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Manual Titan 9

2.3 Protection

The battery charger is safe to use due to its robust design and its internal electronic

protection. This chapter describes the various internal electronic protective devices.

Maximum charge current protection

 The battery charger provides a maximum charge current of 30A for the 30A models or

50A for the 50 A models. This level is electronically limited and is factory set.

 The maximum output current can also be limited by using an external potentiometer-

panel, the Victron Energy COV panel.

Short circuit protection

 The charger output is protected against short-circuits. The short-circuit current is

electronically limited at 30A or 50A, according to the model. In this condition the output

voltage approaches 0 Volt. The battery charger resumes normal operation when the short

circuit is removed.

 The short circuit current can also be reduced by the Victron Energy COV panel.

Input protection

 The charger mains-input is protected with a fuse.

 The charger will not be damaged by using input voltage between 0 and 300 Vac.

 The charger will not be damaged by using input voltage frequency between 0 and 65

Hz.

Over voltage protection

 The charger switches off automatically when the battery voltage becomes higher than the

over voltage value. The charger switches back on when the battery voltage becomes less

than the raise value. See the table below.

Model Over voltage value Raise value

12V 19,1 Vdc 18,1 Vdc

24V 35,5 Vdc 33,5 Vdc

48V 68,1 Vdc 64.1 Vdc



The charger output is protected with a fuse.

Starter battery protection

 The output current of the starter battery output is electronically limited at 4A. The starter

battery output is also protected against wrong connections by means of a 10A fuse.

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Victron energy 24/30 Bedienungsanleitung Seite 11