10
Instruction Leaflet
IL0131080EN
Effective January 2019
3-way multi-family drawout cable interlock kit - type 32 - NF
EATON
www.eaton.com
Functional test of interlock assembly
Refer to
for breaker position in the interlock
configuration . Begin test sequence with all breakers
OPEN
. For
Breaker
A
, verify that the interlock assembly is positioned as shown
in
while in the various states required by the steps below .
For Breakers
B
and
C
, use the figure included in the information
leaflet for the interlock kit installed on those breakers .
Type 32
Six-cable interlock assembly test . Refer to
for logic details .
•
OPEN all breakers
•
CHARGE and CLOSE Breaker
A
—Breakers
B
and
C
should not be
interlocked (not held OPEN and able to CLOSE, one at a time)
•
OPEN Breaker
A
•
CHARGE and CLOSE Breaker
B
—Breakers
C
and
A
should not be
interlocked (not held OPEN and able to CLOSE, one at a time)
•
OPEN Breaker
B
•
CHARGE and CLOSE Breaker
C
—Breakers
A
and
B
should not be
interlocked (not held OPEN and able to CLOSE, one at a time)
•
OPEN Breaker
C
•
CHARGE and CLOSE Breakers
A
and
B
—Breaker
C
should be
interlocked (held OPEN, not able to CLOSE)
•
CHARGE and attempt to CLOSE Breaker
C
—it should not respond
to CLOSE attempt (no noise, spring discharge, or contact motion)
•
OPEN Breakers
A
and
B
•
CHARGE and CLOSE Breakers
B
and
C
—Breaker
A
should be
interlocked (held OPEN, not able to CLOSE)
•
CHARGE and attempt to CLOSE Breaker
A
—it should not
respond to CLOSE attempt (no noise, spring discharge, or contact
motion)
•
OPEN Breakers
B
and
C
•
CHARGE and CLOSE Breakers
C
and
A
—Breaker
B
should be
interlocked (held OPEN, not able to CLOSE)
•
CHARGE and attempt to CLOSE Breaker
B
—it should not respond
to CLOSE attempt (no noise, spring discharge, or contact motion)
•
OPEN Breakers
C
and
A
The mechanical interlock is now properly installed and adjusted . Use
a light amount of supplied lubricant
(G)
if any interlock parts are
sticky or do not fully reset . This is only recommended if needed .
Type RF frame breaker interlock
assembly in OPEN state
(not interlocked, able to close).
Type RF frame breaker interlock
assembly in interlocked state
(open and unable to close).
Type RF frame breaker interlock
assembly in CLOSED state
(not interlocked).
Figure 17. Position of interlock based on breaker state