Eaton NRX Series Installation Instructions Manual
Eaton NRX Series Installation Instructions Manual

Eaton NRX Series Installation Instructions Manual

Rf drawout open/close door interlock
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Instruction Leaflet
Series NRX type RF drawout open/close
door interlock installation instructions
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
– 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.
IL0131129EN
 WARNING
 WARNING
Effective October 2016
Series NRX

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Summary of Contents for Eaton NRX Series

  • Page 1 Instruction Leaflet IL0131129EN Effective October 2016 Series NRX Series NRX type RF drawout open/close door interlock installation instructions 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: Section 1: General Information

    (M) Door latch (1) (N) M5 x 12 mm mounting screw (2, not shown) (O) M5 lock washer (1, not shown) (P) M5 flat washer (1, not shown) (Q) Tube of grease (1, not shown) Figure 1. Contents of kit. EATON www.eaton.com...
  • Page 3: Section 2: Installation Of Door Interlock

    Once the window is removed, use a small file to remove any burrs that remain. Make certain that all pieces and/or particles are Align as shown cleaned up and removed before proceeding. Remove drive arm window Figure 5. Section 2, Step 6. Figure 3. Section 2, Step 3. EATON www.eaton.com...
  • Page 4 Place the over-travel spring (K) on the rod below the swivel and secure with an e-ring (J) in the lower slot. Figure 8. Section 2, Step 9 and 10. Figure 7. Section 2, Step 8. EATON www.eaton.com...
  • Page 5: Section 3: Installation Of The Latch

    Figure 13. Install the M5 screw (O) and washers (P ,Q) from the outside of the door. Torque the mounting screw to 35 in-lbs (4 N Front of switchgear door • Figure 10. Section 3, Step 3. EATON www.eaton.com...
  • Page 6: Section 4: Functional Tests Of The Interlock Assembly

    If breaker does not exhibit the expected behavior, review the installation instructions. After review, if the breaker still does not function as expected, consult Eaton for additional instructions. To reach an Eaton Care representative, call (877) 386-2273. Step 1e: Return the breaker to the cassette, which should be installed in the switchgear, and rack breaker to the CONNECT position.
  • Page 7: Section 5: Emergency Access

    The breaker contacts will open automatically when door is opened. Emergency access screw Figure 15. Section 5, Step 1. Step 2e: To replace the latch, rotate it up (as shown in Figure 9) and reinstall the screw that was removed in Step 1 of this section. EATON www.eaton.com...
  • Page 8 OF DEALING OR USAGE OF TRADE, ARE MADE REGARDING THE INFORMATION, RECOMMENDATIONS, AND DESCRIPTIONS CONTAINED HEREIN. In no event will Eaton be responsible to the purchaser or user in contract, in tort (including negligence), strict liability or otherwise for any special, indirect, incidental or consequential damage or loss...

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