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P25M electrical auxiliaries
Protection of
motors
Technical
Section 9
Dimensions
Section 10
Contact
Frequency
Part
Width in
voltage
(Hz)
number
modules
(V AC)
of 18mm
MX shunt release
220...240
50
21127
1
380...415
50
21128
1
C1 C2
u>
MN undervoltage release
220...240
50
21129
1
380...415
50
21130
1
D1 D2
u<
Position contact
O + C
21117
1/2
C + C
21116
1/2
43
44
33
34
31
32
43
44
53
54
97
98
51
52
97
98
Position and fault signal contact
C + SD.C
21118
1/2
O + SD.C
21119
1/2
C + SD.O
21120
1/2
O + SD.O
21121
1/2
95
96
53
54
95
96
51
52