K2CM
10
Engineering Data
2
4
6
8
10
Time scale
70
60
50
40
30
20
10
0
100
200
300
400
500
600
700
2
8
0
240
200
160
120
8
0
40
0
Time scale m
u
ltiplying factor
(
×
4) (
×
1)
Motor c
u
rrent (percentage of c
u
rrent-setting
v
al
u
e)
Oper
ating time (s)
0.2
0.1
0
100
200
300
400
500
600
700
Oper
ating time (s)
Motor c
u
rrent (percentage of c
u
rrent-setting
v
al
u
e)
This graph sho
w
s the
b
eha
v
ior
w
hen the
c
u
rrent changes from
100
%
of the c
u
rrent-
setting
v
al
u
e to the
percentage sho
w
n on
the horizontal axis.
Overload Operating Time
Characteristics for Inverse Type
Overload Operating Time
Characteristics for Instantaneous Type
2.0
1.0
0
100
200
300
400
500
600
700
This graph sho
w
s the
b
eha
v
ior
w
hen
the c
u
rrent changes from 100
%
of the
c
u
rrent-setting
v
al
u
e to the percentage
sho
w
n on the horizontal axis.
Oper
ating time (s)
Motor c
u
rrent (percentage of c
u
rrent-setting
v
al
u
e)
0.6
0.5
0.4
0.3
0.2
0.1
0
100
200
300
400
500
600
700
This graph sho
w
s the
b
eha
v
ior
w
hen
the c
u
rrent changes from 100
%
of the
c
u
rrent-setting
v
al
u
e to the percentage
sho
w
n on the horizontal axis.
Oper
ating time (s)
Motor c
u
rrent (percentage of c
u
rrent-setting
v
al
u
e)
Typical Characteristics of
Open-phase Operation
Typical Characteristics of
Reverse-phase Operation
