I N S TA L L AT I O N , O P ER AT I O N S A N D M A I N T EN A N C E M A N UA L
47
Size 5 – 300:15CT (Standard and Ambient Comp.)
Electronic overload table for fusible controllers
Tripping current is 120% of Dial setting. Motors
with 1.15-1.25 service factor, set dial to motor
FLA Motors with 1.0 service factor, set dial to 0.9
motor FLA.
Heaters for NEMA size 6 and 7 fused controllers
For continuous-rated motors with a service factor
of 1.15 to 1.25, select the appropriate heaters for
the motor full-load current. For continuous-rated
motors with a service factor of 1.0, multiply the
motor full-load current by 0.9 and use this value
to select heaters.
Overload relay tripping current in 40° C ambient is
the minimum value of full-load current multiplied
by 1.25. Provide short-circuit protection in
accordance with the National Electrical Code
Overload heaters for controllers with NEMA
Size 6 starters for standard and ambient-
compensated ratings, CT ratio 600:5.
Overload heaters for controllers with NEMA
Size 7 starters for standard and ambient-
compensated ratings, CT ratio 800:5.
Motor Full-Load
Amps 3-Ph,
3 Heater
Heater Number
CR123
Maximum Fuse
Rating
109-118
C592A
600
119-128
C630A
600
129-138
C695A
600
139-155
C778A
600
156-168
C867A
600
169-184
C955A
600
185-200
C104B
600
201-221
C113B
600
222-237
C125B
600
238-262
C137B
600
263-270
C151B
600
Maximum Motor
Full-Load Current
Current Transformer
Secondary Amps
Heater Number
CR 123
181-197
1.51-1.64
C220A
198-214
1.65-1.78
C239A
215-238
1.79-1.98
C268A
239-258
1.99-2.15
C301A
259-290
2.16-2.42
C326A
291-346
2.43-2.88
C356A
347-387
2.89-3.22
C379A
388-423
3.23-3.53
C419A
424-467
3.54-3.89
C466A
468-516
3.90-4.30
C526A
517-540
4.31-4.50
C592A
Maximum Motor
Full-Load Current
Current Transformer
Secondary Amps
Heater
Number
CR 123
346-387
2.16-2.42
C326A
388-461
2.43-2.88
C356A
462-515
2.89-3.22
C379A
516-565
3.23-3.53
C419A
566-622
3.54-3.89
C466A
623-688
3.90-4.30
C526A
689-763
4.31-4.77
C592A
764-810
4.78-5.06
C630A
NEMA
Size
FLA Range
in Amps
Catalog
Number
Max. Fuse in Amps
1
0.8 to 1.59
CR324CXD
Class R 30
Class J 60
1
1.6 to 3.19
CR324CXE
1
3.2 to 6.49
CR324CXF
1
6.5 to 12.8
CR324CXG
1
13 to 27
CR324CXH
2
13 to 25.6
CR324DXG
60
100
2
26 to 49.9
CR324DXH
2
50 to 100
CR324DXJ
3
17 to 34.9
CR324FXK
100
200
3
35 to 64.9
CR324FXL
3
65 to 90
CR324FXM
4
17 to 34.9
CR324FXK
200
400
4
35 to 64.9
CR324FXL
4
65 to 135
CR324FXM
5¹
32 to 64.0
CR324GXN
400
600
5¹
65 to 129.9
CR324GXP
5¹
130 to 270
CR324GXQ
6²
130 to 259.9
CR324HXS
600 Class L 1200
6²
260 to 540
CR324HXT
Additional motor overload protection required for
MM200 abd MM300 relay applications with FLA less
than 6A.
Opening of the circuit breaker or power
fuse may be an indication that a fault
current has been interrupted. To provide
continued protection against fire or shock
hazard, examine all current-carrying parts
and other components of the motor
controller and replace any damaged
components. If heater burnout occurs, the
complete overload relay must be replaced.
Содержание Evolution Series E9000
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