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Series NRX PT module installation and 
operation 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:

UL1066/ANSI, UL489 series NRX NF frame 
IEC IZMX16

Effective July 2016
Supersedes February 2012

Series NRX

Instruction Leaflet

 

IL01301074E

UL489 series NRX RF frame  
IEC IZMX40

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