1.14kv 1000A 1250A Low Voltage Vacuum Contactor for Mining (CKJ5)

Modelo NÃO.
CKJ5

Short-Time Operating Frequency(20s)
1000times/H

Mechanical Life Time
1,000,000times

Clearance Between Open Contacts
2.7-2.9milímetros

Over Travel
0.9-1.1milímetros

Marca comercial
VACEM

Origem
Wenzhou, China

Descrição

1.General description
This series vacuum contactor is suitable for power network of AC 50Hz,the main circuit rated voltage 1140V,rated current is 1000A-1250A,
for making,breaking,frequently starting and controlling AC motor,and suitable for forming magnetic starter with a variety of protectors
(JDB electronic integrated protection,JR9 type over current protection devices,the RC absorption device),especially suitable for components
widely used anti-explosion magnetic starter and large mineral lapping switch equipment.
The contactor complies with GB/T 14048.4,IEC 60947-4-1 and JB/T 7122 standard,the main performance indicators have reached the international level.

2. Normal using conditions
uma. 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

ItemUnitCKJ-5-1000~1250/1.14
Main circuit rated voltagekV1.14
Main circuit rated currentUMA10001250
Main circuit making capacityA/100times6000
Main circuit breaking capacityA/100times4500
Limit breaking capacityA/3times5000
Electrical life AC3times600,000
Electrical life AC4times60,000
Mechanical life timetimes1,000,000
Rated operating frequency AC3times/h600
Rated operating frequency AC4times/h120
Short-time operating frequency(20s)times/h1000
Clearance between open contactsmilímetros2.8±0.1
Over travelmilímetros1.0±0.1

4.Product show
1.14kv 1000A 1250A Low Voltage Vacuum Contactor for Mining (CKJ5)
5.International fairs1.14kv 1000A 1250A Low Voltage Vacuum Contactor for Mining (CKJ5)