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S&C Instruction Sheet 761-505   

3

Introduction

Warranty

Warranty 

Qualifications

The warranty and/or obligations described in S&C’s Price Sheet 150 “Standard Conditions 
of Sale – Immediate Purchasers in the United States” (or Price Sheet 153, Standard 
Conditions of Sale – Immediate Purchasers Outside the United States) plus any special 
warranty provisions, as set forth in the applicable product-line specifi cation bulletin, 
are exclusive. The remedies provided in the former for breach of these warranties shall 
constitute the immediate purchaser’s or end user’s exclusive remedy and a fulfi llment of 
the seller’s entire liability. In no event shall the seller’s liability to the immediate purchaser 
or end user exceed the price of the specifi c product that gives rise to the immediate 
purchaser’s or end user’s claim. All other warranties, whether express or implied or 
arising by operation of law, course of dealing, usage of trade or otherwise, are excluded. 
The only warranties are those stated in Price Sheet 150 (or Price Sheet 153), and THERE 
ARE NO EXPRESS OR IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS 
FOR A PARTICULAR PURPOSE. ANY EXPRESS WARRANTY OR OTHER OBLIGATION 
PROVIDED IN PRICE SHEET 150 (OR PRICE SHEET 153) IS GRANTED ONLY TO THE 
IMMEDIATE PURCHASER AND END USER, AS DEFINED THEREIN. OTHER THAN AN 
END USER, NO REMOTE PURCHASER MAY RELY ON ANY AFFIRMATION OF FACT OR 
PROMISE THAT RELATES TO THE GOODS DESCRIBED HEREIN, ANY DESCRIPTION 
THAT RELATES TO THE GOODS, OR ANY REMEDIAL PROMISE INCLUDED IN PRICE 
SHEET 150 (or PRICE SHEET 153.)

The standard warranty is applicable to the S&C Alduti-Rupter Switch detailed in this 
instruction sheet except when it is power operated using a switch operator of other than 
S&C manufacture.

Figure 1. Switch nameplates with ratings.

Nameplate on operating handle

Nameplate on switch base

In most applications, Alduti-Rupter Switches are capable of switching rated continuous 
load currents at full voltage. The ratings for the particular switch are listed on nameplates 
attached to the operating handle and the switch. See Figure 1.

These interrupter switches are 

not

 intended for breaking fault currents.

Содержание Alduti-Rupter

Страница 1: ...s 2 Read this Instruction Sheet 2 Retain this Instruction Sheet 2 Proper Application 2 Warranty 3 Warranty Qualifications 3 Safety Information Understanding Safety Alert Messages 4 Following Safety In...

Страница 2: ...or such qualified persons They are not intended to be a substitute for adequate training and experience in safety procedures for this type of equipment Read this Instruction Sheet NOTICE Thoroughly an...

Страница 3: ...are those stated in Price Sheet 150 or Price Sheet 153 and THERE ARE NO EXPRESS OR IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ANY EXPRESS WARRANTY OR OTHER OBLIGATION PR...

Страница 4: ...ecautions are not followed NOTICE NOTICE identifies important procedures or requirements that can result in product or property damage if instructions are not followed Following Safety Instructions If...

Страница 5: ...age Description Part Number A DANGER Electrocution Hazard G 6580 1 B WARNING Piercing Set Screws G 3176R1 C WARNING Handle Operation G 4400R5 D WARNING Electrocution Hazard Grounding Strap G 6596 This...

Страница 6: ...lothing in accordance with safe operating procedures and rules 4 SAFETY LABELS AND TAGS Do not remove or obscure any of the DANGER WARNING CAUTION or NOTICE labels Remove tags ONLY if instructed to do...

Страница 7: ...sections and one tubular fiberglass insulating section in the vertical operat ing shaft S4 Insulated interphase sections and one Cypoxy Insulator unit in the vertical operating shaft S6 Key interlock...

Страница 8: ...lly Closed position during installation of the interphase and vertical operating pipe sections S C recommends tying the switch blades to their jaw contacts with wire or a cable tie WARNING DO NOT lift...

Страница 9: ...tch poles and bell crank base s or bracket s from their crates and arrange them on the ground in the same order in which they will be mounted on the pole or structure Protect the bearings from contami...

Страница 10: ...g on the live parts Avoid allowing the switch poles to swing while lifting Lifting the switch by the live parts will damage the switch Rough handling may cause damage to the blades and contacts Failur...

Страница 11: ...ndue strain on the insulators and throwing the blades out of alignment resulting in difficulties operating the switch Use shims as required STEP 6 Lift or hoist the bell crank assembly including baseo...

Страница 12: ...ert the operating pipe section into the coupling and finger tighten the clamp bolt s 3 Adjust the operating pipe to the correct length Then tighten the clamp bolt s to final tightness 4 Tighten the pi...

Страница 13: ...nk is mounted outboard of the switch poles Install the pipe section connecting the driven arm of the bell crank to the nearest switch pole See Figure 12 If two bell cranks are used in a double offset...

Страница 14: ...ipe sections furnished is threaded at one end to accommodate the operating handle assembly See Figure 13 Install this section of pipe last with the threads at the lower end If only one vertical operat...

Страница 15: ...guide arm pointing upward at a 45 degree angle See Figure 15 A positioning stud is furnished that holds the rod guide at 45 degrees Follow the directions in Installing Pipe Couplings with Piercing Set...

Страница 16: ...es an S C Type AS 10 Switch Opera tor as signified by the addition of the standard minor modifica tion suffix S8 or S9 to the erection drawing number for 34 5 kV and 46 kV switches refer instead to S...

Страница 17: ...TEP 17 Fasten the free end of the grounding strap to the lowest vertical operating pipe section a few inches above the operating handle assembly with the U bolt connector provided for this purpose See...

Страница 18: ...shipping CAUTION The switch should be opened and closed slowly only when checking for alignment and complete closure When opening or closing the switch in service do not slow down or stop part way Ar...

Страница 19: ...oosen the clamp bolt on the low est rod guide or bell crank coupling and move the handle to a position less than 20 degrees from the Closed position Then torque the clamp bolt on the lowest rod guide...

Страница 20: ...n the locking disc on the operat ing handle See Figure 23 STEP 22 Block one of the two slots in the locking disc with the blocking screw provided The slot to be blocked depends on whether a locked ope...

Страница 21: ...sm should lie against its closed stop See Figure 26 c If none of the switch poles are fully closed the effective length of the vertical operating pipe may need to be increased Loosen the vertical oper...

Страница 22: ...poles are fully closed readjust the take up screw s on the adjustable pipe coupling s at the switch pole to increase or decrease the effective length s of the interphase operating pipe s See Figure 2...

Страница 23: ...Shorten ing the adjustable lever arm increases switch blade travel Then readjust for full operating handle travel as described on page 18 f Repeat this procedure shortening the adjustableleverarmofthe...

Страница 24: ...igure 31 NOTICE After readjusting be sure to retighten the locknut on each adjustable pipe coupling take up screw the clamp bolt and piercing set screw on the pipe coupling at the rod guide or bell cr...

Страница 25: ...assembly in the fully Closed position verify the minimum clearance between each blade shunt contact and its respective interrupter housing See Figure 33 The shunt contacts may be bent as required to...

Страница 26: ...ve engagement with their respective interrupter opening levers as shown in Figure 35 Simultaneity is essential to ensure both interrupters share the interrupting duty The opening lever on one or both...

Страница 27: ...tings to the stationary insulators See Figure 37 Shift the terminal base castings as required Tighten the terminal base casting cap screws and recheck for conformance to the conditions outlined above...

Страница 28: ...aluminum alloy body connectors the following procedures should be used a Thoroughly wire brush the current transfer surfaces of each connector and immediately apply a liberal coating of Penetrox A av...

Страница 29: ...king fault currents STEP 26 Remove the padlock from the locking bar on the operating handle assembly Withdraw the locking bar See Figure 39 a If the operating handle assembly is furnished withakeyinte...

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