Schweitzer Engineering Laboratories SEL-351S - Synchronism Check Elements (See Figures 3.24 and 3.25); Frequency Element (See Figure 3.28)

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Date Code 20010112
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3KDVHWRSKDVHXQGHUYROWDJHSLFNXS
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Synchronism Check Elements (See Figures 3.24 and 3.25)
0DNHWKHIROORZLQJVHWWLQJVLISUHFHGLQJHQDEOHVHWWLQJ( <
9ROWDJHZLQGRZORZWKUHVKROG
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9ROWDJHZLQGRZKLJKWKUHVKROG
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Frequency Element (See Figure 3.28)
0DNHWKHIROORZLQJVHWWLQJVLISUHFHGLQJHQDEOHVHWWLQJ( 
3KDVHXQGHUYROWDJHEORFN
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/HYHOWLPHGHOD\F\FOHVLQF\FOHVWHSV '' 
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/HYHOWLPHGHOD\F\FOHVLQF\FOHVWHSV '' 
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/HYHOWLPHGHOD\F\FOHVLQF\FOHVWHSV '' 
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