451 series
Model
Nominal current
Current
code
451
15
A (500 V max)
081
451
25 A (500 V max)
082
451
40 A (500 V max)
083
451
55 A (500 V max)
062
452
55 A (660 V max)
062
452
75 A (660 V max)
113
453
100 A (660 V max)
114
454
125 A (660 V max)
117
454
150 A (660 V max) *
100
Nominal
voltage
Voltage
code
120 V
10
240 V
13
277 V
32
440 V
28
500 V
29
660 V
30
Fan power supply
(for 453 and 454) *
Code
115 V
11
230 V
36
85-115 V and 200-260 V
41
100-130 V and 200-260 V
19
350-450 V and 200-260 V
43
380-500 V and 200-260 V
47
170-230 V and 200-260 V
42
425-575 V and 200-260 V
44
240-320 V and 200-260 V
46
Options
Code
TTL logic input
10
"M ult- in p ut" for single control
of several units connected in
series
24
Partial load failure (PLF)
detection.
Contact
open
in alarm
37
Partial load failure (PLF)
detection.
Contact
closed
in alarm
37/83
Unit without baseplate
76
Over-load detection *
68
3.2 C O D I N G
Model / Current code / Voltage code / Fan power supply / Option / 00
* The external fuse mounted on a fuse-holder is the subject of a separate
order under the reference LA 171760
* See page 3-7
* Only with PLF option
451-461 User Manual
3-3
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