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![Page 1: SGR-51 Reclosing Relay short-circuit from capacitor C2 allowing it to charge through RIO and potentiometer R37 to the firing voltage of unijunction transistor Q3. The time required](https://reader031.vdocuments.site/reader031/viewer/2022022502/5aacff027f8b9ac55c8db806/html5/thumbnails/1.jpg)
![Page 2: SGR-51 Reclosing Relay short-circuit from capacitor C2 allowing it to charge through RIO and potentiometer R37 to the firing voltage of unijunction transistor Q3. The time required](https://reader031.vdocuments.site/reader031/viewer/2022022502/5aacff027f8b9ac55c8db806/html5/thumbnails/2.jpg)
41-668.1E Type SGR-51 Reclosing Relay
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![Page 3: SGR-51 Reclosing Relay short-circuit from capacitor C2 allowing it to charge through RIO and potentiometer R37 to the firing voltage of unijunction transistor Q3. The time required](https://reader031.vdocuments.site/reader031/viewer/2022022502/5aacff027f8b9ac55c8db806/html5/thumbnails/3.jpg)
Type SGR-51 Reclosing Relay 41-668.1E
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![Page 4: SGR-51 Reclosing Relay short-circuit from capacitor C2 allowing it to charge through RIO and potentiometer R37 to the firing voltage of unijunction transistor Q3. The time required](https://reader031.vdocuments.site/reader031/viewer/2022022502/5aacff027f8b9ac55c8db806/html5/thumbnails/4.jpg)
41-668.1E Type SGR-51 Reclosing Relay
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![Page 5: SGR-51 Reclosing Relay short-circuit from capacitor C2 allowing it to charge through RIO and potentiometer R37 to the firing voltage of unijunction transistor Q3. The time required](https://reader031.vdocuments.site/reader031/viewer/2022022502/5aacff027f8b9ac55c8db806/html5/thumbnails/5.jpg)
Type SGR-51 Reclosing Relay 41-668.1E
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![Page 6: SGR-51 Reclosing Relay short-circuit from capacitor C2 allowing it to charge through RIO and potentiometer R37 to the firing voltage of unijunction transistor Q3. The time required](https://reader031.vdocuments.site/reader031/viewer/2022022502/5aacff027f8b9ac55c8db806/html5/thumbnails/6.jpg)
41-668.1E Type SGR-51 Reclosing Relay
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![Page 7: SGR-51 Reclosing Relay short-circuit from capacitor C2 allowing it to charge through RIO and potentiometer R37 to the firing voltage of unijunction transistor Q3. The time required](https://reader031.vdocuments.site/reader031/viewer/2022022502/5aacff027f8b9ac55c8db806/html5/thumbnails/7.jpg)
Type SGR-51 Reclosing Relay 41-668.1E
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Fig. 3. Internal Schematic of Type SGR-51 Relay*
Sub 3201C442
![Page 8: SGR-51 Reclosing Relay short-circuit from capacitor C2 allowing it to charge through RIO and potentiometer R37 to the firing voltage of unijunction transistor Q3. The time required](https://reader031.vdocuments.site/reader031/viewer/2022022502/5aacff027f8b9ac55c8db806/html5/thumbnails/8.jpg)
41-668.1E Type SGR-51 Reclosing Relay
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![Page 9: SGR-51 Reclosing Relay short-circuit from capacitor C2 allowing it to charge through RIO and potentiometer R37 to the firing voltage of unijunction transistor Q3. The time required](https://reader031.vdocuments.site/reader031/viewer/2022022502/5aacff027f8b9ac55c8db806/html5/thumbnails/9.jpg)
Type SGR-51 Reclosing Relay 41-668.1E
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![Page 10: SGR-51 Reclosing Relay short-circuit from capacitor C2 allowing it to charge through RIO and potentiometer R37 to the firing voltage of unijunction transistor Q3. The time required](https://reader031.vdocuments.site/reader031/viewer/2022022502/5aacff027f8b9ac55c8db806/html5/thumbnails/10.jpg)
41-668.1E Type SGR-51 Reclosing Relay
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![Page 11: SGR-51 Reclosing Relay short-circuit from capacitor C2 allowing it to charge through RIO and potentiometer R37 to the firing voltage of unijunction transistor Q3. The time required](https://reader031.vdocuments.site/reader031/viewer/2022022502/5aacff027f8b9ac55c8db806/html5/thumbnails/11.jpg)
Type SGR-51 Reclosing Relay 41-668.1E
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THIS PAGE RESERVED FOR NOTES
![Page 12: SGR-51 Reclosing Relay short-circuit from capacitor C2 allowing it to charge through RIO and potentiometer R37 to the firing voltage of unijunction transistor Q3. The time required](https://reader031.vdocuments.site/reader031/viewer/2022022502/5aacff027f8b9ac55c8db806/html5/thumbnails/12.jpg)
ABB Inc.4300 Coral Ridge DriveCoral Springs, Florida 33065Telephone: +1 954-752-6700Fax: +1 954-345-5329www.abb.com/substation automation
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