Item number: 3064
EAN: 4250497811801

Automatic battery relay 140A 12/24V

Easily charge two batteries at the same time using the charging current distributors. Suited for limited engine compartments while providing the required performance

Load specifications

  • Continuous load: 140A DC12/24V
  • Short-term peak load: 170A DC12/24V
  • Ignition Protection: UL1107/UL1500
Category: Solar accessories
starting from 34,01 €

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Recommended retail price: 38,99 €
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battery voltage
Automatic battery isolating relay

Available in 12V or 24V version

This relay is ideally suited for applications with limited motor space and high power requirements.

Product features

  • no voltage drop due to high-end components
  • currenty carrying capacity max. 140A
  • sensor for both batteries
  • fully automatic control
  • with over-voltage protection
  • easy 3-wire connection at battery. No need to bypass alternator wiring 
  • LED display
  • dimensions (mm): 67,5 (L), 67,5 (W), 53,5 (H)
  • connection via tin-plated threaded bolts M6
  • Switch-on: 13.7V +0.1 / 27.47V +0.1
  • Cut-off voltage:     12.8V +0.15 / 25.6V +0.15
  • no connection of alternator (D+) necessary
  • the electronic module automatically detects the startup of the charging alternator
  • Suitable for alternators and charging currents of up to 140A OperationThe charging current distributor allows charging of two batteries simultaneously. As soon as the engine starts and the starter battery reaches the switch-on voltage, the distributor is activated so that two separate batteries (starter and secondary battery) can be charged at the same time.
    If the voltage drops below the cut-off voltage (e.g. when the engine is turned off), the distributor is deactivated and the batteries are isolated from each other. This system ensures that the starter battery is not discharged. Additionally, it protects the sensitive electronics connected to the secondary battery form voltage spikes that can occur when the engine starts.

    Connection scheme

    Connection is very easy, the distributor has 3 outputs:
    • 1x plus (+) starter battery
    • 1x plus (+) secondary battery
    • 1x ground (-) (black cable)
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