 300 volts. With a compact 4.5‑inch combi size, 16 AWG gauge contacts, and a DIN‑rail mounting design, it fits seamlessly into tight panel spaces while providing robust, low‑resistance connections for critical loads.

Usage

Designed for marine vessels, RVs, and off‑grid installations, this bus bar serves as a central distribution point for lighting, pumps, inverters, and other high‑current accessories. Its screw terminals accommodate 10‑32 to 12‑32 screws, allowing secure connections for a variety of wire sizes. The dual‑bus layout enables separate circuits for AC and DC or redundant power paths, enhancing safety and flexibility in complex wiring schemes.

Why Choose Us

Blue Sea Systems is a trusted name in marine electrical components, and the DualBus Plus reflects the brand’s commitment to quality and durability. Each unit undergoes rigorous testing for voltage, current, and environmental resistance, ensuring reliable performance in harsh salt‑water conditions. The product includes a manufacturer warranty and is backed by extensive customer support, making it a dependable choice for professionals and DIY enthusiasts alike.

Key Features

• 150 A continuous rating at 300 V for high‑current distribution
• Five 1/4″ screw terminals per bus for versatile wiring options
• Two 1/4″ stud positions per bus enabling dual‑circuit designs
• Durable black plastic housing with DIN‑rail mounting for space‑saving installation
• 16 AWG contact gauge ensures low resistance and reliable power flow

FAQ

What wire size can I use with the 16 AWG contacts?

The 16 AWG contacts comfortably accept 12‑18 AWG stranded or solid wire, providing a secure mechanical and electrical connection for most marine and RV applications.

Can I install the DualBus Plus on a vertical DIN rail?

Yes, the unit is designed for standard 35 mm DIN rail mounting, whether the rail is positioned vertically or horizontally, allowing flexible panel layouts.

Is the bus bar suitable for both AC and DC circuits?

Absolutely. The dual‑bus configuration lets you separate AC and DC circuits or create redundant paths for critical loads, enhancing system safety.

How does the warranty work?

Blue Sea Systems offers a one‑year limited warranty covering defects in materials and workmanship. Register the product on the Blue Sea website for full warranty support.

What is the recommended torque for the screw terminals?

Apply a torque of 3–5 in‑lb to ensure a solid connection without damaging the terminal or wire insulation.