Eaton NRX Serie Montageanweisungen

Instructional Leaflet
Installation/removal instructions for
Series NRX (IZMX/IZM91) operation
counter
 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.
 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.
IL01301011E
Effective September 2010
Supersedes June 2010
IL01301011EH03
Section 1: General information
The optional operation counter is a mechanical device used to
provide a record of the number of circuit operations. It can be
viewed through the breaker's front cover (Figure 1).
An operation counter kit is comprised of the counter assem-
bly and a mounting screw. The counter assembly consists
of the following:
Counter with mounting screw
•
(M3 x 0.5–5 mm long) (Figure 2)
Counter lever, screw (M2 x 0.4–8 mm long) and hex nut
•
(M2 x 0.4) (Figure 3)
Figure 1. Installed Operation Counter Shown