My Account
Shopping Cart

Hella 002843011 2843 Series 50 Amp Battery Master Switch

Manufacturer

Hella

<p>Founded in 1899 by Sally Windmüller in North Rhine-Westphalia, Germany, Hella has evolved from a manufacturer of acetylene lamps into one of the world's most respected automotive lighting and electronics specialists. The brand name likely honors Windmüller's wife Helene, whose nickname was Hella, while also evoking the German word "heller" (brighter)—a fitting tribute for a company that has illuminated the road ahead for more than 125 years.</p><h3>Innovation in Automotive Lighting Technology</h3><p>Hella has been known for its innovations throughout its years, and plays a major role in bringing new features into lighting systems. The company's pioneering spirit is evident in its history of firsts: in 1971, Hella became the first company to get the go-ahead to build a halogen light, and in 1992, Hella started manufacturing the first-generation Xenon headlights. More recently, the company introduced the world's first full-LED headlamp system in 2007.</p><p>Today, Hella develops and manufactures headlamps, rear combination lamps, signal and interior lights for almost all renowned automotive companies, ranking among the top 5 suppliers worldwide. Their <a href="/312-hella-headlight-assembly-10762">headlight assemblies</a> and <a href="/312-hella-headlight-2796">headlights</a> incorporate cutting-edge technologies including matrix LED systems, adaptive lighting that adjusts to road conditions, and high-definition illumination that projects safety information directly onto the roadway.</p><h3>Electronic Components and Safety Systems</h3><p>Beyond lighting, Hella is primarily engaged in the development and production of high-performance lighting technology and vehicle electronics, with major products including headlamps, rear combination lamps, sensors, actuators, and energy management systems. The company's expertise extends to <a href="/312-hella-hazard-warning-and-turn-signal-flasher-10461">hazard warning and turn signal flashers</a>, which incorporate fully electronic control systems for reliable operation.</p><p>Hella also manufactures special signalling for official emergency vehicles, including flash beacons and beacons in blue and yellow, Visual Warning Systems, and all-around sound combinations. These specialized products demonstrate the breadth of Hella's engineering capabilities across both civilian and professional vehicle applications.</p><h3>Global Reach, German Precision</h3><p>Hella has more than 100 locations in over 35 countries and operates in the economic regions of Europe, NAFTA/South America, Africa, and Asia/Pacific. Despite this global footprint, the company maintains its commitment to German engineering standards and rigorous quality control. When you select original parts with the Hella label, functional safety, a perfect fit, and product durability are guaranteed—that's Hella Original Parts Quality.</p><p>For specialized applications, Hella's product range extends to <a href="/312-hella-light-bar-1069">light bars</a> for off-road and commercial use, as well as <a href="/312-hella-mastheadall-around-lights-with-fixed-mount-200665">marine navigation lights</a> through their Hella Marine division. Hella marine is a globally recognised leader in LED manufacturing and design, renowned for offering complete piece of mind and enduring safety at sea.</p><h3>Aftermarket Excellence</h3><p>Hella is the undisputed top-ranked supplier of vehicle-specific lights in the independent aftermarket, with almost 70 percent market coverage in Germany and 50 percent in the rest of Europe. This extensive catalog ensures that vehicle owners and repair professionals can source authentic Hella components for virtually any make and model. The company's aftermarket parts maintain the same exacting standards as their original equipment, manufactured in the same facilities using identical production lines and testing procedures.</p><p>Whether you're restoring classic vehicle lighting, upgrading to modern LED technology, or replacing failed components with factory-quality parts, Hella's combination of pioneering innovation and proven reliability makes them a trusted choice for automotive lighting and electronics.</p>

Part Number

002843011
05/31/2036 8:38 PM
Sale Price

$30.38

In Stock (6)

delivery box

Usually delivered within 2 days

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Hella 2843 Series Battery Master Switch provides reliable protection and control for marine electrical systems. This heavy-duty switch allows interruption of the main battery cable, offering effective protection against unauthorized use of your boat while ensuring safe battery disconnect for maintenance and storage.

Key Features:

  • 50 amp current rating for reliable performance
  • Can switch off positive or negative cable as required
  • Key-removable design?key can only be removed in "off" position when current is interrupted
  • Seawater-proof construction for harsh marine environments
  • Tin-plated terminals for superior corrosion resistance and conductivity
  • Robust design suitable for boats and marine vessels

This master switch is an essential safety component for any marine electrical system, preventing battery drain when the vessel is not in use and providing security against theft. The seawater-proof construction and tin-plated connections ensure long-lasting reliability in demanding saltwater conditions.

Products specifications

Continuous Amp Rating

100 amps

Emergency Off Decal Included

No

Includes Alternator Disconnect

No

Includes Magneto Disconnect

No

Quantity

Sold individually.

Surge Amp Rating

1,000 amps

Switch Activation

Manual

Switch Actuation

Rotary (turn)

Voltage Compatibility

12

Waterproof

Yes

DIN / ISO

HintenIPX2

Thread Pitch [mm]

1,5

Mounting Type

Bolted

Combi Switch Function

Normally Open Contact

Current Strength [A]

100

Number of Connectors

2

Control Type

Turn knob control

SVHC

7439-92-1; Lead

Capacity at 24V

max1000 A/10 sek/24V

Connecting thread

M10

Worked great

best price around

Great ! Easy , and fast

easy and cost efficient, will use you guys again in the future! Thanks!

ALL GOOD

So far, pretty simple process. these are coming recommended by a family member so I am holding out high hopes for the product quality.

great

Timely correct service

Product arrived next day and worked perfectly

The best price I could find and it arrived in 2 days! I'll be back for more.

This site was just like shopping at a real store. It was easy to make my order and I was able to do it on the go on my smartphone which is important to me that a site is compatible with handheld. Bravo

(Best price on the web...even though Google listed a shipping rate slightly lower than actual) My Autoplicity sales associate was great...very helpful, knowledgeable and professional...he even helped make up for the shipping difference by offering a small discount on the shipping. You guys have definitely earned my business....THANKS!

Very easy !

Easy site to use One great security issue the company actualy calls you to confirm the purchase to avove fraud. Excellent job!! i will buy from you again. Bill

I have found the BEST price on a part clearly overpriced at other online stores... Excellent customer service knowledgble of mustang performance! Will surely buy again!

Cheap prices, great quality, and fast delivery. Autoplicity will continue to receive my patronage.

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