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MERCURY SWITCH TO MICROSWITCH RETROFIT KIT KA349WE INSTALLATION INSTRUCTIONS

  MN280022EN   October 2015

Product information

Introduction

This manual explains how to replace mercury switches 

with microswitches on Eaton’s Cooper Power™ series 

electronically operated reclosers. It contains instructions for:
1.  Removing mercury switches from switch SW2 and 

SW3 positions.

2.  Removing existing microswitch from the switch SW1 

position and installing it in the switch SW2 position.

3.  Installing new microswitches in the switch SW1 and 

SW3 positions.

Read this manual first

Read and understand the contents of this manual and follow 

all locally approved procedures and safety practices before 

installing or operating this equipment.
These instructions cannot cover all details or variations in 

the equipment, procedures, or process described nor to 

provide directions for meeting every possible contingency 

during installation, operation, or maintenance. For additional 

information, please contact your Eaton representative.

Acceptance and initial inspection

This product is completely assembled, tested, and 

inspected at the factory. It is carefully calibrated, adjusted, 

and in good condition when accepted by the carrier for 

shipment.
Upon receipt, inspect the carton for signs of damage. 

Unpack the kit and inspect it thoroughly for damage incurred 

during shipment. If damage is discovered, file a claim with 

the carrier immediately.

Handling and storage

Be careful during handling and storage of equipment to 

minimize the possibility of damage.

Quality standards

ISO 9001 Certified Quality Management System

Additional information

In addition to this manual, also refer to the appropriate 

maintenance manual for the model of recloser being 

equipped with microswitches.

• 

S280-40-3, Type RE, Three-Phase Maintenance 

Instructions

• 

S280-40-4, Type WE, Three-Phase Maintenance 

instructions

• 

S280-40-5, Types RVE and WVE, Three-Phase 

Maintenance Instructions.

• 

S280-40-6, Types VWE and VWVE Maintenance 

Instructions

• 

S280-40-7 Types RXE and WE Maintenance Instructions

• 

S280-40-8, Types RVE and WVE Maintenance Instructions

IMPORTANT

This is a generic procedure for replacing existing mercury 

switches with microswitches. It pertains to all electronically 

operated reclosers from Eaton equipped with such 

switches. However, some models of reclosers may have 

small parts used only on that particular design. Also, some 

reclosers may employ various shim washers to compensate 

for tolerance variation. If such parts are present, make note 

of them and be sure to reinstall them before returning the 

recloser to service.

Table 1.  Ordering Information

Description

Catalog Number

Mercury Switch to Microswitch 

Retrofit Kit

KA349WE

Summary of Contents for KA349WE

Page 1: ...Mercury switch to microswitch retrofit kit KA349WE installation instructions COOPER POWER SERIES Reclosers MN280022EN Effective October 2015 Supersedes S280 40 10 April 2014...

Page 2: ...FITNESS FOR A PARTICULAR PURPOSE OR MERCHANTABILITY OTHER THAN THOSE SPECIFICALLY SET OUT IN ANY EXISTING CONTRACT BETWEEN THE PARTIES ANY SUCH CONTRACT STATES THE ENTIRE OBLIGATION OF EATON THE CONTE...

Page 3: ...duction 1 Handling and storage 1 Quality standards 1 Additional information 1 INSTALLATION Reposition contact bar 3 Disconnect terminal wires 3 Remove microswitch switch SW1 4 Remove mercury switch SW...

Page 4: ...hen working around high voltage lines and equipment and support our Safety For Life mission Safety information DANGER Hazardous voltage Contact with hazardous voltage will cause death or severe person...

Page 5: ...the carton for signs of damage Unpack the kit and inspect it thoroughly for damage incurred during shipment If damage is discovered file a claim with the carrier immediately Handling and storage Be ca...

Page 6: ...SW1 Main Shaft Grommeted Cable Exit Hole and Terminal Block Rotary Solenoid Plastic Cable Retainer Switch SW2 Handle Shaft Yellow handle manual trip shaft Contact Position Indicator Shaft H Bracket S...

Page 7: ...at points indicated in Figure 2 1 Remove C rings from contact bar retainer pin at trip solenoid end of mechanism and discard 2 Note position of any washers then remove and save them 3 Slide pin aside...

Page 8: ...ordance with all federal state and locally approved mercury disposal guidelines and regulations Figure 6 Removing switch SW3 from main shaft Figure 7 Springs and retaining pins Remove mercury switch S...

Page 9: ...lations 10 Scribe new handle shaft assembly Item 3 to mark orientation of cam and lever to shaft and shaft to frame Carefully remove roll pins cam and lever from new shaft Figure 9 Figure 10 Switch SW...

Page 10: ...itch SW2 4 Place cable over spacer near cable hole then securely tighten assembly to frame Use the two smaller spacers Item 4 machine screws Item 5 and self locking elastic stop nuts Item 6 to attach...

Page 11: ...ing retaining pin through the two large springs spacers and new C rings Item 21 Tighten C rings 4 With H bracket disengaged gently push down on switch SW2 until hearing a click as switch contact encou...

Page 12: ...ave roll pin 7 Slide main shaft aside to gain clearance for removing old microswitch cam Note orientation of cam on shaft Remove and discard cam Install new cam for SW1 1 Slide new switch cam Item 15...

Page 13: ...new cable retainer in the same position used by the old one 5 At the terminal block make the following connections refer to Figures 5 and 27 for terminal identification A Switch SW1 connect leads to...

Page 14: ...2 10 KA30090019 ALUMINUM SPACER 2 11 7215 15 110137A SLOTTED RD HD MACH SCR 10 24 UNC 2A 2 12 KA20200013 ELASTIC STOP NUT SS 10 24 2 13 9011 32 010000A EXTERNAL TOOTH LOCKWASHER 10 PL F 2 14 KA2048050...

Page 15: ...t review its positioning If positioned correctly review switch terminal and terminal block connections If all connections are correct check switch to make sure it actually opens and closes as its arm...

Page 16: ...ited States Eaton com cooperpowerseries 2015 Eaton All Rights Reserved Printed in USA Publication No MN280022EN KA2048 506 Rev 04 Eaton is a registered trademark All trademarks are property of their r...

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