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40 Amp AC Contactor, 3 Pole / 4 Pole, 24V/110V/220V Coil

40 Amp AC Contactor, 3 Pole / 4 Pole, 24V/110V/220V Coil
40 Amp AC Contactor, 3 Pole / 4 Pole, 24V/110V/220V Coil
  • Stock: In Stock
  • Model: PEACO-CJX2-40
  • SKU: PEACO-ACC-6
$146.85
Ex Tax: $146.85

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AC contactor uses the main contact to open and close the circuit and uses the auxiliary contact to execute the control command, thereby completing the power switch and control circuit. 40 amp AC contactor features multiple auxiliary contact configurations, voltage ratings including 24V/ 48V/ 110V/ 220V coil. Other currents are also optional. Lightweight, small and efficient CJX2 AC contactors for aerospace commercial and military electrical power systems.

AC Contactor Specifications

Model PEACO-CJX2-40
Rated current* (optional)
380V AC-3 40A
AC-4 18.5A
660V AC-3 34A
AC-4 9A
Conventional heating current 60A
Rated insulation voltage 690V
Powe of controllable 3-phase squirrelcage motor (AC-3) 220V 11kW
380V 18.5kW
660V 30kW
Operatiopnal frequency Electric life AC-3 600 operations/h
AC-4 150 operations/h
Mechanical life 3600 operations/h
Service life Electric life AC-3 800,000 operations
AC-4 150,000 operations
Mechanical life 800,000 operations
Matching fusing model RT16-63
Average power consumption at 50Hz, 20℃ Pick-up 230VA
Holding 32VA
Pole* (Optional) 3P+NO, 3P+NC
Weight 1.22kg-1.37kg
Certification CCC
Warranty 2 years

Note: For electricity-related maintenance and installation, make sure that the operator holds the qualification for electrical work and takes necessary power-off and insulation protection measures.

Features

  • 32 pieces of iron core with solid materials, the suction is more smooth and tight.
  • Provides silver alloy contacts with strong conductivity and flame retardant housing.
  • With copper coils with strong electromagnetic suction when the coil is energized.

Normal Working and Installation Conditions

1. Ambient temperature: -5℃~+40℃, the average value should not exceed +35℃ within 24 hours.

2. Altitude: <2000m.

3. Atmospheric conditions: When the temperature reaches 40℃, the relative humidity of atomsphere should be <50%. When at relatively low temperatures, it could have higher relative humidity. Monthly maximum relative humidity could be not more than 90%. Special measures should be taken if there is occurrence of dews due to temperature changes.

4. Class of pollution: Class 3

5. Installation category. Ⅲ

6. Installation conditions: The inclination degree between the installation surface and the vertical surface does not exceed ±5°.

7. Impact shock: AC contactors should be installed and used in the place where there are no strong shakes and impacts.

AC Contactor Dimension (Unit: mm)

AC Contactor Dimension

Amax=77, Bmax=129, Cmax=116, Dmax=147, Emax=167, Fmax=103, a=40, b=100/110, Φ=6.5

AC Contactor Details (Taking CJX2-0910 AC contactor as an example.)
AC Contactor Details
AC Contactor Wiring Diagram (Taking 220V AC coil voltage as an example.)
AC Contactor Wiring
KNOWLEDGE BASE --- The structure of the AC contactor
1. Electromagnetic system. 
The electromagnetic system consists of a coil, an E-shaped static iron core and an anchor core. The head of the static iron core is equipped with a short-circuit ring, which is used to prevent the vibration of the armature when the AC current crosses zero.
2. The contact part includes three pairs of main contacts and four pairs of auxiliary contacts. The main contact is composed of three groups of bridge-type moving contacts and three pairs of static contacts on the upper and lower sides. The contact is made of silver alloy material, which has a large capacity and allows a large current to pass through and plays an important role in connecting and disconnecting the main circuit. The static contact, the static iron core and the coil are integrated while the bridge-type moving contact and the armature are integrated. Contacts have two types, normally open (NO) and normally closed (NC). When the coil is not energized, the contacts in the broken state are called normally open contacts and the contacts in the closed state are called normally closed contacts. The number of normally open (NO) and normally closed (NC) contacts among the four pairs of auxiliary contacts of the contactor can be arbitrarily combined. What's more, auxiliary contacts are only allowed to be used in control circuits with small currents.
3. Arc extinguishing cover. The AC contactor with a current above 40A provids an arc extinguishing cover, which is used to limit the arc generated when the main contact is broken, so as to avoid contact sintering or fusion welding.

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