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Compact black surge protector with two ring terminals and status LEDs

WUQ

WUQ EMP Defender 12V Vehicle Surge Protector 250kA

SKU CH-JPCM-42GHN

Protects 12 V vehicle electrical systems with a 250 kA surge rating and status indicator

  • Battery TypeOffice Supplies & Gadgets
  • 250 kA surge rating shields 12 V vehicle electrics
  • Overwatch circuit reacts faster to dangerous transients
  • Green indicator confirms active protection at a glance
  • Red indicator warns instantly when unit is compromised
  • Two-wire soldered ring terminals install close to battery

Vehicle EMP protection

The WUQ EMP Defender is a heavy-duty surge protector built for 12-volt DC vehicle electrical systems. It shields the entire electrical system from high-energy transients with a 250kA surge current rating. The Overwatch protection circuit delivers faster reaction times and clear status feedback. It is intended for owners who want dedicated EMP and surge defence for a 12V platform.

Simple two-wire installation

The unit connects as close to the battery terminal as possible using large soldered ring terminals rather than crimped connections. This direct wiring method frees up space by avoiding bulky connector blocks and integrates cleanly into existing loom routing. It requires a 12VDC battery system and access to the main power feed for proper operation.

Dual-colour status indicator

A green indicator confirms the protector is actively monitoring the electrical system. A red indicator shows the internal Littlefuse varistors have been damaged by a surge event and the unit must be replaced. This visual feedback removes guesswork about protection status without requiring diagnostic tools or software.

Highlights

  • 250 kA surge rating shields 12 V vehicle electrics
  • Overwatch circuit reacts faster to dangerous transients
  • Green indicator confirms active protection at a glance
  • Red indicator warns instantly when unit is compromised
  • Two-wire soldered ring terminals install close to battery

Specifications

Battery TypeOffice Supplies & Gadgets

Questions about this item

How much surge current can the 12V EMP Defender handle before it fails?

The unit is rated for a 250kA surge current, so it can absorb very large transient spikes on a 12-volt vehicle electrical system.

Does the protector generate noticeable heat or noise during continuous operation?

It is a passive varistor-based device with no fan or moving parts, so it runs silently and produces no measurable heat under normal conditions.

What existing wiring or terminals must the vehicle already have for the two-wire installation?

You need access to the battery posts to attach the large soldered ring terminals directly to the positive and negative terminals.

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