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ATD Automatic Timer Disconnect
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.
| 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) |
| Over Voltage Lockout | 16.0V (5 sec) |
| Weight | 1.25lb (0.57 kg) |

