7.2kv 12kv High Voltage Vacuum Contactor /Switch for Switchgear (JCZ5)

• Customization: Available
• Breaking Capacity: High Voltage Circuit Breakers
• Speed: Normal Type Circuit Breaker
• Model NO.: JCZ5
• Arc-extinguishing Medium: Vacuum
• Installation: Fixed
• Poles Number: 3
• Certification: ISO9001-2000, CE, CCC
• Rated Operation Frequency: 300 Times/H
• Mechanical Life Time: 1000000 Times
• Rated Operation Voltage: AC/DC 110,220,380
• Tri-Phase Asynchronous Time: Max:2ms
• Over Travel: 1-2mm
• Transport Package: Carton
• Trademark: VACEM
• Origin: Wenzhou, China

Product Description

 1.General description

    VACZ5 series AC vacuum contactor is suitable for power system of AC tri-phase 50Hz,rated current 630 A and below,rated voltage 12kv and 7.2kv,for remotely making and breaking circuit,frequently starting and controlling AC motor.It also could be combined with fuse and protector to replace vacuum circuit breaker.
     The contactor complies with GB/T 14808,IEC 60470 and JB/T 7122 standard,the main performance indicators have reached the international level.

2. Normal using conditions

a. Environment temperature : -5ºC~+40ºC, and average value is no more than +35ºC within 24 hour.
b. Altitude: no more than 1000m.
c. Atmospheric conditions: monthly highest humidity in the most wet month is no more than 90% and monthly average minimum temperature 
shall be 25ºC. Condensation on the products due to temperature changes shall be considered.
d. Impact vibration: The place is without extensive shaking, impact, and vibration.
e. The place is without explosion hazard, enchant gas and sleet.
f. No rain and snow in places
g. Pollution degree: Three grade
h. Installation type: .III
i. Installation condition: Slant angle between installation surface and vertical surface is no more than 15°.

3.Main technical parameter
 

Type	Unit	VACZ5-160~630/7.2				VACZ5-160~630/12
Rated voltage	kV	7.2				12
Rated current	A	160	250	400	630	160	250	400	630
4s thermal stability current	A	160	250	400	630	160	250	400	630
Making capacity	A/100times	1600	2500	4000	6000	1600	2500	4000	6000
Breaking capacity	A/25times	1280	2000	3200	5040	1280	2000	3200	5040
Rated P.F. withstand voltage	kV	28				42
Rated lightning impulse withstand voltage(peak)	kV	60				75
Mechanical life time	times	10,00000
Rated operation voltage	V	AC/DC 110,220,380
Rated operation frequency	times/h	300
Closing time	ms	≤80
Opening time	ms	≤40
Tri-phase asynchronous time	ms	≤2
Clearance between open contacts	mm	5.0±0.5				6.0±0.5
Over travel	mm	1.5±0.5
Each conductive loop resistance	μΩ	≤200

3.Pakaging

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