Blue Sea 7615 ATD Automatic Timer Disconnect


Adjustable time or voltage based battery disconnect automatically shuts off devices to preserve battery power. Rated for up to 120A continuous and 210A peak @12V DC.

SKU: 7615-BSS Categories: , , , ,
Range Discount
1 - 4 $119.99
5 - 9 $116.60
10 - 24 $110.84
25 + $103.48

Can be configured to be used as one of the following battery saving products

Timer Disconnect

  • 12V signal triggers relay to connect battery power to devices
  • When signal is removed the timer is activated and will disconnect devices after a preset time
  • Timer ranges from 15 minutes to 4 hours

Low Voltage Disconnect

  • 12V signal triggers relay to connect battery power to devices.
  • After 12V signal is removed, device senses low battery voltage and automatically disconnects devices.
  • Low voltage setting can be used in conjunction with Timer Disconnect. Low voltage will disconnect devices prior to preset time to preserve battery power

Automatic Charging Relay

  • Automatically combines two batteries when charging, and isolates them when discharging
  • Single side sensing design only monitors the voltage of the start battery
  • Ideal for auxiliary batteries that are AGM or significantly larger than the start battery


  • 12V signal will connect or disconnect relay without any time delay
Weight 1.25 lbs
Dimensions 1 × 1 × 1 in


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