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Eaton 2C12891G21 Installation Instructions Manual

Eaton 2C12891G21 Installation Instructions Manual

Kirk key interlock kit in magnum low-voltage circuit breakers

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Instruction Leaflet IL2C13761H11
Installation instructions for Kirk
Key Interlock Kit (2C12891G21) in
Magnum® low-voltage circuit breakers
(1) ONLY QUALIFIED ELECTRICAL PERSONNEL
SHOULD BE PERMITTED TO WORK ON THE
EQUIPMENT.
(2) DO NOT ATTEMPT TO INSTALL OR PERFORM
MAINTENANCE ON THE EQUIPMENT WHILE
ENERGIZED. ALWAYS VERIFY THAT NO VOLTAGE
IS PRESENT BEFORE PROCEEDING.
(3) ALWAYS DE-ENERGIZE PRIMARY AND
SECONDARY CIRCUITS BEFORE REMOVING
CIRCUIT BREAKER.
FAILURE TO FOLLOW THESE STEPS FOR ALL
PROCEDURES DESCRIBED IN THIS INSTRUCTION
LEAFLET COULD RESULT IN DEATH, BODILY INJURY,
OR PROPERTY DAMAGE.
Effective March 2020
Supersedes January 2015
WARNING
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.

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Summary of Contents for Eaton 2C12891G21

  • Page 1 Effective March 2020 Instruction Leaflet IL2C13761H11 Supersedes January 2015 Installation instructions for Kirk Key Interlock Kit (2C12891G21) in Magnum® low-voltage circuit breakers WARNING WARNING (1) ONLY QUALIFIED ELECTRICAL PERSONNEL THE INSTRUCTIONS CONTAINED IN THIS IL AND ON SHOULD BE PERMITTED TO WORK ON THE PRODUCT LABELS HAVE TO BE FOLLOWED.
  • Page 2: Section 1: General Information

    (M) #5–40 x 0.25 inch machine screw (3) (N) Extension spring (2, 1 spare) (O) D-latch trip lever (NOT ALWAYS NEEDED) (P) E-clip (NOT ALWAYS NEEDED) (Items O and P not always needed) (Q) M3.5 x 10 tapping screw Figure 1. Contents of kit 2C12891G21 EATON www.eaton.com...
  • Page 3: Section 2: Installation Of Key Locks

    Instruction Leaflet IL2C13761H11 Installation instructions for Kirk Key Interlock Kit (2C12891G21) in Effective March 2020 Magnum low-voltage circuit breakers Section 2: Installation of key locks Step 3: Put torsion spring (D) on guide pin (E). Note the orientation of spring legs, and carefully press the knurled end of guide pin into hole in key lock body to the depth of the knurl.
  • Page 4 Instruction Leaflet IL2C13761H11 Installation instructions for Kirk Key Interlock Kit (2C12891G21) in Effective March 2020 Magnum low-voltage circuit breakers Step 5: Mount interlock assembly to rear of key lock with two Step 7: Check that the breaker is “OPEN” and discharged. Using #3-48 x 3/8 inch long flathead screws (K).
  • Page 5 Instruction Leaflet IL2C13761H11 Installation instructions for Kirk Key Interlock Kit (2C12891G21) in Effective March 2020 Magnum low-voltage circuit breakers Step 10: Snap interlock arm assembly (L) into place on shaft, with IMPORTANT steel spring flush against mechanism side plate. FAILURE TO INSTALL EXTENSION SPRING AS SHOWN WILL CAUSE MALFUNCTION OF THIS KIT.
  • Page 6 Instruction Leaflet IL2C13761H11 Installation instructions for Kirk Key Interlock Kit (2C12891G21) in Effective March 2020 Magnum low-voltage circuit breakers Step 12b: Pull the spring through and attach to the mounting plate, Step 13: Insert key and rotate lock and standoff assembly. Connect as shown.
  • Page 7: Disclaimer Of Warranties And Limitation Of Liability

    THIS DOCUMENT SHALL NOT BECOME PART OF OR MODIFY ANY CONTRACT BETWEEN THE PARTIES. 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...
  • Page 8 Instruction Leaflet IL2C13761H11 Installation instructions for Kirk Key Interlock Kit (2C12891G21) in Effective March 2020 Magnum low-voltage circuit breakers Eaton 1000 Eaton Boulevard Cleveland, OH 44122 United States Eaton.com © 2020 Eaton All Rights Reserved Eaton is a registered trademark.