ABB SC - Figure 1: View of Type SV Relay showing correct shaping of moving contact leads; Figure 2: Internal Schematic of the Single Unit Type SC or SC-1 Relay in the Type FT-21 Case; 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

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I.L. 41-766.1N SC, SC-1, SV and SV-1 Relay

Moving Contact Leads

Figure 1: View of Type SV Relay showing correct shap-

ing of moving 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

Main Page

1.0 APPLICATION1
2.0 construction1
3.0 installation3
4.0 adjustments and maintenance3
5.0 RENEWAL PARTS4
Figure 1: View of Type SV Relay showing correct shaping of moving contact leads8
Figure 2: Internal Schematic of the Single Unit Type SC or SC-1 Relay in the Type FT-21 Case8
Figure 3: Internal Schematic of the Double Unit Type SC or SC-1 Relay in the Type FT-21 Case8
Figure 4: Internal Schematic of the Single Unit Type SV or SV-1 Relay in the Type FT-21 Case8
Figure 5: Internal Wiring of the Relays in the Small Glass Case9
Figure 6: Internal Schematic of the Single Unit Type SC or SC-1 Relay in the Type FT-21 Case9
Figure 7: Internal Schematic of the Double Unit Type SC or SC-1 Relay in the Type FT-21 Case9
Figure 8: Internal Wiring of the Relays in the Small Glass Case9
Figure 9: Internal Schematic for Relays in Front Connected Case10
Figure 10: Typical Time Curves for the Types SC and SV Relays (Using Flux Shunt for Pickup Adju...11
Figure 11: Typical SC & SC-1 Current Relays dc or 25 to 60 Hertz12
Figure 12: Pickup on Variable Frequency for SC & SC-1 Current Relays13
Figure 13: Typical Type SV Voltage Relay (120 Volts 60 Hertz Range 70 to 150 Volts)14
Figure 14: Pickup on Variable Frequency for SV Relay 120 volts 60 Hertz (Set at 70 volts)15
Figure 15: Outline and Drilling Plan for Single Unit Relays in small glass projection case16
Figure 16: Outline and Drilling Plan for Relays in Front Connected Case17
Figure 17: Outline and Drilling Plan for Single and Double Unit Relays in the Type FT-21 Case18
Figure 18: Outline and Drilling Plan for Three Unit Relays in Type FT-32 Case19

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