72 BATTERY MANAGEMENT bluesea.com ATD Automatic Timer Disconnect Select from 4 methods to manage your batteries: Timer Disconnect, Low Voltage Disconnect, Automatic Charging Relay, or Solenoid 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 • Optional charge sense can be used instead of 12V signal to reduce wiring • Test mode disconnects devices after 5 seconds to confirm relay and timer are operational Low Voltage Disconnect • Senses low battery voltage and automatically disconnects devices to save power • Adjustable voltage setting at 11.0V, 11.5V, or 12.0V • 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 battery banks for charging off a single charging source (i.e. alternator) • Isolates batteries when charging source is not present or discharging • Single side sensing design only monitors the voltage of the start battery • Ideal for auxiliary batteries that are AGM or larger than the start battery Solenoid • 12V signal will connect or disconnect relay without any time delay. Specifications Nominal Voltage 12V DC Input Voltage Range 9.5–16V Continuous Rating 120A Intermittent Rating: 5 min. 210A (Combine) Amperage Operating Current 175mA (Open) Amperage Operating Current 4mA Cable Size to Meet Current Ratings 1 AWG (50mm²) Maximum Cable Size 1/0 AWG (50mm²) Terminal Stud Size 3/8"-16 (M10) Terminal Stud Torque 140 in-lb (15.82Nm) Time Range 15 Minutes – 4 Hours Regulatory Emarked, Meets ISO 8846 and SAE J1171 external ignition protection requirements IP67-protected against immersion up to 1 meter for 30 minutes (see inside back cover) Part# Description 7615 Automatic Timer Disconnect 0.97" 24.61mm 2.55" 64.77mm 3.31" 84.14mm 2.56" 65.09mm 4 MOUNTING HOLES FOR #8 OR M4 SCREWS 1.86" 47.12mm 3/8"-16 M10 STUD 0.90" 22.86mm 0.81" 20.45mm 3.89" 98.71mm 1.98" 50.29mm 3.50" 88.96mm Related Products MRBF Terminal Fuse Blocks page 92 For the full list of specifications see page 79 cover off
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