Basic Info.

Model NO.	CKG4
Phase	3
Main Circuit Rating Voltage	High Voltage
Main Circuit Rating Current	630A
Type	Ac Contactors
Transport Package	Wooden Case
Specification	630A 400A 250A 160A
Trademark	RUIHE
Origin	Luoyang
Production Capacity	10, 000PCS

Product Description

CKG4 series high voltage vacuum contactor

CKG4 series AC high voltage vacuum contactor is widely used in indoor devices used in power systems with AC 50~60Hz, rated working voltage 12kV and rated current from 160A to 630A. It is used to frequently open and close the load circuit of AC high voltage motors and transformers. This product has a clear structure, which is convenient for commissioning, maintenance and installation.

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High voltage vacuum contactor

Product details

Product overview

Model and meaning

Technical Parameters Form

Product Dimensional Drawing

Name of parameter	Value
Rated voltage(KV)	12
Rated current(A)	160	250	400	630
Main circuit making capacity (A/100times)	1600	2500	4000	6300
Main circuit break-make ability (A/25times)	1280	2000	3200	5000
Ultimate breaking capacity(A/3times)	3200	4000	4500	6300
Electrical life AC3(Times)	25*10⁴	25*10⁴	25*10⁴	20*10⁴
Electrical life AC4(Times)	10*10⁴	10*10⁴	10*10⁴	10*10⁴
Mechanical life(Times)	10*10⁵	10*10⁵	10*10⁵	10*10⁵
Power-frequency withstand voltage of the main circuit(fracture)(kV)	42	42	42	42
Phase-phase,Phase-ground Power Frequency Withstand Voltage(kV)	42	42	42	42
Power-frequency withstand voltage of the control circuit (kV)	2	2	2	2
Rated operating frequency (Times/h)	300	300	300	300
Terminal Pressure(N)	>100	>100	>150	>150
Clearance between open contacts (mm)	6±0.5	6±0.5	6±0.5	6±0.5
Overtravel(mm)	1.5±0.5	1.5±0.5	1.5±0.5	1.5±0.5
Main Circuit Contact Resistance(µΩ)	≤200	≤200	≤200	≤200

Products

Ckg4 Series High Voltage Vacuum Contactor

Basic Info.

Product Description

CKG4 series high voltage vacuum contactor