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Series NRX drawout and breaker 

three-way cable interlock installation 

and removal instructions

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 WARNING

(1) ONLY QUALIFIED ELECTRICAL PERSONNEL SHOULD BE PERMITTED TO WORK 

ON THE EQUIPMENT.  

(2) ALWAYS DE-ENERGIZE PRIMARY AND SECONDARY CIRCUITS IF A CIRCUIT 

BREAKER CANNOT BE REMOVED TO A SAFE WORK LOCATION. 

(3) DRAWOUT CIRCUIT BREAKERS SHOULD BE LEVERED (RACKED) OUT TO THE 

DISCONNECT POSITION. 

(4) ALL CIRCUIT BREAKERS SHOULD BE SWITCHED TO THE OFF POSITION AND 

MECHANISM SPRINGS DISCHARGED.  

FAILURE TO FOLLOW THESE STEPS FOR ALL PROCEDURES DESCRIBED IN THIS 

INSTRUCTION LEAFLET COULD RESULT IN DEATH, BODILY INJURY, OR PROPERTY 

DAMAGE.

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 WARNING

THE INSTRUCTIONS CONTAINED IN THIS IL AND ON PRODUCT LABELS HAVE TO 

BE FOLLOWED. OBSERVE THE FIVE SAFETY RULES: 

– DISCONNECTING 

–  ENSURE THAT DEVICES CANNOT BE ACCIDENTALLY RESTARTED 

–   VERIFY ISOLATION FROM THE SUPPLY 

–   EARTHING AND SHORT-CIRCUITING 

–   COVERING OR PROVIDING BARRIERS TO 

  ADJACENT LIVE PARTS 

DISCONNECT THE EQUIPMENT FROM THE SUPPLY.  USE ONLY AUTHORIZED 

SPARE PARTS IN THE REPAIR OF THE EQUIPMENT.  THE SPECIFIED MAINTENANCE 

INTERVALS AS WELL AS THE INSTRUCTIONS FOR REPAIR AND EXCHANGE MUST 

BE STRICTLY ADHERED TO PREVENT INJURY TO PERSONNEL AND DAMAGE TO 

THE SWITCHBOARD.

Instructions apply to:

UL489 Series NRX RF Frame  
IEC IZMX40

Effective June 2016

Series NRX

Instruction Leaflet

 IL01301060E

Содержание Series NRX

Страница 1: ...FLET COULD RESULT IN DEATH BODILY INJURY OR PROPERTY DAMAGE m WARNING THE INSTRUCTIONS CONTAINED IN THIS IL AND ON PRODUCT LABELS HAVE TO BE FOLLOWED OBSERVE THE FIVE SAFETY RULES DISCONNECTING ENSURE...

Страница 2: ...ion of the breakers and are available in 5 6 8 and 10 foot lengths 1 5 1 8 2 4 and 3 0 m Individual cable kits are ordered separately Required tools 10 mm socket drive socket 11 16 inch open end wrenc...

Страница 3: ...nted as shown Torque to 65 85 in lbs 7 3 9 6 N m Step 4 Install the trip pin A to the trip arm using an M3 x 16 mm flat head screw B Use a wrench to hold the trip lever during installation Torque to 3...

Страница 4: ...E 8 SHOWS THE TYPICAL CABLE ROUTING FOR BOTH TYPES 31 AND 33 INTERLOCKS AND FIGURE 9 SHOWS THE TYPICAL ROUTING FOR TYPE 32 INTERLOCKS THE CABLE MOUNTING ON THE DRIVE SIDE IS THE SAME FOR ALL TYPES MOU...

Страница 5: ...f bulkhead fitting enters slotted hole in cable bracket threads show above bracket 7 Bring bulkhead washer and nut down to threads and hand tighten 8 Adjust two bulkhead nuts to approximately center b...

Страница 6: ...el fitting Lower nuts Rubber boot Outer bulkhead nut Bulkhead nut Driven end cable bracket Swivel fitting Driven end long rod Lower nuts Driven end cable bracket Figure 15 Step 10 Step 11 This step de...

Страница 7: ...justments on driven long rod end of cable refer to Figure 15 As adjustments are made with the connected breakers in different states of OPEN and CLOSED make certain that gaps between the swivel fittin...

Страница 8: ...mpt 2 CLOSE Breaker C verify Breaker A remains CLOSED Again verify Breaker B will not respond to CLOSE attempt 3 OPEN Breaker A verify Breaker B will not respond to CLOSE attempt 4 OPEN Breaker C all...

Страница 9: ...9 Instruction Leaflet IL01301060E Effective June 2016 Series NRX drawout and breaker three way cable interlock installation and removal instructions EATON www eaton com Notes...

Страница 10: ...riate Eaton selling policies or other contractual agreement between Eaton and the purchaser THERE ARE NO UNDERSTANDINGS AGREEMENTS WARRANTIES EXPRESSED OR IMPLIED INCLUDING WARRANTIES OF FITNESS FOR A...

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