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I.L. 41-766.1N

SC, SC-1, SV and SV-1 Relay

10

Figure 9: Internal Schematic for Relays in Front Connected Case

Sub 5
184A942

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Содержание SC

Страница 1: ... pickup 35 to 60 for the ac relays The SV should not be used if the normal applied voltage is in the vicinity of pickup plus or minus 10 The SC may be used in fault detector applications where direct energization of a breaker trip coil is involved It should not be used to energize a timer The SV should be used only in overvoltage applica tions 2 0 CONSTRUCTION The types SC SC 1 and SV and SV 1 rel...

Страница 2: ... on slotted brackets These are held in position on the base by filister head screws which are threaded into the ter minal inserts Lockwashers are assembled inside the molded terminal bushings between the inserts and the base as a safeguard against loosening of the screws By rotating the bracket on its mounting screw and moving it along its slot the contact assembly can be made either normally open...

Страница 3: ...s bearings to excessive pressure of the indicator screen on the indicator or to leads so mis shaped that they tend to rotate or tilt the moving contact insulation plate with appreciable force In order to remove the plunger and shaft assembly it is necessary to remove the setscrew and nut at the top of the shaft The spool shaped bushing assem bled on the upper end of the plunger shaft has a por tio...

Страница 4: ... trials the plate comes to rest with the center line of the contacts approximately parallel to the base and with its mounting hole fairly well centered with the end of the shaft if the plate does not tip appreciably and if the leads have a safe clearance to the stationary contact brackets the leads are properly shaped If this check shows that re shaping is necessary it may be possible to obtain su...

Страница 5: ...SC SC 1 SV and SV 1 Relay I L 41 766 1N 5 THIS SPACE RESERVED FOR NOTES ...

Страница 6: ...25 40 40 10 15 20 99 28 6 9 1 5 24 07 03 1 7 0 6 0 18 225 65 19 5 7 16 05 5 1 0 2 85 98 85 98 85 98 85 98 85 98 85 98 85 98 85 98 65 80 65 80 65 80 65 80 65 80 65 80 65 80 65 80 SC 1 SC 1 SC 1 SC 1 SC 1 SC 1 SC 1 SC 1 DC 25 to 60 Hz DC 25 to 60 Hz DC 25 to 60 Hz DC 25 to 60 Hz DC 25 to 60 Hz DC 25 to 60 Hz DC 25 to 60 Hz DC 25 to 60 Hz 5 2 1 4 2 8 4 16 10 40 20 80 40 160 4 100 1 5 3 6 12 25 40 40 ...

Страница 7: ... SC 1 relays at 3 10 and 20 times minimum pickup current are approximately 31 240 and 770 V A respectively Dropout ratio varies somewhat with pickup adjustment but will be approximately constant for any given pickup setting Limits in tables include variables such as friction and other individual relay variations Maximum continuous volts given for the SV and SV 1 relays for ac are for the relay set...

Страница 8: ...contact leads Sub 4 182A854 Figure 2 Internal Schematic of the Single Unit Type SC or SC 1 Relay in the Type FT 21 Case Sub 4 182A855 Sub 1 182A856 Figure 3 Internal Schematic of the Double Unit Type SC or SC 1 Relay in the Type FT 21 Case Figure 4 Internal Schematic of the Single Unit Type SV or SV 1 Relay in the Type FT 21 Case ...

Страница 9: ...Make or Break As Required Bottom Unit Top RH Unit Front View Top LH Unit Front View Chassis Operated Shorting Switch Test Switch Current Test Jack Terminal Note Coils tapped for 1 to 25 Ratio Range when used Figure 5 Internal Wiring of the Relays in the Small Glass Case Figure 6 Internal Schematic of the Single Unit Type SC or SC 1 Relay in the Type FT 21 Case Figure 7 Internal Schematic of the Do...

Страница 10: ...I L 41 766 1N SC SC 1 SV and SV 1 Relay 10 Figure 9 Internal Schematic for Relays in Front Connected Case Sub 5 184A942 ...

Страница 11: ...SC SC 1 SV and SV 1 Relay I L 41 766 1N 11 Figure 10 Typical Time Curves for the Types SC and SV Relays Using Flux Shunt for Pickup Adjustment Sub 1 143285 ...

Страница 12: ...I L 41 766 1N SC SC 1 SV and SV 1 Relay 12 Figure 11 Typical SC SC 1 Current Relays dc or 25 to 60 Hertz Sub 1 471008 ...

Страница 13: ...SC SC 1 SV and SV 1 Relay I L 41 766 1N 13 Figure 12 Pickup on Variable Frequency for SC SC 1 Current Relays Sub 1 471013 ...

Страница 14: ...I L 41 766 1N SC SC 1 SV and SV 1 Relay 14 Figure 13 Typical Type SV Voltage Relay 120 Volts 60 Hertz Range 70 to 150 Volts Sub 1 471009 ...

Страница 15: ...SC SC 1 SV and SV 1 Relay I L 41 766 1N 15 Figure 14 Pickup on Variable Frequency for SV Relay 120 volts 60 Hertz Set at 70 volts Sub 1 471020 ...

Страница 16: ...I L 41 766 1N SC SC 1 SV and SV 1 Relay 16 Figure 15 Outline and Drilling Plan for Single Unit Relays in small glass projection case Sub 6 77D418 ...

Страница 17: ...SC SC 1 SV and SV 1 Relay I L 41 766 1N 17 Figure 16 Outline and Drilling Plan for Relays in Front Connected Case Sub 5 188A098 ...

Страница 18: ...I L 41 766 1N SC SC 1 SV and SV 1 Relay 18 Figure 17 Outline and Drilling Plan for Single and Double Unit Relays in the Type FT 21 Case Sub 17 57D7901 ...

Страница 19: ...SC SC 1 SV and SV 1 Relay I L 41 766 1N 19 Figure 18 Outline and Drilling Plan for Three Unit Relays in Type FT 32 Case Sub 17 57D7903 ...

Страница 20: ...766 1N SC SC 1 SV and SV 1 Relay Printed in U S A ABB Automation Inc 4300 Coral Ridge Drive Coral Springs Florida 33065 TEL 954 752 6700 FAX 954 345 5329 visit our website at www abbus com papd ABB ABB ABB ABB ...

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