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Automatic voltage sensing ACR split charging relay 12V 500A continous 2500 Amps peak

Automatic voltage sensing ACR split charging relay 12V 500A continous 2500 Amps peak

£179.69 Ex VAT
£215.63 Inc VAT
 in stock 

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LED Lighting Specialist

With the complexity of vehicle systems today it can often be difficult to install a battery seperation system, without the use of CAN bus adaptors or possibly invalidating the manufactures warranty. The use of a VSR or Voltage Sensing Relay removes the need for complicated wiring, they have been used in the leisure world for some time but but with a limited current capacity, are mainly 12 volt and must be mounted in the dry.

The 7622 overcomes all of these restrictions found with most VSR's and is packed with features & functionality

  • Rated at 500 Amps continous, but capable of handling inrush currents of up to 2500 Amps
  • Suitable for use on 12  volt systems
  • IP66 rated
  • CE approved and marked
  • M10 terminals
  • Remote status LED output, indicates when relay is active and alerts to any probelms.
  • Dual sensing so it does not matter which battery is connected to which side
  • Emergency jump start - allows both batteries to be combined

The unit only has to be connected to the primary and secondary batteries - the rest is done automatically removing the need for finding alternator sense wires, ignition feeds not live whilst cranking etc, once the alternator is charging the 7622 will kick in to allow charge through to the second battery subject to the second battery being able to accept charge and above 10.8 volts

Please click here to download an article in LRM magazine covering the instalation of this product.

Carling Contura switch complete with built in status LED for that factory look install - supplied within the package.

We recomend the fitting of fuses between BOTH batteries - suitable fuse holder package & fuses can be found here

For suitable Copper Tube terminals then please go here


  • Model: BlueSea 7622 ACR 12V
  • Shipping Weight: 0.8KGs
  • 6 Units in Stock
  • Manufactured by: Blue Sea Systems

Automatic voltage sensing ACR split charging relay 12V 500A continous 2500 Amps peak
Automatic voltage sensing ACR split charging relay 12V 500A continous 2500 Amps peak