2
Instruction Leaflet
IL012052EN
Effective November 2014
Instructions for Drilling and Assembling High Performance Flex
Shaft™ and Dual Flex Shaft™ Handle Mechanism for F-Frame,
Series C Circuit Breakers, Molded Case Switches, and HMCPs
EATON
www.eaton.com
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WARNING
DO NOT ATTEMPT TO INSTALL OR PERFORM MAINTENANCE ON
EQUIPMENT WHILE IT IS ENERGIZED. DEATH, SEVERE PERSONAL INJURY,
OR SUBSTANTIAL PROPERTY DAMAGE CAN RESULT FROM CONTACT WITH
ENERGIZED EQUIPMENT. ALWAYS VERIFY THAT NO VOLTAGE IS PRESENT
BEFORE PROCEEDING WITH THE TASK AND ALWAYS FOLLOW GENERALLY
ACCEPTED SAFETY PROCEDURES. EATON IS NOT LIABLE FOR THE
MISAPPLICATION OR MISINSTALLATION OF ITS PRODUCTS.
The User is cautioned to observe all recommendations,warnings, and
cautions relating to the safety of personnel and equipment as well as
all general and local health and safety laws, codes, and procedures.
The recommendations and information contained herein are based on
Eaton experience and judgment, but should not be considered to be
all-inclusive or covering every application or circumstance which may
arise. If any questions arise, contact Eaton for further information or
instructions.
1. General Information
The High Performance Flex Shaft handle mechanism provides a
means of externally operating the circuit breaker and can be applied
to enclosures of varying heights and depths. The handle can be used
with NEMA 1, 3R, 12, and 4/4X enclosure applications, depending on
the accessory components selected. An operating handle, flexible
shaft, and mechanism are required for standard application. Eight
lengths of shafts are available for use with the wide range of depths
of various enclosures (3 through 10 ft [0.91 through 3.05 m]). When
selecting the length of the Flexible Shaft, ensure minimum bending
radius of 4 in. (101.60 mm) is maintained to operate properly. The
standard method of shipment includes the mechanism preset at
the factory. If minor field adjustments are required, see Figure 3
or Figure 8. For this publication, the term circuit breaker shall also
include the molded case switch and Series C motor circuit protector
(HMCP).
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WARNING
WHEN INSTALLING A NEW HANDLE MECHANISM, OR A NEW CIRCUIT
BREAKER AND HANDLE MECHANISM IN AN EXISTING ELECTRICAL
SYSTEM, MAKE SURE THERE IS NO VOLTAGE PRESENT WHERE WORK IS
TO BE PERFORMED. SPECIAL ATTENTION SHOULD BE PAID TO REVERSE
FEED APPLICATIONS TO ENSURE NO VOLTAGE IS PRESENT. THE VOLTAGE
IN ENERGIZED, EQUIPMENT CAN CAUSE DEATH OR SEVERE PERSONAL
INJURY.
Figure 1. Securing the Actuator Mechanism to the Breaker and Toggle Mechanism and the Handle to the Flange.
F-DUAL FRAME
ASSEMBLY
STAND-OFF
(4 PLACES)
ACTUATOR
MECHANISM
#8-32 SCREW
.500 (4 PLACES)
#8-32 SCREW
.500 (4 PLACES)
#8-32 LOCK WASHER
(8 PLACES)
BELL CRANK
TOGGLE MECHANISM
ASSEMBLY
THESE ITEMS ARE TO BE
ASSEMBLED AFTER HANDLE
IS MOUNTED TO ENCLOSURE.
OUTER HANDLE MECH
MOUTNING SCREWS,
1/4-20 x .875 HEX
(2 PLACES)
1/4 LOCK WASHERS
(2 PLACES)
ENCLOSURE
OUTER
HANDLE
MECHANISM
F-FRAME
ASSEMBLY
STAND-OFF
(4 PLACES)
ACTUATOR
MECHANISM
#8-32 LOCK WASHER
(8 PLACES)
#8-32 LOCK WASHER
(8 PLACES)
#8-32 SCREW
.500 (4 PLACES)
