Mechanical Accessories - Eaton Magnum Air MWN-408 User Manual

Magnum
3.8.3

Mechanical accessories

There are eleven optional mechanical type accessories:
•
Operations Counter
•
Off Key Lock
•
Cassette Lock
•
Pushbutton Cover
•
Prevent Close Cover
•
Cassette Safety Shutters
•
Cassette Cell Switch
•
Door Escutcheon
•
Waterproof Cover
•
Mechanical Interlock
•
Mechanical (Pop-out) Trip Indicator
Operations Counter - The operations counter is a
mechanical device used to provide a record of the
number of circuit breaker open-close operations. It is
mounted in the lower right portion of the circuit breaker
and can be viewed through the front cover (Figure 3-41).
Off Key Lock - The off key lock secures the circuit
breaker in the "OFF" position. It is mounted in the
lower right portion of the circuit breaker and can be
viewed through the front cover (Figure 3-41). The
customer supplies the key lock. The provisions available
are for Kirk, Castell or Ronis.
Figure 3-41: Cover Mounted Key Lock and Operations
Counter
1. Operation Counter
2. "OFF" Key Lock
Cassette Lock - A cassette mounted lock can be used in
conjunction with different interlocking schemes (such as
main-tie-main) (Figure 3-42). The lock holds the circuit
breaker trip-free in the conected position, preventing it
from being closed.
40
Up to three lock cylinders can be installed on one
cassette. Eaton supplies the lock provisions only. The
customer is responsible for the locks, which can be Kirk
or Castell.
Figure 3-42: Cassette Mounted Key Lock
1
2
Figure 3-43: ON-OFF Pushbutton Lockable Cover Plate
Pushbutton Cover - A padlockable cover is available to
limit access to the "ON" and "OFF" pushbuttons
(Figure 3-43). It can be installed with either or both
pushbutton covers in place.
1812.900A