Eaton NRX Series Instruction Leaflet

Instructional Leaflet
Installation/Removal Instructions
for Series NRX Drawout Secondary
Terminal Block Alignment Bracket
Instructions apply to:
Strits NRX, Typt NF Framt
ANSI, UL1066, UL489/IEC, IZMX16, IZM91
1600 NRX SUB-TITLE IMAGE (12/15/2010)
(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.
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.
IL0131065EN
WARNING
WARNING
Effective June 2014
IL0131065ENH01
Strits NRX, Typt RF Framt
IEC, IZMX40
4000 NRX RF DRAWOUT SUBTITLE IMAGE (12/15/2010)
Section 1: Removal and Installation
And Removal of Drawout Terminal Block
Alignment Bracket
KEEP IN MIND THAT SECONDARY TERMINAL BLOCKS ASSOCIATED
WITH DRAWOUT CIRCUIT BREAKERS ARE DIN RAIL MOUNTED ON
THE BREAKER'S DRAWOUT CASSETTE (FIGURE 11). ACCESSORY
SECONDARY PLUGS PLUG INTO A SECONDARY PLUG HOUSING
MOUNTED ON THE TOP FRONT OF THE CIRCUIT BREAKER (FIGURE 12).
AS SUCH, SECONDARY CONNECTIONS ARE AUTOMATICALLY MADE
OR DISCONNECTED DURING THE LEVERING (RACKING) PROCESS AS
THE SECONDARY PLUG HOUSING ON THE BREAKER ENGAGES OR
DISENGAGES THE SECONDARY TERMINAL BLOCKS MOUNTED ON THE
DRAWOUT CASSETTE. FOR THIS REASON, ACCESSORY SECONDARY
PLUGS DO NOT HAVE TO BE UNPLUGGED TO ADD OR REMOVE
TERMINAL BLOCKS. REFER TO FIGURES 3 AND 4 OF SECTION 1 AND
THE ASSOCIATED COPY FOR ASSISTANCE WITH CONNECTING OR
DISCONNECTING ACCESSORY SECONDARY PLUGS.
N Note: Many illustrations use the NF Frame cassette for
illustrative purposes only. The RF Frame cassette is handled in
a similar fashion.
Figurt 1. Casstoot-MNunotd Ttrminal BlNcks NF Framt
IMPORTANT