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S&C Type CS-1A Switch Operator★
Outdoor Transmission
Table of Contents
Introduction � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 2
Qualified Persons � � � � � � � � � � � � � � � � � � � � � � � � � � � 2
Read this Instruction Sheet � � � � � � � � � � � � � � � � � � � 2
Retain this Instruction Sheet� � � � � � � � � � � � � � � � � � � 2
Proper Application � � � � � � � � � � � � � � � � � � � � � � � � � � 2
Warranty � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 2
Safety Information � � � � � � � � � � � � � � � � � � � � � � � � 3
Understanding Safety-Alert Messages � � � � � � � � � � � 3
Following Safety Instructions � � � � � � � � � � � � � � � � � � 3
Replacement Instructions and Labels � � � � � � � � � � � 3
Location of Safety Labels � � � � � � � � � � � � � � � � � � � � � 4
Safety Precautions � � � � � � � � � � � � � � � � � � � � � � � 5
Shipping and Handling � � � � � � � � � � � � � � � � � � � � 6
Inspection � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 6
Packing � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 6
Storage � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 6
Handling � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 6
★For use with the Mark V Circuit-Switcher
November 13, 2023
© S&C Electric Company 1975-2023, all rights reserved
Installation
Installation � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 7
Before Starting � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 7
Switcher Vertical Operating Shaft � � � � � � � � � � � �10
External Control-Circuit Wiring � � � � � � � � � � � � � �11
Using the Manual Operating Handle � � � � � � � � � � � �12
Using the Selector Handle (Coupling and
Decoupling) � � � � � � � � � � � � � � � � � � � � � � � � � � � � �14
Adjusting the Switch Operator � � � � � � � � � � � � � 16
Adjusting the Travel-Limit Discs � � � � � � � � � � � � � � � �19
Adjusting the Auxiliary Switches � � � � � � � � � � � � � � � 22
About the Extra Auxiliary Switches � � � � � � � � � � � � 23
Instruction Sheet 719-500
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Summary of Contents for S&C CS-1A
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Page 1: Table Of Contents
S&C Type CS-1A Switch Operator★ Outdoor Transmission Installation Table of Contents Introduction � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 2 Installation �... -
Page 2: Introduction
PDF format at https://www�sandc�com/en/ contact-us/product-literature/� Retain this This instruction sheet is a permanent part of the Type CS-1A Switch Operator. Designate a location where users can easily retrieve and refer to this publication. Instruction... -
Page 3: Safety Information
Understanding Several types of safety-alert messages may appear throughout this instruction sheet and on labels and tags attached to the Type CS-1A Switch Operator. Become familiar with these types Safety-Alert of messages and the importance of these various signal words:... -
Page 4: Location Of Safety Labels
Safety Information Location of Safety Labels Reorder Information for Safety Labels Location Safety Alert Message Description Part Number CAUTION Use pushbuttons to open or close the Circuit-Switcher���� G-4527R3 NOTICE The S&C Instruction Sheet is a permanent part of your S&C Equipment���� G-3733R2 NOTICE Auxiliary switch cams are individually adjustable�... -
Page 5: Safety Precautions
The vertical operating shaft SAFETY PROCEDURES� Always follow safe 2� above the Type CS-1A Switch Operator must also operating procedures and rules� be connected to a suitable earth ground� PERSONAL PROTECTIVE EQUIPMENT� Always 3�... -
Page 6: Shipping And Handling
Shipping and Handling Inspection Handling Examine the shipment for external evidence of damage as Lift the Type CS-1A Switch Operator with a lifting sling looped around the switch operator output shaft. See soon after receipt as possible, preferably before removal Figure 1. -
Page 7: Installation
Installation Before Starting WARNING The Type CS-1A Switch Operator is a high-speed operator expressly designed for power operation of the Mark V Circuit- Unauthorized changes should not be made to the wiring Switcher. Use Table 1 to identify the associated wiring of the Type CS-1A Switch Operator� Should a control-... - Page 8 Switch operator Alignment arrow Self-locking nut output shaft Manual operating handle Pushbutton protec- tive cover Latch knob Selector handle Door handle Figure 2� An external view of a Type CS-1A Switch Operator with the door closed� S&C Instruction Sheet 719-500...
- Page 9 Motor contactor, opening Motor contactor, closing Motor circuit fuseholder Space heater fuseholder Space heater Door gasket Conduit entrance Filter holder plate Figure 3� An interior view of a Type CS-1A Switch Operator with the door open� S&C Instruction Sheet 719-500...
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Page 10: Connecting The Switch Operator To The Circuit-Switcher Vertical Operating Shaft
Removable half of flexible Gearbox coupling Piercing set Clamp bolts screws Flexible coupling Vertical shaft Attachment bolts Output shaft Figure 4� The connection between the circuit-switcher gearbox and the Type CS-1A Switch Operator� S&C Instruction Sheet 719-500... -
Page 11: Making Conduit Connections And Connecting
Installation Making Conduit Connections and Connecting External Control-Circuit Wiring NOTICE To avoid accidental energizing of the operator after the external connections have been completed, remove the two-pole pull-out fuseholders for the motor, space- heater, and (if applicable) shunt-trip circuits� See Figure 3 on page 9�... -
Page 12: Using The Manual Operating Handle
Installation Using the Manual Operating Handle The manual operating handle is used during switch operator adjustment. Become familiar with the operation of the manual operating handle, as described on the switch operator nameplate on the right-hand side of the enclosure. WARNING Manual closing of an energized circuit-switcher is not Latch... - Page 13 Installation STEP 4� To return the manual operating handle to its Storage position, pull the latch knob and pivot the handle approximately 90 degrees. The handle will then be disengaged from the switch operator and may be rotated freely in either direction to its Storage position.
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Page 14: Using The Selector Handle
Installation Using the Selector Handle (Coupling and Selector handle Decoupling) The selector handle will be used during switch operator adjustment. The integral external selector handle, for operation of the built-in internal decoupling mechanism, is located on the right-hand side of the switch operator enclo- sure. - Page 15 Installation To couple the switch operator to the circuit- switcher: Manually operate the switch operator to bring STEP 1� it to the same position (Open or Closed) as the circuit-switcher. The switch operator position indicator, seen through the observation window, will show when the approximate Open or Closed position has been attained.
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Page 16: Adjusting The Switch Operator
Adjusting the Switch Operator Adjusting Position Indicator and Cranking Direction NOTICE To avoid accidental energizing of the operator after the Clamp bolts external connections have been completed, remove the two-pole pull-out fuseholders for the motor, space- Piercing heater, and (if applicable) shunt-trip circuits� See Figure 3 set screws on page 9�... - Page 17 Adjusting the Switch Operator (b) If the cranking direction required to close on page 18. Rotate the outer ring until the the circuit-switcher is opposite to that desired direction is displayed in the cutaway indicated by the arrow plate, remove the section.
- Page 18 Adjusting the Switch Operator Table 1� Initial Adjustment of Travel-Limit Discs Indicator Plate Number Number of Circuit-Switcher Opening-Stroke Adjustment Closing-Stroke Adjustment Interrupter Gaps per Style Counterclockwise to Counterclockwise to Pole-Unit Clockwise to Open Clockwise to Close Open Close Vertical break and center break Integer Positioning screws...
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Page 19: Adjusting The Travel-Limit Discs
Adjusting the Switch Operator Adjusting the Travel-Limit Discs STEP 2� Adjustment of the closing-stroke travel-limit disc (and therefore the associated cams) is accom- The Travel Limit switch (coupled to the motor) that plished as follows: governs the extent of output-shaft rotation in the opening and closing directions includes six contacts operated by (a) Manually crank the circuit-switcher to the cam-actuated rollers. - Page 20 Adjusting the Switch Operator and operate the switch operator electrically to both the Open and Closed positions) to indicate close the circuit-switcher. Repeat the procedure, the circuit-switcher has been driven to a positive- as described in Step 4 and in Figure 11, and adjust toggle position against its open (or closed) stops.
- Page 21 Adjusting the Switch Operator Use when the output shaft and travel-limit disc rotation direction is clockwise to open� Opening-stroke travel-limit disc (With the circuit-switcher and switch operator in the fully Open position, raise and turn counterclockwise to increase travel of switch operator�) Closing-stroke travel-limit disc (With the circuit-switcher and switch operator in the...
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Page 22: Adjusting The Auxiliary Switches
Adjusting the Switch Operator Adjusting the Auxiliary Switches Extra auxiliary switch The auxiliary switch, which is permanently coupled to the (catalog number suffix motor, includes eight contacts (terminals 11 through 26). "-W" or "-Z") (If the optional position-indicating lamps are included, six contacts are available: terminals 13 through 18 and terminals 21 through 26.) These contacts are provided so external circuits can be established to monitor switching... -
Page 23: About The Extra Auxiliary Switches
Adjusting the Switch Operator About the Extra Auxiliary Switches STEP 6� Operate the switch operator to the fully Open position. Remove the switch-circuit fuseholder Switch operators having catalog numbers with either the and, if necessary, adjust the cams as described suffix “-W”... - Page 24 Adjusting the Switch Operator Opening stroke travel-limit disc Travel- Travel-limit limit switch switch Closing stroke travel-limit disc a1 contacts a1 contacts closed open Auxiliary Auxiliary switch switch 8-PST 8-PST b1 contacts b1 contacts open closed Extra Extra a1 contacts auxiliary a1 contacts auxiliary closed...
- Page 25 Adjusting the Switch Operator a2 contacts a2 contacts Extra Extra closed open auxiliary auxiliary switch switch 8-PST 8-PST catalog catalog number b2 contacts b2 contacts number suffix open closed suffix “-W” “-W” a2 contacts a2 contacts closed open b2 contacts b2 contacts open closed...
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