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Power-Tronics, Inc. Electronic Voltage Regulators and Static Exciters www.power-tronics.com XR500PC Universal Phase Control The XR500PC is a device for controlling the firing angles of SCR’s and Triacs. The XR500PC allows full wave controlling of 0 to 100 percent of phase angle.
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Installation Instructions • Install the XR500PC as shown in (Figure 1). Be sure to fuse the input to the XR500PC and to your SCR bridge. • Adjust the remote voltage adjustment pot fully CCW or for the lowest resistance setting.
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Installation Diagram Figure 1 FUSE 120/240vac FUSE FUSE Voltage Adjust 3 amp 240vac FUSE Off / On 100K 3 4 5 XR500PC...
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Power-Tronics, Inc., warranties only parts and workmanship of this product for a period of 2 years from the original date of purchase from Power-Tronics, Inc. Under warranty, Power-Tronics, Inc.
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