PRODUCT


Special Contactor for Capacitor Matching
MC series
Summary
MC contactor is specially designed for switching capacitors. It is equipped with advanced closed contacts. First, the auxiliary contacts guide current through the series of advanced closed contacts to ensure that the input current is within acceptable range. This stage takes 2-10 Ms. Then the main contact closure contacts connect the capacitor to the circuit completely, and the auxiliary contacts are automatically disconnected (the over-current intensity of 2.5 and 5 kV Ar models is ensured by special strengthening contact material).



●Auxiliary contact block
●Three-phase connection
●Possible capacitor connection up to 60 kvar,
●Coil voltage: 220-230VAC 50/60 Hz
●Compliance with IEC-497 Standard
●Long electrical life
●UL certification (12, 16, 20 and 25 kvar models)		 Advantage
●Long service life of contactor
●Reduction of Reactive Power Faults Caused by Contactor
Faults (Compensation Faults)
●Reduction of capacitor failures
●Avoiding Voltage Fluctuation and Improving Power Quality
●Reduced maintenance intervals for unexpected failures and compensation systems.
●Reduction of loss in facility production.

MC series
Product model
Maximum Operating Power（kvar）
Rated current（A）
Capacitor Unit Model
220~240V
400~450V
500~550V
MC-9b
5kvar
13A
9.7kvar
14A
14kvar
16A
21.6A
AC-9
MC-12b
6.7kvar
18A
12.5kvar
18A
18kvar
21A
28.4A
AC-9
MC-18b
8.5kvar
22A
16.7kvar
24A
24kvar
30A
37.8A
AC-9
MC-25b
10kvar
26A
18kvar
26A
26kvar
30A
40.5A
AC-9
MC-32a
15kvar
39A
25kvar
36A
36kvar
42A
56.1A
AC-9
MC-40a
20kvar
52A
33.3kvar
48A
48kvar
55A
74.8A
AC-9
MC-50a
20kvar
52A
40kvar
58A
58kvar
67A
90.4A
AC-50
MC-65a
25kvar
66A
45.7kvar
66A
66kvar
76A
102.9A
AC-50
MC-75a
29.7kvar
78A
54kvar
78A
78kvar
90A
121.6A
AC-50
MC-85a
35kvar
92A
60kvar
87A
92kvar
106A
143.4A
AC-50
MC-100a
37kvar
97A
62kvar
89A
94kvar
109A
146.5A
AC-50
Note: When the switch is switched on, it must be discharged first (the maximum residual voltage of the terminal is less than or equal to 50V) to prevent short circuit. The current of the gG fuse must be 1.5~2 times of the rated current.

Thyristor switch
SC-225 / SC-325 / SC-250 / SC-350

Summary
SC series dynamic switching contactors are used in systems with rapidly changing loads. After using SC series dynamic contactors, the switching time of capacitors used to provide capacitive power to the system is less than 20 ms (1 cycle), which can bring more effective compensation for switching load quickly, such as flat head welder, crane and arc furnace.

●Response time is less than 20 ms
●Reactor heat input
●Thermal protection
●Warning LED
●Long service life
●Easy installation
●Work quietly
●Flip-flop with RS-485 and DC voltage
●Flip-off characteristic of capacitor when voltage is higher than Vmax. Radiator design allows continuous operation at higher loads and higher temperatures
●FFT ensures high reliability in high harmonic environment
Technical characteristics
●Working voltage 480/690V
●Maximum power 25/50 KVAr
●Frequency 45/60 Hz
●Triggering 5-30VDC
●Working temperature - 10 C, +55 C.
●Storage temperature - 10 C, +75 C.
●Humidity 95%
●Shell Protection Level IP-00
●Standard EN 60947-1
●Dimensions: 275.7 mm x 140 mm X 212.1 mm

25 KVA
50 KVA
Two Tristors make up a triangle(400V)
SC-225
SC-250
Three Tristors form a star(690V)
SC-325
SC-350
It is suggested that these products be used in ENT. SPD series overload protection devices.