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Instruction Leaflet IL0131080EN
Effective January 2019
Functional test of interlock assembly
Refer to Table 1 and Figure 1 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 Figure 17 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 Table 1 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 .
10
EATON www.eaton.com
3-way multi-family drawout cable interlock kit - type 32 - NF
Figure 17. Position of interlock based on breaker state
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).
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