24kV High Voltage Vacuum Contactor/Switch for Switchgear (VACZ1)

Model NO.: VACZ1-24kV
Delivery: FOB
Minimum order quantity: 1 piece

Quantity:

Product Description

Basic Info.

Model NO.	VACZ1-24kV
Mechanical Life	100,000 times
Electrical Life	25,000 times
Lightning Impulse Withstand Voltage	90kV
Clearance Between Open Contacts	11-13mm
Trademark	VACEM
Origin	Wenzhou, China

1.General description

VACZ1 series AC vacuum contactor is suitable for power system of AC tri-phase 50Hz,rated current 630 A and below,rated voltage 24kV, 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, etchant 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

Item	Unit	VACZ1 160/24	VACZ1 250/24	VACZ1 400/24	VACZ1 630/24
Main circuit rated voltage	kV	24	24	24	24
Main circuit rated current	A	160	250	400	630
Main circuit current making capacity	A/100times	1600	2500	4500	6300
Main circuit make-break capacity	A/25times	1280	2000	3200	5000
Maximum breaking capacity	A/3times	3200	4000	4500	6000
Mechanical life	Thousand times	100	100	100	100
Engineering lock life	Thousand times	10	10	10	10
Electrical life		25	25	25	25
Permanent magnet mechanism life	Thousand times	10	10	10	10
Power-frequency withstand voltage of main circuit	kV	65	65	65	65
Phase to phase/phase to earth power frequency withstand voltage		65	65	65	65
Lightning impulse withstand voltage	kV	90	90	90	90
Rated operating frequency	times/h	150	150	150	150
Rated operating frequency of permanent magnet mechanism	times/h	30	30	30	30
Terminal pressure	N	>100	>100	>100	>100
Clearance between open contacts	mm	12±1	12±1	12±1	12±1
Over travel	mm	2±5	2±5	2±5	2±5
Main circuit resistance	μΩ	≤180	≤160	≤140	≤120