CJX1-K Series AC Vacuum Contactor

Product category:: AC Contactor
Product code:: P-407
Model:: CJX1-K

Function & Use (Application Scenarios)

Motor control and protection electrical appliances, AC contactors are mainly applicable to (hereinafter referred to as contactors), which are mainly used in AC 50Hz, rated insulation voltage of 1000V, and in the AC-3 usage category, when the rated operating voltage is 380V, the rated operating current is up to 820A in the circuit.

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Product highlights

Overload protection is reliable
Strong breaking capacity
Control response is stable
Engineering Application Compatibility
Stable and reliable operation

Model

CJX1-K

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Main Product Parameters

CategorySwitchgearSecondary CategoryAC Contactor

ParametersRated current: 225~820A; Operating temperature: -25~+60℃; Control method: AC/DC universal

Product details

Function and Usage

The CJX1-K series AC vacuum contactor (hereinafter referred to as the contactor) is mainly used in AC circuits with a frequency of 50Hz, a rated insulation voltage of 1000V, and an rated operating voltage of 380V under the AC-3 usage category, with a rated operating current up to 820A. It is used for remote connection and disconnection of circuits, and can be combined with appropriate thermal overcurrent relays or electronic protection devices to form a vacuum electromagnetic starter. It is especially suitable for forming a flameproof vacuum electromagnetic starter. It is widely used in places such as mines, smelting, oil drilling, storage, chemical industry, military industry, textile, construction, etc., which are flammable, explosive, or have harsh environments.

Detailed Description

Parameters:
Rated Current: 225~820A
Operating Temperature: -25~+60℃
Control Method: AC/DC Universal

Details Parameters

Parameter Category	Parameter Item	Parameter Value
	Contactor Model	CJX1-225/22K
	Legend
	Rated Free Air Heating Current Ith(A)	330
	Rated Insulation Voltage Ui(V)	1000
	Rated Impact Withstand Voltage(kV)	6
	Rated Limiting Short Circuit Current(kA)	50
	Phase Impedance Z(Ω)	≤5.0×10⁻³
	Rated Closing Capacity	Closing Current: 10×le(AC-3)
	Rated Breaking Capacity	Breaking Current: 8×le(AC-3)
	AC-3 Rated Working Current Ie(A)	380V/400V/660V/690V/1000V
		225
	AC-3 Rated Control Power(kW)	220V
		380V
		660V
		380V/440V
		660V/690V
		1000V
	Mechanical Life (times/h)	Operating Frequency: 1200 times ×10⁶
		Times ×10⁶: 700
	AC-3 Electrical Life (times/h)	Operating Frequency: 600 times ×10⁶
		Times ×10⁶: 200
	Arc Distance(mm)	0
	SCPD Compatible Circuit Breaker	RT36-2 400A
	Corresponding Thermal Overload Relay	NXR-630
	Basic Parameters of Auxiliary Contacts	AC-15: 380V/0.95A, DC-13: 220V/0.15A, Ut660V, Ith10A
	Number of Auxiliary Contacts	Two Normally Open and Two Normally Closed
Electromagnetic System Capability	Coil Control Power Supply(V)	AC (50Hz~60Hz)/DC: 110, 220, 380
	Action Range	Close: Cold State: (65%~110%)Us; AC: (20%~60%)Us; DC: (10%~60%)Us
	Release
	Coil Holding Power(VA)	Start: 95
		Hold: 7.4
Wiring Capability	Main Circuit Wiring	Number: 1
		Wire Cross Section (mm²): 185
		Tightening Screw Size: M10
		Tightening Torque (N·m): 10
		Number: 1-2
		Wire Cross Section (mm²): 185～240
		Tightening Screw Size: M12
		Tightening Torque (N·m): 14
	Auxiliary Circuit Wiring	Number: 1-2
		Wire Cross Section (mm²): 0.5～1.5
		Tightening Screw Size: M3.5
		Tightening Torque (N·m): 0.8
Parameter Category	Parameter Item	Parameter Value
	Contactor Model	CJX1-265/22K
	Legend
	Rated Free Air Heating Current Ith(A)	330
	Rated Insulation Voltage Ui(V)	1000
	Rated Impact Withstand Voltage(kV)	6
	Rated Limiting Short Circuit Current(kA)	50
	Phase Impedance Z(Ω)	≤5.0×10⁻³
	Rated Closing Capacity	Closing Current: 10×le(AC-3)
	Rated Breaking Capacity	Breaking Current: 8×le(AC-3)
	AC-3 Rated Working Current Ie(A)	380V/400V/660V/690V/1000V
		265
	AC-3 Rated Control Power(kW)	220V
		380V
		660V
		380V/440V
		660V/690V
		1000V
	Mechanical Life (times/h)	Operating Frequency: 1200 times ×10⁶
		Times ×10⁶: 700
	AC-3 Electrical Life (times/h)	Operating Frequency: 600 times ×10⁶
		Times ×10⁶: 200
	Arc Distance(mm)	0
	Circuit breaker used with SCPD	RT36-3 630A
	Corresponding thermal overcurrent relay	NXR-630
	Basic parameters of auxiliary contacts	AC-15: 380V/0.95A, DC-13: 220V/0.15A, Ut660V, Ith10A
	Number of auxiliary contacts	Two normally open and two normally closed
Electromagnetic system capability	Coil control power supply (V)	AC (50Hz~60Hz)/DC: 110, 220, 380
	Action range	Engagement: Cold state: (65%~110%)Us; AC: (20%~60%)Us; DC: (10%~60%)Us
	Release
	Coil holding power (VA)	Start: 95
		Hold: 7.4
Wiring capability	Main circuit wiring	Number of wires: 1
		Cross-sectional area (mm²): 185
		Fastening screw size: M10
		Fastening torque (N·m): 10
		Number of wires: 1-2
		Cross-sectional area (mm²): 185～240
		Fastening screw size: M12
		Fastening torque (N·m): 14
	Auxiliary circuit wiring	Number of wires: 1-2
		Cross-sectional area (mm²): 0.5～1.5
		Fastening screw size: M3.5
		Fastening torque (N·m): 0.8
Parameter classification	Parameter item	Parameter value
	Contactor model	CJX1-300/22K
	Figure legend
	Agreed free air heating current Ith (A)	330
	Rated insulation voltage Ui (V)	1000
	Rated impulse withstand voltage (kV)	6
	Rated short-circuit current (kA)	50
	Pole impedance Z (Ω)	≤5.0×10⁻³
	Rated making capacity	Making current: 10×le(AC-3)
	Rated breaking capacity	Breaking current: 8×le(AC-3)

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