ATD Automatic Timer Disconnect
OEM: 7615
Can be configured to be used as one of the following battery saving productsTimer 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
Solenoid
- 12V signal will connect or disconnect relay without any time delay
- 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
Solenoid
- 12V signal will connect or disconnect relay without any time delay

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Product Details (17)
Nominal Voltage
12V DC
Amperage Operating Current
175mA (closed)4mA (open)
Terminal Stud Torque
140 in-lb (15.82 Nm)
Continuous Rating
120A
Intermittent Rating
210A (5 Min)
Cable Size to Meet Ratings
1 AWG (50mm²)
Charge Sense Connect
13.0V (3 sec)
Charge Sense Disconnect
12.75V (10 sec)
Disconnect Time
5 sec, 15 min, 30 min, 1 hr, 1.5 hr, 2hr, or 4hr
Input Voltage Range
9.5-16V
Low Voltage Disconnect
11.0V (10 sec)11.5V (10 sec)12.0V (10 sec)
Maximum Cable Size
1/0 AWG (50mm²)
Stud Material
Tinned Copper
Terminal Ring Diameter Clearance
1.12in (28.45 mm)
Terminal Stud Size
3/8"-16 (M10)
Overvoltage Lockout
16.0V (5 sec)
Weight
1.25lb (0.57 kg)