ABB E3ED Timer card

Industrial locations are characterized by the existence of one or more of the following conditions: 1) industrial, scientific and medical (ISM) apparatus are present; 2) heavy inductive or capacitive loads are frequently switched; 3) currents and associated magnetic fields are high; 4) location supplied by their own transformer. These components are not intended for connection to a public mains network, but are intended to be connected to a power network supplied from a high or medium-voltage transformer dedicated for the supply of an installation feeding manufacturing or similar operations. They are suitable for use in all establishments other than domestic and those directly connected to a low voltage power supply network which supplies buildings used for domestic purposes.

This series of high frequency switching power 

supplies is designed to operate as a source of constant current/constant voltage power with automatic crossover. The ESS series exhibits excellent transient response, excellent regulation, high efficiency, low ripple and low noise. NOTE: This manual contains information, instructions and diagrams which apply to a variety of standard constructions. If special features or modifications have been installed, the specific instructions peculiar to that special are contained in addenda and take precedence where conflicts exist. Take care to refer to the correct information for your unit.

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