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Variable Power Supply
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Variable Power Supply

8525-2

Description

The Power Supply module is the primary component of the system. All associated equipment is powered by this power supply. A flexible, 5-wire power cord, terminated with a 5-prong, twist-lock plug and line cap, feeds the module. A mechanical interlock on the line cap prevents the removal of an energized Power Supply from its locked position in the workstation. The Power Supply requires a 3-phase, wye-connected, 5-wire service installation. An appropriate wall outlet is shipped with each Power Supply so that site power can be properly terminated to receive the power cord. In addition to the 3-phase legs and the neutral, a separate copper ground provides proper grounding for the Power Supply chassis and workstation cabinets, thus ensuring added safety for students using the equipment.

The Power Supply provides fixed and variable ac and dc voltage sources all terminated with 4 mm safety jacks. They can be used simultaneously, up to a total load current equal to the rating of the fixed 3-phase output. Independent circuit breakers, reset at the front panel, protect the Power Supply input and outputs. Indicator lamps monitor the presence of input voltage in each phase. When a phase leg of the site power service is out, the lamp goes off to reflect this condition. A voltmeter, connected through a selector switch, monitors the outputs.

The Variable Power Supply is available in different variants depending on ac power network voltages and frequencies. Because of this, the actual module may vary from the one shown in the picture.


Variable Power Supply (2 kW)
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