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EarthX LED Fault Light Panel Mount Indicator 12V-5MM

EarthX LED Fault Light Panel Mount Indicator 12V-5MM

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Part numbers : RX1-11-17281 , 5MM-12 , 5MM12 , 11-17281
Unit of Measure: EA

27.15 EUR / EA 27.15 EUR 27.15 € excl. VAT

27.15 EUR / EA excl. VAT

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Up to 9 EA ready to ship on Monday 2026-08-24
Order before 17:00 CET on Friday 2026-08-21
Up to 29 EA ready to ship on Thursday 2026-08-27
Order before 17:00 CET on Friday 2026-08-21
11 EA available on request, fees apply
Special order from vendor stock.

The EarthX 5MM12 is an amber, 12 V LED fault indicator designed for panel mounting as a remote status-light accessory for an EarthX battery fault-monitor connection. Its compact 5 mm LED format provides a clear visual indication at the instrument panel when installed in accordance with the applicable EarthX battery documentation.

  • Manufacturer part numbers: 5MM-12 / 5MM12
  • Amber 5 mm LED indicator
  • 12 V operation; stated compatibility with 10–15 V electrical systems
  • Integrated 500 ohm, 1/2 W resistor
  • Panel mounting with supplied nut and washer
  • 20 AWG wire leads, approximately 1.2 m long
  • Recommended panel hole size: approximately 8 mm

EarthX specifies connection of the red lead to the positive electrical bus and the black lead to the battery fault-monitor wire. Refer to the applicable EarthX battery manual and installation instructions for wiring, circuit protection and fault-indication guidance.

EarthX Battery User’s Manual

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Overview

Easily see if you have a battery fault with this 5mm Red LED light for your EarthX experimental aircraft.

The 12V LED has a built in resistor for easy installation and compatibility with a 10-15V electrical system. Details installation directions are located in the EarthX manual but it is very simple. To install, connect red wire to a positive bus connection, connect the black wire to fault monitoring wire (also black) that is located on the EarthX battery.

Specifications

  • Color: Red
  • Mounting: Nut and Washer (included)
  • Termination style: Wire 20ga- 48″ length
  • Voltage: 12V
  • Built in resistor: 500 ohm, 1/2 Watt
  • Drill bit size: .325 or 5/16″

Installation

  • The positive wire (red wire) of the LED should be connected to the electrical bus (12volt positive), typically to a fuse/breaker downstream of the master switch. The negative of the LED (black wire) should be connected to the fault monitor wire (wire out the side of the battery) of the battery.

  • Step 1: install the 12V LED light thru a hole in your control panel.
  • Step 2: cut the black wire to length desired for your installation so the LED’s black wire reaches the battery.
  • Step 3: use a wire stripper to remove ¼” of the wire insulation so you can attach the “male” spade connector to the black wire. Crimp the male spade connector to black wire.
  • Step 4: plug the male spade connector into the end of the pigtail wire from the battery.
  • Step 5: connect the red wire to an electrical bus fuse/breaker (.25-1 AMP). May have to untwist wire and cut to length. Most of the time it is most convenient to connect to a fuse on the back side of the panel. If not, it could also be connected directly to the positive terminal of the battery with a ¼” ring lug connector.


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