Eaton Magnum Air MWN-408 User Manual page 41

Lv-air circuit breaker
Table of Contents

Advertisement

Prevent Close Cover - Complete access to the "ON"
pushbutton can be prevented by adding the prevent
close cover to the pushbutton cover.
Cassette Safety Shutters - Automatically operated
insulating type safety shutters are available for use with
the drawout cassette. When the drawout circuit breaker
is levered from the CONNECT position, the shutters
automatically close to cover the fixed primary contacts
(Figure 3-44). When the circuit breaker is levered into
the cassette, the shutters automatically open permitting
primary connections to be made (Figure 3-45).
Figure 3-44: Safety Shutters in Closed Position
Figure 3-45: Safety Shutters in Open Position
Door Escutcheon - The door escutcheon is a molded
frame used to seal the space between the circuit breaker
and the compartment door cutout. It is supplied with a
mounting gasket (Figure 3-48).
1812.900A
Cassette Cell Switches - The cassette cell switches are
compartment position switches for drawout circuit
breakers. They are available in a 2a2b contact
configuration, and mount on the right side of the
cassette (Figure 3-46 and Figure 3-47). Refer to the
Ratings Table 3-6 for cell switch contact information.
One or more cell switches can be mounted to operate at
the WITHDRAWN, TEST or CONNECT position.
Figure 3-46: Cell Switch (Drawout Position Indicator)
Unmounted
Figure 3-47: Cell Switches Mounted on Cassette
Figure 3-48: Door Escutcheon and Gasket
Magnum
41

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents