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TYPE EC-1V 

 

 

Aluminum  

Center Break Vee 

Disconnect Switch 

 

 

ALL Ratings 

 

 

 

 

 

 

 

 

INSTRUCTION 

INSTALLATION & 

MANUAL 

 

Summary of Contents for EC-1V

Page 1: ...TYPE EC 1V Aluminum Center Break Vee Disconnect Switch ALL Ratings INSTRUCTION INSTALLATION MANUAL ...

Page 2: ...Page I The Quality Name in High Voltage Switching THIS PAGE LEFT INTENTIONALLY BLANK ...

Page 3: ...sons present to develop and implement a proper rigging lifting and installation plan along with all safety precautions required to insure safe and proper lifting and installation of the equipment to distinguish between energized and non energized parts to determine proper approach distances to energized parts to properly work with and around energized or de energized equipment that may be pressuri...

Page 4: ...d and inspected as provided by this instruction manual and in compliance with best industry practices but in no event will the Equipment be inspected and tested less frequently than once in every 6 months The Purchaser shall not repair dismantle or alter any of the Equipment without Southern States written consent Any failure of Equipment either in service testing or inspection will be promptly re...

Page 5: ...this manner will constitute the Warranty Holder s exclusive remedy and fulfillment of all SSLLC s liabilities and responsibilities hereunder SSLLC s duty to perform under this limited warranty may be delayed at SSLLC s sole option until SSLLC has been paid in full for all products purchased by the Warranty Holder No such delay will extend the Warranty Period If SSLLC does not make such repair or r...

Page 6: ...Page V The Quality Name in High Voltage Switching THIS PAGE LEFT INTENTIONALLY BLANK ...

Page 7: ...Page VI The Quality Name in High Voltage Switching Type EC 1V Aluminum Center Break Disconnect Switch All Ratings ...

Page 8: ...ocedures 7 Recommended Tools Values 7 General Information Mandatory Pre Installation Requirements 7 Preferred Switch Assembly Method 8 Installation of the EC 1V When Shipped Unassembled 10 Contact Misalignments 13 Insulator Preload 15 Operating Mechanism 16 Final Switch Adjustments Tuning 18 Changing Disconnect Opening Direction 22 Recommended Inspection Maintenance 24 Patrolling Inspection 6 Mont...

Page 9: ...Attach Arcing Horns as Shown 9 Figure 4 Insulator Bearing Components 10 Figure 5 Jack Screws 12 Figure 6 Proper Contact Alignment 13 Figure 7 Misalignment A 13 Figure 8 Misalignment B 13 Figure 9 Misalignment C 14 Figure 10 Misalignment D 14 Figure 11 Misalignment E 14 Figure 12 Preload Insulators 15 Figure 13 Typical Operating Mechanism 16 Figure 14 Typical Operating Arrangement 17 Figure 15 Type...

Page 10: ...Page 1 of 25 Summary Introduction THIS PAGE LEFT INTENTIONALLY BLANK ...

Page 11: ...latter shall take precedence Summary These instructions do not intend to cover all details or variations in equipment or provide for every possible contingency to be met in connection with installation operation or maintenance Should information be desired or should particular problems arise which are not covered sufficiently for the purchaser s purposes the matter should be referred to the local ...

Page 12: ... the EC 1V switch It is not possible to cover all details equipment variations and potential conditions Contact Southern States LLC in the event conditions associated with a specific application are not sufficiently addressed All photographs and sketches in this manual are for illustration purposes only and may not be to scale Refer to the Unit Assembly drawing or the Operating Mechanism drawing p...

Page 13: ...V 72 5 123 145 170 245 BIL kV 350 550 650 75 900 Rated Power Frequency 60 Hz Continuous Current 1200 A 2000 A 3000 A 3000 A 5000 A Short Time Symmetrical Withstand 3 Sec 38 kA RMS 63 kA RMS 80 kA RMS Peak Withstand 99 kA 164 kA 208 kA Ambient Temperature Rating 40 C to 50 C Standard 50 C Optional ...

Page 14: ...unting the live parts A to the insulatos Mounting the switch base B to the structure Refer to the Operating Mechanism Drawings for structure and mounting details Installing operating mechanism components Final adjustment or tuning Refer to Final Switch Adjustments Tuning page 18 Figure 1 Typical EC 1V Switch Pole Assembled Common Terminology 123kV 1200 amp shown A Live Parts B Switch Base C Bearin...

Page 15: ...h are suitable for outdoor use and do not have any special storage requirements Keep bearings out of standing water Keep upright and support live parts with base If a motor operator is furnished be sure to connect the heater circuit using the provided external wiring while the unit is in storage Discard the wiring upon installation Typical crating is intended for storage less than 1 year If long t...

Page 16: ...tches in this manual are for illustration purposes only and may not be to scale Refer to the Unit Assembly drawing or the Operating Mechanism drawing provided with each disconnect switch for specific details on switch opening direction and handle location s During installation it may be necessary to make adjustments other than those described in this manual Contact your local representative or the...

Page 17: ...ght line with the bearing stops touching Figure 2 These stops can be adjusted if necessary 5 After mounting the switch shimming the base or other minor adjustments may be necessary 6 Using main sling attachment to the switch base only and auxiliary sling attachment to keep the switch upright mount the switches on the structure as shown on the plan view of the operating mechanism drawing Be sure to...

Page 18: ... section 9 If arcing horns are used refer to Figure 3 and the unit assembly drawing for installation Arcing horns should rub against the male contact with enough pressure to maintain contact but not so hard as to cause binding The horns can be bent if necessary to achieve proper contact Figure 3 Attach Arcing Horns as Shown A Male Contact B Blade Stop ...

Page 19: ...nstable To prevent possible personal injury or equipment damage select an assembly surface that will prevent overturn in both planes end to end and side to side 3 Refer to the unit assembly drawing Check jack screw dimensions for proper height Be certain that all four jack screws on each bearing are set correctly Tighten jam nuts securely 4 To install insulators refer to the unit assembly drawing ...

Page 20: ...k as a single unit 6 Rotate insulator with switch arm clockwise facing down against the stop and attach intrapole linkage Be sure length of this linkage is properly set to dimension shown on drawing 7 Depending upon its application this type switch will be counterbalanced either by weight or by spring Refer to unit assembly drawing and attach appropriate number of weights or the spring to the coun...

Page 21: ...pairs and equally For example to tilt the insulator in the direction of the arrow loosen both nuts B and both nuts C equally until the desired insulator position is reached Then tighten both nuts A and both nuts D to lock the position To tilt the insulator in the opposite direction loosen both nuts A and both nuts D Tighten both nuts B and both nuts C equally until the insulator reaches the desire...

Page 22: ...d Assembly Note Due to probable insulator stack deflection caused by conductor loads the following adjustments will be pointless until the conductors are attached to both ends of the switch IMPORTANT When adjusting jack screws adjust each pair of jack screws equally count the flats This is to ensure the insulators will move along the centerline of the base in a straight line See Figure 5 Figure 7 ...

Page 23: ...ators toward each other one at a time and in equal increments until stop plug is centered on the stirrup Figure 10 Misalignment D C Misalignment D The stirrup striking the trailing edge of the female contact is the result of the intrapole linkage being too short Lengthen this linkage as required for smooth closing without interference or dragging Figure 11 Misalignment E D Misalignment E The stirr...

Page 24: ...uts and subtract one flat on both inside nuts Figure 12 This is done on both bearings To add turn the nuts clockwise facing down To subtract turn the nuts counter clockwise Figure 12 Preload Insulators 2 Field Assembly If arcing horns are used refer to the unit assembly drawing and Figure 3 and bolt on this equipment 3 Field Assembly Install operating mechanism components as directed on the follow...

Page 25: ...m reach rod and other necessary components Refer to Figure 13 4 While installing the pipes and clevises that have piercing bolts set screws do not pierce the pipe until instructed Tighten the piercing bolts such that they grip the pipe until all adjustments are made The pipe collar above the vertical bearing must support the entire weight of the vertical operating pipe To prevent unnecessary compo...

Page 26: ...ark all clevis connections the adjustable arm and the switch operating devices coupling so that any slippage occurring during trial operations can be readily detected Refer to Figure 14 Figure 14 Typical Operating Arrangement Vertical Bearing Pipe Adjustable Arm Vertical Pipe Set Match Match mark ...

Page 27: ...rive phase is properly adjusted connect the interphase pipe and continue tuning the other two phases Care should be taken to ensure that the operating mechanism only exerts enough force to toggle the blade tip perpendicular to the jaw contacts Excess downward force on the blade could result in damage to the switch that will render it inoperable 2 Switch Operating Devices 2 1 Worm gear operator HOG...

Page 28: ...operator 2 3 1 Adjust stops on handle mount after adjusting switch 2 3 2 When the switch is properly adjusted the handle should hang vertically and free in both the open and closed positions to permit the use of a customer supplied padlock 2 4 Electrical motor operator 2 4 1 Please refer to motor operator instruction manual for proper installation and setup 2 4 2 Use manual operation while complet...

Page 29: ... with the operator The switch is in the fully open position when both blades are approximately 90o to the switch base 4 3 If the switch does not fully open before the operator reaches the fully open position the adjustable arm radius is too short Close the switch match mark the adjustable arm and the pipe clevis and loosen the bolts on the adjustable arm and pipe clevis Lengthen the adjustable rad...

Page 30: ...enterline of the vertical operating pipe The operating linkage will almost seem to snap past this point 4 7 2 If possible the switch should go into toggle in both the open and closed positions This is not always possible it is most important that the switch goes into toggle in the closed position because this will help to prevent the disconnect switch from trying to open during a fault condition 4...

Page 31: ...nally from its original location This is the best option as it allows for the original setup to be maintained 1 0 2 Maintain the operator on the same side of the structure Assemble the components using the alternate position arrangement shown on the operating mechanism drawing NOTE on 4 Column structures the operator will be on the same side of the structure but it MUST move to the opposite end of...

Page 32: ...2 If the insulators have not been installed unbolt the live parts from the switch bearings and flip the paddle arms on each bearing along the long axis of the switch base Reinstall all items as described in Error Reference source not found 3 1 3 If the insulators have been installed unbolt the male and female blades from the insulator Unbolt the insulators from the switch bearings and flip the pad...

Page 33: ...ces on the switches which can be eliminated during normal switch maintenance Table 3 Recommended Installation and Maintenance Table Installation Tests Patrolling Inspection 6 months Routine 5 Year Periodic 10 Year Insulators Contamination X X X X Damage X X X X Cabinet if motor operator supplied Any loose parts on the floor of the cabinet X X X X Wiring Secure X X X X Links Secure X X X X Inspect ...

Page 34: ...ase during any operation or maintenance cycle as exposed surfaces such as contacts are vulnerable to environmental conditions and contaminants that can decrease the effectiveness of the grease over time During reapplication clean and wipe down the contact surfaces with a green Scotchbrite pad reapply C5 A grease and remove any excess grease until an evenly coated thin film is present Inspect arcin...

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Page 36: ... Georgia Avenue Hampton Georgia 30228 Phone 770 946 4562 Fax 770 946 8106 E mail support southernstatesllc com http www southernstatesllc com 2021 Southern States LLC IB 136 EC1V R7 02182021 Printed U S A ...

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