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EntelliGuard* L

Mechanical Interlocking of Multiple Breakers

Mechanically Interlocked Breakers Three Breaker Interlock type B
Many Low Voltage Installations have multiple power sources Interlock type B in which one of the three breakers (B1, B2 or
that are used in many different configurations. B3) can be switched ON. Each breaker must be equipped with
The power sources are required to supply the installation a factory mounted interlock type B. Six cables are needed.
simultaneously, alternatively or in a certain logical
combinations of both. G
Breaker Accessories mechanically interlocked to provide the necessary logic. B1 B2 B3
The EntelliGuard* Power Circuit Breaker can be used to
protect these Power supplies and be electrically and

The mechanical interlocks are available for fixed and draw-
out circuit breakers, enabling the direct interlocking of the
breakers, mounted side by side or stacked.
The device has two parts; the first a kit customized for use
with the breaker in fixed pattern or the cassette when a
draw-out pattern is required (field mountable). Two or more
Three Breaker Interlock type C
specially designed field mountable cables available in lengths
of 1,0; 1,6; 2,0; 2,5; 3,0; 3,5 and 4,0 meters being the second.
Interlock type C in which one or two of the three breakers
can be switched ON in accordance with the inserted diagram.
Any combination mode (fixed or Each breaker must be equipped with a factory mounted inter-
Intro draw-out), current rating, number of lock type C. Six cables are needed.
poles or envelope size can be
interlocked. The interlocking systems
A are available in one configuration for
2 breakers and in three others for
3 breakers. B1 B2 B3
0 0 0
B 0 I 0 0 I
0
0 I 0
I I 0
0 I I
C I 0 I

D

Two Breaker Interlock Three Breaker Interlock type D
Interlock type A in which one of the two breakers (B1 or B2) Interlock type D in which one or two of the three breakers
E can be switched ON. Each breaker must be equipped with a can be switched ON in accordance with the inserted diagram.
factory mounted interlock type A. Two cables are needed. Breakers B1 & B3 must be equipped with a factory mounted
interlock type A and B2 with a interlock type D. Four cables
X are needed.

G

B1 B2 B1 B2 B3
0 0 0
I 0 0
0 0 I
I 0 I
0 I 0

C.6