PT40 Battery Guard - 40 Amp 12/24V
The Alfatronix PT40 Battery Guard is a compact, reliable solution for protecting your starter battery from deep discharge. It automatically disconnects auxiliary loads when the voltage drops too low and reconnects when safe charging levels are reached, ensuring you always have enough power left to start your engine. Perfect for cars, vans, 4x4s, campervans, and commercial vehicles running auxiliary equipment such as lights, fridges, pumps, or inverters.
- Key Features:
40A continuous current rating with short-term surge handling
Auto-sensing 12V/24V operation (9–32V DC input range)
Programmable cut-off and reconnect voltages for flexibility
LED status indication for clear battery monitoring
Manual override function for controlled shut-down if required
Over-current and thermal protection for safe operation
Sealed IP65 housing – dust, moisture, and vibration resistant
Connection via M6 stud terminals
Compact and lightweight design (76 × 78 × 33 mm, 155g)
Also available in a timed version, which disconnects the load after a preset period once the ignition is turned off.
SKU: D-CON-25279
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