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440V Capacitor Duty Contactor Motor Protection Switch Low consumption

Categories AC Contactor
Brand Name: KRIPAL
Model Number: UKC1-12M
Certification: CE
Place of Origin: China
MOQ: 500pcs
Price: negotiable
Payment Terms: T/T, L/C
Supply Ability: 50000 pcs per month
Delivery Time: 20 days and depends on ordering quantity
Packaging Details: Each unit packed in a individual box
Current Range: 12A
Poles: 3P
Auxiliary: 4NC
Contacts: silver
Coil: AC
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440V Capacitor Duty Contactor Motor Protection Switch Low consumption

440V Capacitor Duty Contactor Motor Protection Switch Low consumption

AC Contactors (Magnetic Contactor) provide remote control of primarily electric motors and compensation & heating systems by cable. They protect the instruments and equipments against overload currents by using thermal relays, for capacitor switching contactor.

While switching on a capacitive circuit, a high frequency and large transient current peaks are produced. Switching of capacitor for a single or one of the capacitor banks are different from each other. Step by step "switching on" operation is more difficult for contactor than capacitor bank. Because during this operation for capacitor bank, compensated current occurs. For this reason selecting of suitable contactors the compensating current must be take into consideration for 50kVAR and above, and for less than 50kVAR can be omitted.


Directly drive contactor by transistor output of PLC

The power consumption of the UKC1- low consumption type contactor is 1.2W.

This contactor can be driven by a transistor output of a PLC or electronic equipment such as photoelectric switch, or a proximity limit switch. Therefore, it is possible for this contactor to directly interface without interface relay for driving a 3-phase induction motor.

Low coil power consumption greatly expands application flexibility. Standard AC coils require 1.8 watts.


Rated currentAC3(IEC60947AC1 IthAux. ContactsType
6A1.5KW 7A2.2KW 6A3KW 5A3KW 4A20A1NO or 1NCUKC1-6M
9A2.2KW 9A4KW 9A3.7KW 6A4KW 5A20A1NO or 2NCUKC1-9M
12A3KW 12A5.5KW 12A4KW 7A4KW 55A20A1NO or 3NCUKC1-12M
16A4KW 15A7.5KW 16A5.5KW 9A4KW 5A20A1NO or 4NCUKC1-16M
AC coil Voltage (50/60Hz): 24, 36, 42, 48, 110, 115, 120, 127, 220/208, 220, 220/230, 230/240, 256, 277, 380/440, 400, 440, 480, 500, 550
Rated current6A9A12A18A
Short circuit current(max)380V6090120160
Breaking current(max)380V487296128
Operation cycles per hourAC-31800180018001800
electrical life time (10, 000 times)AC-3100100100100
Machanical Life time(1000 times)1200120012001200
Aux contactsStandard configuration1NO1NO1NO1NO
Top mointingAU-2M/4MAU-2M/4MAU-2M/4MAU-2M/4M
Panel Installationguid screwguid screwguid screwguid screw
Characteristices of the coil
Coil voltageAC
coil consumption(VA)2
Selections of pick-up voltage(%)80-110
Selections of droup-out voltage(%)30-40
Pick-up times10-20
droup-out times35-45

Coil voltage(AC):

24V,36V, 42V, 48V, 110V, 115V, 120V, 200V, 220V, 240V, 256V, 277V, 380V, 400V, 440V, 480V, 500V, 550V

Benefits for mini AC contactors:

Low consumption power

Saving panel size

Installation space is reduced to 50% of conventional DC operated contactors achieving high performance.

Main application fields for ac mini contactors:

Lighting for out-door

Car washing facilities

Crain hoist

Lighting of sports facilities



Vending machine

Painting machine

Show case

It is possible to expand the control wire length since voltage drop in wires is small.


Contactors are used to control electric motors, lighting, heating, capacitor banks, thermal evaporators, and other electrical loads.

Lighting control

Contactors are often used to provide central control of large lighting installations, such as an office building or retail building. To reduce power consumption in the contactor coils, latching contactors are used, which have two operating coils. One coil, momentarily energized, closes the power circuit contacts, which are then mechanically held closed; the second coil opens the contacts.

Normal working conditions and installation conditions

Contactor electric ratings: AC 50/60Hz, 690V, up to 95A
Utilization category: AC-3, AC-4
Altitude: ≤2000m
Ambient temperature: -5-40º C
Mounting category: III
Mounting conditions: inclination between mounting plane
Vertical plane should not exceed ±5°
Standards for AC contactor: IEC/EN 60947-4-1. IEC/EN 60947-5-1

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