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S&C Type CS-1A Switch Operator

Outdoor Transmission

November 13, 2023
©  S&C Electric Company 1975-2023, all rights reserved

Instruction Sheet 719-500

Installation

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

Installation � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 7

Before Starting � � � � � � � � � � � � � � � � � � � � � � � � � � � � �  7
Connecting the Switch Operator to the Circuit-

Switcher Vertical Operating Shaft � � � � � � � � � � � �10

Making Conduit Connections and Connecting 

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 Position Indicator and Cranking Direction 16
Adjusting the Travel-Limit Discs � � � � � � � � � � � � � � � �19
Adjusting the Auxiliary Switches � � � � � � � � � � � � � � �  22
About the Extra Auxiliary Switches  � � � � � � � � � � � �  23

For use with the Mark V Circuit-Switcher

Содержание CS-1A

Страница 1: ...cation of Safety Labels 4 Safety Precautions 5 Shipping and Handling 6 Inspection 6 Packing 6 Storage 6 Handling 6 Installation 7 Before Starting 7 Connecting the Switch Operator to the Circuit Switch...

Страница 2: ...operation of the Mark V Circuit Switcher The application must be within the ratings furnished for the equipment Ratings and application information for the Type CS 1A Switch Operator are listed in the...

Страница 3: ...ortant procedures or requirements that can result in product or property damage if instructions are not followed If any portion of this instruction sheet is unclear and assistance is needed contact th...

Страница 4: ...S C Instruction Sheet is a permanent part of your S C Equipment G 3733R2 C NOTICE Auxiliary switch cams are individually adjustable Check the auxiliary switch cams G 4746R2 D NOTICE This contactor or...

Страница 5: ...unless directed by S C Electric Company 6 ENERGIZED COMPONENTS Always consider all parts of the circuit switcher live until de energized tested and grounded Voltage levels can be as high as the peak l...

Страница 6: ...uit switcher pole units If the Mark V Circuit Switcher has had a Type CS 1A Switch Operator specified for the installation the operator drawings will be included in the main drawing envelope Study the...

Страница 7: ...3123R2 Mark V Circuit Switcher with shunt trip device Integer 34 5 kV thru 69 kV Vertical Break 34 5 kV thru 161 kV Center Break 230 and 345 kV 3 gaps 48 Vdc 21 500 21 500 80 38846R5 AHP CDR 3183 125...

Страница 8: ...Vertical shaft Clamp bolts Piercing set screws Flexible coupling Circuit switcher position indicator Switch operator output shaft Pushbutton protec tive cover Alignment arrow Manual operating handle...

Страница 9: ...r contactor opening Motor contactor closing Conduit entrance plate Extra auxiliary switch 8 PST catalog number suffix W 12 PST version catalog number suffix Z is similar Motor circuit fuseholder Duple...

Страница 10: ...coupling STEP 4 Make sure the cutting tips of the piercing set screws do not protrude through the body of the flexible coupling on the switch operator output shaft and the flexible coupling attached...

Страница 11: ...be made at this time STEP 3 Replace the conduit entrance plate and assemble the entrance fittings Apply sealing compound provided with each switch operator when replacing the conduit entrance plate V...

Страница 12: ...pen position Manual closing of the circuit switcher may cause arcing equipment damage and personal injury STEP 1 Pull the latch knob on the hub of the manual operating handle and pivot the handle forw...

Страница 13: ...the Storage position Note The manual operating handle may be disengaged from the switch operator mechanism at any position of the handle However if the switch operator and circuit switcher are anywhe...

Страница 14: ...lector handle is in the Decoupled position the shunt trip device when this option is provided is rendered inoperative Moreover in the Decoupled position the switch opera tor s output shaft is prevente...

Страница 15: ...window will show when the approximate Open or Closed position has been attained The position indi cator for the circuit switcher located on the output shaft collar of the switch operator will be alig...

Страница 16: ...indicators on the output shaft collar of the switch operator with the alignment arrow See Figure 9 STEP 3 Check the drive shaft crank of each pole unit of the circuit switcher to determine it is in a...

Страница 17: ...der to avoid acciden tal or remote energization of the control circuit Interchange the S1 and S2 motor leads connected to terminals 4 and 5 on the terminal block in the switch operator enclosure Note...

Страница 18: ...wise to Open Counterclockwise to Open Clockwise to Close Counterclockwise to Close Vertical break and center break 1 5 5 5 5 2 6 4 5 5 3 7 3 5 5 Integer 1 4 6 5 5 Handwheel Handwheel Adjusting the ope...

Страница 19: ...ing stroke travel limit disc approximately 3 16 of an inch 5 mm and rotate the disc until the arrow on its outer ring is in line with the number on the indicator plate as specified in Table 1 Lower th...

Страница 20: ...e amount of unwind move the opening stroke travel limit disc to increase travel one indicator plate number at a time See Figure 11 on page 21 Note The direction of disc rotation is always the same as...

Страница 21: ...wise to open Closing stroke travel limit disc With the circuit switcher and switch operator in the fully Closed position lower and turn clockwise to increase travel of switch operator Opening stroke t...

Страница 22: ...er the switch operator travel limit discs have been adjusted Check the auxiliary switch contacts for both Open and Closed positions of the switch operator To adjust the auxiliary switch contacts refer...

Страница 23: ...pped with an extra auxiliary switch coupled to the circuit switcher The suffix W auxiliary switch consists of eight contacts terminals 35 through 50 The suffix Z auxiliary switch consists of 12 contac...

Страница 24: ...r suffix Q Switch operator in the fully Open position Switch operator in the fully Closed position Opening stroke travel limit disc Closing stroke travel limit disc Travel limit switch a1 contacts clo...

Страница 25: ...suffix W Circuit switcher in the fully Open position Circuit switcher in the fully Closed position a2 contacts open b2 contacts closed b2 contacts closed a2 contacts open Extra auxiliary switch 12 PST...

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