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C7 Series AC Contactor

Applications
C7 series AC contactor (simplified as contactor in the followeing) is suitable for use in the circuits
up to the rated voltage 660V AC 50Hz or 60Hz, rated current 95A, for making and breaking and
frequent starting, controling the AC motor. Combined with the auxiliary contact group, air delayer
machine-interlocking device etc, it is combined into the delay contactor, mechanical interlocking
contactor, star-delta starter, with the thermal relay, it si combined into the electromagneti starter.

Type designation
C7
Numbers of coil voltage, see table 1.
The number 3 means that the contactor is up to 32A, with 3P+NO(1),
above 40A, with 3P+NO(1)+NC(1)
The number 9 means that the contactor is up to 32A, WITH 3p+NC(1)
Rated operating current (A)
C7 AC contactor

Coil voltage Ui (V) 24 42 48 110 120 127 220 240 380 415 440 480 500 600 660
50Hz C7-09-95(LC1-D-09~95) B D E F - G M U Q N N - S - Y
60Hz C7-18-25(LC1-D-09~12) - - D F F - M M - - N N - S X
60Hz C7-18-25(LC1-D-18~25) - - D F F - L L - - N N - SC X
60Hz C7-40-95(LC1-D-40~95) - - D K K - P P - - Q Q - WE SF
Here:3P-three pairs of no main contacts; No-a pair of NO auxiliary contacts;NC-a pair of NC
auxilary contacts.

The:type designation of the auxiliary contacr
F4
Number of the NC contacts
Number of the NO contacts
Auxiliary contact group

The type designation of the air delayer
LA -D
20-01~3s delay
20-01~30s delay
24-10~180s delay
LA2-D:making delay
LA3-D:breaking delay

The contactor may be combined with any accessory showed in table 3 and 4
Auxilary contact group Table 3
Type Delay range Number of the delay contacts
LA2-D20 0.1~3s NO+NC
LA2-D22 0.1~30s
LA2-D24 10~180s
LA3-D22 0.1~30s
10~180s
LA3-D24
Type 7 LA3-D02 0.1~3s

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