3500E EPA Tier 4 Final and IMO-II/III Switchable Marine Engines Caterpillar


Electrical System Operation

Usage:

3512E MD3

Power Supply

The engine must be supplied with a reliable source of direct current electricity. There should be a minimum of one alternative power source. The Electronic Control Module (ECM) needs 10 amp of 24 VDC that is supplied by a dedicated battery set. The following components will work as an alternative power supply: back up battery sets, engine driven alternators and battery chargers. If a battery charger is used as an alternative power supply, the battery charger must have a regulated power supply.

Power Distribution Panel

The power distribution panel distributes power to the various systems on the engine. The power distribution panel has two external connections for the battery. The power distribution panel has multiple breakers that are mounted externally. The power distribution panel contains the following controls inside the panel: control relays, circuit breakers, diodes, control switches, and timer.



Illustration 1g06357280
Power distribution panel


Illustration 2g06357285
Power distribution panel box


Illustration 3g06357286
Power distribution panel door

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