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Getting Started
2
PS280 & PS283 User Manual
Preparing the Power Supply for Use
Check the following items prior to operating the Laboratory DC
Power Supply for the first time (see Figure 1 for locations of items 1
through 3):
1
3
2
Figure 1: Line Voltage Selectors, Power Input, and Fuse Locations
CAUTION. To prevent damage to the instrument, set the line voltage
selectors to the proper voltage setting and install the correct line
voltage fuse before operating the equipment.
1. Set the line voltage selectors to the input line voltage. These
selectors connect internal wiring for various line voltages. This
product is intended to operate from a power source that does not
supply more than 250 V
RMS
between the supply conductors or
between either supply conductor and ground. For line voltage
ranges, refer to Appendix A: Specifications on page 25.
WARNING. To prevent electrical shock, unplug the power cord and
disconnect the test leads from the circuit before checking or
replacing the fuse.
2. Check that the correct line fuse is installed. The line fuse
provides protection if the equipment malfunctions or an overload