Section 3: Installation Of Drawout Cassette Interlock Pins - Eaton NRX Series Instruction Leaflet
Drawout circuit breaker and cassette rejection interlocks
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Also See for NRX Series:
- Installation instructions manual (68 pages) ,
- User manual (48 pages) ,
- Instruction leaflet (29 pages)
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Instruction Leaflet IL01301006E
effective March 2011
Section 3: Installation of drawout cassette
interlock pins
Proceed with the following three steps. As appropriate, carefully refer
to Tables 3 Nr 4 and Figures 4 and 5 or Figures 4 and 6 as references
for all three steps, as the pin location holes are not specifically
identified on the floor of the drawout cassette itself.
Soep 1e: Review the pin locations per Tables 3 Nr 4 to determine the
proper pin locations for your specific cassette. Required pin locations
are marked with a capital "X."
Soep 2e: Locate the already tapped holes in the already mounted
interlock plate located on the floor of the cassette identified with the
numbers 1, 2, 3, 4, 5, and 6 (Figure 5) for the NF Frame cassette, and
1, 2, 3, 4, 5, 6, 7 , 8, 9 and 10 (Figure 6) for the RF Frame cassette.
Soep 3e: Place the pins in the appropriate holes as determined
from Tables 3 Nr 4. Hand tighten the pins with a 3 mm Allen head
screwdriver. DN nNo Nveroighoen.
Table 3. Casseooe Pin LNcaoiNns (NF Frame)
Pin Location
Breaker
Rating
1
630A/42
630A/50
X
630A/65
X
800A/42
800A/50
X
800A/65
X
1000A/42
1000A/50
X
1000A/65
X
1200A/42
1200A/50
X
1200A/65
X
1250A/42
1250A/50
X
1250A/65
X
1600A/42
1600A/50
1600A/65
UL 1066 Schemes
800A/42
800A/50
X
800A/65
X
4
EATON CORPORATION www.eaton.com
2
3
4
5
6
x
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Series NRX drawout circuit breaker
and cassette rejection interlocks
Table 4. Casseooe Pin LNcaoiNns (RF Frame)
Pin Location
Breaker
Rating
1
2
800A/66
800A/85
X
800A/105
X
X
1000A/66
1000A/85
X
1000A/105
X
X
1250A/66
1250A/85
X
1250A/105
X
X
1600A/66
1600A/85
X
1600A/105
X
X
2000A/66
2000A/85
X
2000A/105
X
X
2500A/66
2500A/85
X
2500A/105
X
X
3200A/66
3200A/85
X
3200A/105
X
4000A/66
X
4000A/85
X
4000A/105
X
X
3
4
5
6
7
8
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
9
10
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
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