Item ID: 14191
Isolation Transformer 3600W, 230V or 115V
Input 115V or 230V, Output 115V or 230V, adjustable
Weight ,shipped as package ,shipped as bulky goods ,shipped by forwarding company, free curbside
Isolation Transformer 3600W for 115V or 230V AC
Toroidal and SoftStart Function
Ship, Boats, Industrie
Safety and prevention of galvanic corrosion
The isolation transformer eliminates any electrical continuity between AC shore power and the boat. It is essential for safety and eliminates the need for galvanic isolators and polarity alarms.
Safety is taken for granted in case of a normal on-shore installation. A fuse will blow or a GFCI (Ground Fault Current Interrupter) will trip in case of a short circuit or current leakage to ground. Connecting the ground wire of the shore-side supply to the metal parts of the boat will result in galvanic corrosion (see below). Bringing only the live and neutral wire on board results in an unsafe situation because GFCI’s will not work nor will a fuse blow in case of a short circuit to a metal part on the boat.
Galvanic Corrosion occurs when two dissimilar metals in electrical contact are simultaneously exposed to an electrically onducting fluid. Seawater and, to a lesser extent, fresh water are such fluids. In general, the more active alloy of the couple corrodes preferentially while the less active (more noble) material is cathodically protected. The rate of galvanic corrosion is a function of several variables including area ratios, conductivity of the fluid, temperature, nature of the materials, etc.
It is a misunderstanding that galvanic corrosion occurs only in metal and aluminium hulls. In fact it can occur on any boat as soon as a metallic part (the shaft and propeller) is in contact with water. Galvanic corrosion will quickly dissolve your sacrificial anodes, and attack the shaft, propeller and other metal parts in contact with water as soon as the boat is connected to the shore-side supply. It might therefore be tempting not to connect the ground conductor: this is however extremely dangerous because GFCI’s will not work nor will a fuse blow in case of a short circuit to a metal part on the boat.
The best solution to avoid galvanic corrosion and at the same time prevent any unsafe situation is to install an isolation transformer to connect to the shore-side supply. The isolation transformer eliminates any electrical continuity between shore power and the boat. The shore power is fed to the primary side of the transformer and the ship is connected to the secondary. The isolation transformer completely isolates the boat from the shore ground. By connecting all metal parts to the neutral output on the secondary side of the transformer, a GFCI will trip or a fuse will blow in case of a short circuit.
Soft Start Funktion is a standard feature of our isolation transformer. It will prevent the shore power fuse from blowing due to the inrush current of the transformer, which would otherwise occur.
It is also recommended, for optimal safety, to connect the secondary neutral of the transformer to ground when the boat is out of the water.
The Isolation Transformer can be used for different input and output voltages. See below:
Input 115V to Output 115V (32A)
Input 115V to Output 230V (16A)
Input 230V to Output 230V (16A)
Input 230V to Output 115V (32A)
- Isolation Transformer 3600W
Further helpful Informations you will find in our FAQ under the following link: FAQ
- Input Voltage: 115 or 230V AC
- Output Voltage: 115 or 230V AC
- Frequency: 50/60Hz
- Rating: 32A@115V / 16A@230V
- Softstart Function: yes
- Transformator type: Toroidal
- Input circuit breaker: yes
- Housing: Aluminum
- Protecion category: IP21
- Weight: 23kg (without carton)
- Dimension: 362 x 258 x 218 (HxWxD)
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The stock status is indicated online on the respective product page. Products in stock will be shipped immediately or after receipt of payment, depending on the payment method. The shipment of goods that can be shipped by parcel is carried out to all countries of delivery by DHL. The parcel delivery times in Germany are 1-2 working days. DHL also delivers on Saturdays in Germany. We ship shipping goods via the shipping company Emons, the transit times are 2-3 working days within Germany, abroad this can not be specified flat rate, please contact us.