FieldPower® DC-Network

Switch-mode power supply with decentralised fuse protection

The demand for 24-V current in facilities has grown as productivity increases. Modular and decentralised topologies have long been firmly established. Yet the auxiliary power is still often being generated in the electrical cabinet and transmitted with significant power loss to the field using long cables. Standard compliant fuse protection for these lines is thus repeatedly ignored since such protection is difficult to implement on such long stretches.

The new FieldPower® switch-mode power supply creates and protects the current supply directly at the consumer site. Its many features make it possible to operate highly dependable and energy efficient DC power networks.

More than just a power supply: FieldPower® DC-Network

Features:

More than just a power supply

This power-bus-compatible power supply unit does not trigger the 400-V group protective device when reacting to load current peaks. In addition to the power supply unit, the FieldPower® Terminal can also be used for quick and error-free supply to other 400-V consumer loads.

Extended application range

The FieldPower® switch-mode power supply can be operated in practically any installed position in temperatures ranging from –30 to +50 °C. It can even be used in refrigerated warehouses.

PowerBoost for branch fuse protection

Rail-mounted fuse protection for branches (spurs) can be installed into the FieldPower® power supply housing. The PowerBoost from one or more power supplies can selectively trip the fuse after a short circuit.

Highly reliable power supply

The power supply unit functions even if there is a phase outage. A PowerBoost (2x IN for 300 ms) is available for start-up and load currents. High voltage stability can be achieved especially when implementing multiple feeds with a load balancing mechanism.

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