The ECTIVE isolation relay reliably prevents the supply battery from drawing power from the starter battery as soon as you have switched off the engine:

• Prevents unwanted discharge of the starter battery
• Designed for continuous loads up to 140 A
• LED display signals the charge of the supply battery
• Complete set including cables and small parts for easy assembly
  
  
• Data sheet DE.pdf
• Datasheet EN.pdf
• Operating instructions DE+EN