7
Instructional Booklet
IB022010EN
Effective July 2019
Revision #4
Instructions for installation, operation,
and maintenance of medium voltage
VC-W MR2 (integral racking)
EATON
www.eaton.com
Lockout-tagout
With the electrical racking feature MR2 option, there are now
two methods of racking a MV circuit breaker or drawout auxiliary,
requiring a lockout-tagout (LOTO) method for both options . The first
is the standard positional interlock located at the front right of the
breaker pan assembly (see
) or front right of the auxiliary pan
assembly . This lock prohibits an operator from manually inserting a
crank into the Lev-in assembly and manually racking the breaker or
auxiliary device as specified in the switchgear instruction book . Once
a lock option is installed, the (MR2) will be disabled via the LOTO/
padlock permissive switch for the breaker pan assembly (see
) and the auxiliary pan assembly (see
) .
Figure 3. Positional interlock for circuit breaker pan assembly
(5-27 kV).
Refer to equipment instruction booklet for acceptable LOTO options .
Figure 4. LOTO/padlock switch for typical circuit breaker and arc
auxiliary circuit breaker pan assembly.
Figure 5. LOTO/Padlock Switch Arc Auxiliary Pan Assembly.
LOTO/Padlock
Switch
