My Account
Shopping Cart

NewMar AC-II 30A Master Breaker Panel with Reverse Polarity Protection

Manufacturer

NewMar

<h3>About NewMar Power</h3><p>Founded in 1970 and headquartered in Costa Mesa, California, <strong>NewMar Power</strong> has spent more than five decades earning a reputation as one of the most trusted names in DC power technology. From the marine deck to the telecom rack, NewMar designs and manufactures power solutions built to perform when reliability is not optional. Today, NewMar operates as part of Mission Critical Electronics (MCE), a family of specialized power brands serving critical infrastructure, public safety, transportation, and industrial automation markets worldwide.</p><h3>A Complete DC Power Ecosystem</h3><p>What sets NewMar apart is the breadth and depth of its DC power portfolio. The brand offers an extensive lineup that spans <a href="/11280-newmar-battery-chargers-200141">battery chargers</a>, DC power systems, hot swap rectifiers, power conversion equipment, DC UPS solutions, DIN rail power, and DC power distribution — essentially everything needed to design, deploy, and maintain a robust DC power infrastructure. Whether the application is a commercial fishing vessel, a first-responder communications vehicle, a cellular network installation, or an industrial automation system, NewMar has purpose-engineered solutions to match.</p><p>NewMar&apos;s <a href="/11280-newmar-vehicle-battery-2476">vehicle batteries</a> and battery management products reflect the same engineering philosophy: deliver clean, stable power under demanding real-world conditions. Their smart charging algorithms, temperature compensation, and multi-stage charge profiles help extend battery life and protect sensitive electronics — critical considerations in marine and mobile environments where a power failure can mean more than just an inconvenience.</p><h3>Engineering Quality and Industry Certifications</h3><p>As an ISO 9001-certified facility, NewMar maintains a rigorous Quality Management System ensuring that every product consistently meets both customer expectations and applicable regulatory requirements. This commitment to process discipline translates directly into field reliability — a reason why NewMar products are found aboard emergency vehicles, in telecom huts, on offshore vessels, and throughout wireless network infrastructure across North America and beyond.</p><p>With over 50 years of engineering experience and a track record of delivering customized power system designs, NewMar continues to be the go-to partner for integrators and engineers who need dependable DC power — right out of the box and for years into the future.</p><h3>Industries Served</h3><ul><li><strong>Marine</strong> — Shore power chargers, inverter/chargers, and DC distribution for recreational and commercial vessels</li><li><strong>Telecommunications &amp; Wireless Networks</strong> — Rectifiers, DC UPS, and power systems for tower sites and network huts</li><li><strong>Public Safety &amp; Land Mobile</strong> — Mobile DC power stabilizers and battery backup for emergency response vehicles</li><li><strong>Industrial &amp; Automation (IIoT)</strong> — DIN rail power supplies and rugged power conversion for factory and field automation</li></ul>

Part Number

AC-II
09/10/2036 6:10 PM
Sale Price

$162.76

3 left at this price

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The NewMar AC-II Master Breaker Panel provides essential control and protection for AC power from shore power or generators on marine and RV applications. This compact panel features a double-pole master breaker that protects both the hot and neutral legs of the AC circuit, along with a power-on indicator light for easy status monitoring.

Key Features:

  • 30 Amp double-pole master breaker for complete circuit protection
  • Power-on indicator light shows when AC power is active
  • Reverse polarity warning light alerts you to dangerous wiring conditions that pose shock hazards
  • Compact design fits in tight spaces with 4 x 2.5 inch cutout requirement
  • Lightweight 1 lb construction for easy installation

The AC-II panel is an essential safety component for any vessel or RV with shore power or generator AC systems. The reverse polarity detection feature provides critical protection against improperly wired shore power connections that could energize your vessel's ground and create serious shock hazards.

Specifications:

  • Master Breaker Rating: 30 Amps
  • Cut-Out Dimensions: 4 x 2.5 inches
  • Weight: 1 lb

Found what I needed quickly checkout was easy

EZ PEAZY.

Ck

Fast shipment, product was just what I needed!

I recieved the items yesterday, put the light bulbs in and rode the motorcycle last night, very satisfied with the light bulbs. Fast shipping, good items and good price!!! Thank You Very Much!!! Tim Hill

Glad you could ship to a PO Box!

Reasonable pricing and straight forward ordering ptocess

Great prices, fast shipping! thanks!

Wish there had been more to the description of the parts ordered. Had to go to other sites and look up same Westin part number to be certain of size and mounting.

Share icon
Return Policy
Returns are easy at Boatplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy