6
Standardization Means High Quality
A high degree of standardization has been achieved
with POWER/VAC
®
breakers. All breakers are the same
size, regardless of voltage or interrupting capability.
Additionally, most parts of the frame, primary conduc-
tors, disconnects and mechanisms are interchangeable
throughout the breaker product line. This results in a higher
quality product and reduces training time for operating
and maintenance personnel.
Interlock System Protects Operating Personnel
For personnel safety, POWER/VAC
®
breakers are
designed with a number of mechanical and electrical
interlocks. For example, breaker contacts must be open
before the breaker can be moved to or from the CON-
NECT position. A positive mechanical stop is provided
when the breaker reaches the CONNECT or TEST/
DISCONNECT positions. Mechanical interference
interlocks are provided to permit only the insertion of
properly rated breakers into any specific compartment.
These and other necessary interlocks provide a compre-
hensive protection system. Futhermore, springs auto-
matically discharge when the breaker is withdrawn from
the CONNECT position and breakers cannot be inserted
in the closed position. Closed door drawout design also
contributes an extra measure of operator protection.
1. Breaker Front Panel
2. Primary Disconnect
3. Contact Erosion Indicator
POWER/VAC
®
VACUUM
BREAKERS DESIGNED FOR
QUALITY AND SAFETY
f
f
Содержание 15LSWGR901
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