GMC AC Mini Contactor Electromagnetic Motor Protection Switch Low
consumption 6A,9A,12A,16A
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.
Description:
The power consumption of the UKC1- low consumption type contactor
is 1.2W.
Low coil power consumption greatly expands application flexibility.
Standard AC coils require 1.8 watts.
GMC AC Mini Contactor Electromagnetic Motor Protection Switch Low
consumption 6A,9A,12A,16A
AC Specifications:
| Rated current | AC3(IEC60947 | AC1 Ith | Aux. Contacts | Type |
| 220-240V | 380-440V | 550-550V | 690V |
| 6A | 1.5KW 7A | 2.2KW 6A | 3KW 5A | 3KW 4A | 20A | 1NO or 1NC | UKC1-6M |
| 9A | 2.2KW 9A | 4KW 9A | 3.7KW 6A | 4KW 5A | 20A | 1NO or 1NC | UKC1-9M |
| 12A | 3KW 12A | 5.5KW 12A | 4KW 7A | 4KW 5A | 20A | 1NO or 1NC | UKC1-12M |
| 16A | 4KW 15A | 7.5KW 16A | 5.5KW 9A | 4KW 5A | 20A | 1NO or 1NC | UKC1-16M |
|
| 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, 550V AC |
|
|
| Characteristics(440VAC) |
| Rated current | 6A | 9A | 12A | 18A |
| Short circuit current(max) | 380V | 60 | 90 | 120 | 160 |
| 660V | 72 | 108 | 144 | 180 |
| Breaking current(max) | 380V | 48 | 72 | 96 | 128 |
| 660V | 60 | 90 | 120 | 150 |
| Operation cycles per hour | AC-3 | 1800 | 1800 | 1800 | 1800 |
| AC-4 | 300 | 300 | 300 | 300 |
| electrical life time (10, 000 times) | AC-3 | 100 | 100 | 100 | 100 |
| AC-4 | 20 | 20 | 20 | 20 |
| Machanical Life time(1000 times) | 1200 | 1200 | 1200 | 1200 |
| Aux contacts | Standard configuration | 1NO | 1NO | 1NO | 1NO |
| Top mointing | AU-2M/4M | AU-2M/4M | AU-2M/4M | AU-2M/4M |
| Panel Installation | guid screw | guid screw | guid screw | guid screw |
|
| Characteristices of the coil |
| Coil voltage | AC |
| coil consumption(VA) | 2 |
| Pick-ip | 32VA |
| Maintain | 6VA |
| Selections of pick-up voltage(%) | 80-110 |
| Selections of droup-out voltage(%) | 30-40 |
| Pick-up times | 10-20 |
| droup-out times | 35-45 |
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:
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
