Eaton NRX Series Instruction Leaflet

Eaton NRX Series Instruction Leaflet

Neutral current sensor type rf with pxr
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Instruction Leaflet
Series NRX with PXR - Instructions for
Neutral Current Sensor – Type RF
Instructions apply to:
UL489 series NRX RF frame
IEC IZMX40
(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; AND
– 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.
IL0131094EN
 WARNING
 WARNING
Effective March 2017
Supersedes March 2016
Series NRX

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Summary of Contents for Eaton NRX Series

  • Page 1 Effective March 2017 Instruction Leaflet IL0131094EN Supersedes March 2016 Series NRX Series NRX with PXR - Instructions for Neutral Current Sensor – Type RF Instructions apply to: UL489 series NRX RF frame IEC IZMX40  WARNING (1) ONLY QUALIFIED ELECTRICAL PERSONNEL SHOULD BE PERMITTED TO WORK ON THE EQUIPMENT.
  • Page 2 8X ( .463 -.417) (11.76-10.6) (3.937) [100] 3X (.984) [24,99] [12,5] (1.063) (1.574 ) “T” [27] [39,98] (2.637 ) [66,98] 70C1718G11 70C1718G12 (3.700 ) “T” 0.787 0.750 [93,98] All dimensions in inch (mm). [20] [19] Figure 1. Dimensions. EATON www.eaton.com...
  • Page 3 ON POWER SYSTEMS. ALWAYS TURN OFF POWER SUPPLYING CIRCUIT current of 125% of the ground fault pick-up setting through one phase BREAKER BEFORE CONDUCTING TESTS. TEST OUT OF THE CELL, IF of the circuit breaker as displayed in Figure 4. This should cause the POSSIBLE. EATON www.eaton.com...
  • Page 4 Resistor (if required) Resistor (if required) Figure 4. Connections for Ground Fault Figure 5. Connections for Ground Fault Figure 6. Connections for Ground Fault Trip Test. No-Trip Test with a 4-Wire System. No-Trip Test with a 3-Wire System. EATON www.eaton.com...
  • Page 5 Series NRX with PXR - Instructions for Neutral Instruction Leaflet IL0131094EN Current Sensor – Type RF Effective March 2017 Notese: EATON www.eaton.com...
  • Page 6 Current Sensor – Type RF Effective March 2017 Disclaimer of warranties and limitation of liability In no event will Eaton be responsible to the purchaser or user in The information, recommendations, descriptions, and safety contract, in tort (including negligence), strict liability, or otherwise notations in this document are based on Eaton Corporation’s...

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