VOTRONIC Battery Protector 40 / 24 engine

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  • €74,67
  • Normal price €87,57
  • In stock
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battery guard

Undervoltage protection for board and starter battery



blue light

Delivery time: 1-3 working days!

The VOTRONIC Battery Protector 40 and Battery Protector 100 devices are connected between the supply battery and the consumer and are suitable for all lead battery types (acid, gel, AGM) and brands. They protect the battery from dangerous total discharge and consumers and equipment from under and overvoltage and, controlled by an external switch, can also be used as a remote-controlled main battery switch.

  • High switching current 100A, briefly overloadable up to 180A; switchable to 12V / 24V vehicle electrical system
  • Intelligent automatic switching thresholds always calculates the correct "empty" switch-off point based on stored battery characteristic fields for safe protection of the battery with optimal capacity utilization, both for heavy consumers (low switching threshold with shorter response time) and for very small loads (e.g. "secret" electricity consumers with response times over days/months with a high response threshold)
  • optional operation with 3 fixed switch-off thresholds (manually) adjustable
  • the higher settings maintain the ability to start emergency vehicles with only one battery circuit
    (according to DIN EN 1789)
  • Pre-alarm with visual (LED) and acoustic (beeper, can be switched off) display and separate warning switching output (PNP, plus output 0.2 A) enables the user to take countermeasures in good time
    (e.g. switch off unnecessary consumers)
  • Solid battery screw connections for cable lugs M6 including cover for battery connections
device type Art.-
switching threshold
reset point
Battery Protector 100 3078 12 and 24 100/180 10.6 / 11.5 / 11.8 1st
9.5 - 12.2 1, 2
12.4 / 12.5 / 12.8 1st
12.5 1, 2
15.5 / 15.0 1st 180
1 with 24 V operation values ​​x 2 2 automatic switching thresholds
Dimensions (W x H x D) 105 x 36 x 71 mm (including mounting flanges, without connections)
Approval: CE, E-test (EMC/Automotive Directive)
Scope of delivery: User manual, cover for battery connections
Temperature range: -20 / +50°C

Also available in boat version with moisture-proof electronics !