Eaton Magnum Air MWN-408 User Manual page 7

Table 1-1: Magnum Circuit Breaker Ratings
Maximum Breaker Designation
Amperes
800 MWN-408
MWN-508
MWN-608
MWI-408
MWI-608
MWI-808
MWI-C08
1250 MWN-412
MWN-512
MWN-612
MWI-412
MWI-612
MWI-812
MWI-C12
1600 MWN-516
MWN-616
MWI-616
MWI-816
MWI-C16
2000 MWN-520
MWN-620
MWI-620
MWI-820
MWI-C20
2500 MWI-625
MWI-825
MWI-C25
3200 MWI-632
MWI-832
MWI-C32
MWK-232
3
4000 MWI-641
3
MWI-841
3
MWI-C41
MWI-640, 64N
MWI-840, 84N
MWI-C40, C4N
MWI-E40, E4N
5000 MWI-850, 85N
MWI-C50, C5N
MWI-E50, E5N
6300 MWI-863, 86N
MWI-C63, C6N
MWI-E63, E6N
* All ratings at 690 Vac except MWK which is rated
1100 Vac
1
Icu only; Ics = 85kA
2
Icu only; Ics = 100kA
3
Standard width breaker (not double-wide)
1812.900A
Icw1s/3s (kA)
*
Ics = Icu
(kA)
40 40/NA
50 50/NA
65 65/40
40 40/NA
65 65/50
85 85/65
1
100 85/65
40 40/NA
50 50/NA
65 65/40
40 40/NA
65 65/50
85 85/65
1
100 85/65
50 50/NA
65 65/40
65 65/50
85 85/65
1
100 85/65
50 50/30
65 65/40
65 65/50
85 85/65
1
100 85/65
65 65/50
85 85/65
1
100 85/65
65 65/50
85 85/65
1
100 100/65
25 NA
65
85
1
100
65 65/NA
85 85/65
100 100/85
2
150 150/100
85 85/65
100 100/85
2
150 150/100
85 85/65
100 100/85
2
150 150/100
A
B
C
D
E
A. Low voltage air circuit breaker family name
B. Breaker family designation number
C. Breaker frame size in amperes
D. Interrupting capacity rating
E. Factory Equipped Accessories
Figure 1-2: Typical Magnum Nameplate
TYPE MAGNUM CIRCUIT BREAKERS ARE ROBUST
AND ARE PROVIDED WITH SAFETY FEATURES.
NEVERTHELESS, THE VOLTAGES, CURRENTS AND
POWER LEVELS AVAILABLE IN AND AROUND THIS
EQUIPMENT WHEN IT IS IN OPERATION ARE
EXTREMELY DANGEROUS AND COULD BE FATAL.
UNDER NO CIRCUMSTANCES SHOULD INTERLOCKS
AND OTHER SAFETY FEATURES BE MADE
INOPERATIVE, AS THIS MAY RESULT IN DEATH,
BODILY INJURY OR PROPERTY DAMAGE.
Magnum
WARNING
7