10
2019-05-24 / V1.0
Product information
Contactors C137/C163/C164/C165 – Installation and Maintenance Instructions
Changeover (SPDT) contactor C137 H
A
C
A
B
D
D
B
C
A
E
F
G
A
C
A
B
D
D
B
C
A
E
I
H
I
Fig. 3:
Changeover (SPDT) contactor C137 H,
standard version
A Mounting holes for screws M3, Tightening torque: 2 Nm
B Plasma exits
C Permanent magnets
D Main contacts, normally open contact (make), designed
to make and break current like an open style power relay,
Terminals: M6, Tightening torque: max. 3 Nm
E Coil terminals A1 and A2, Flat tabs 6.3 x 0.8 mm
I
Normally closed contacts (break), without magnetic blow-
out, designed to carry current only but not to make and
break current, Terminals: M6, Tightening torque: max. 3 Nm
Fig. 4:
Changeover (SPDT) contactor C137 H, fitted with
auxiliary contact (F) an varistor (G) or diodes (H)
A Mounting holes for screws M3, Tightening torque: 2 Nm
B Plasma exits
C Permanent magnets
D Main contacts, normally open contact (make), designed
to make and break current like an open style power relay,
Terminals: M6, Tightening torque: max. 3 Nm
E Coil terminals A1 and A2, Flat tabs 6.3 x 0.8 mm
F Auxiliary contact (1x microswitch, SPDT),
Terminals: Flat tabs 2.8 x 0.5 mm
G Coil suppression with varistor
H Coil suppression with diodes
I
Normally closed contacts (break), without magnetic blow-
out, designed to carry current only but not to make and
break current, Terminals: M6, Tightening torque: max. 3 Nm