1.14kv 1000A 1250A Low Voltage Vacuum Contactor for Mining (CKJ5)
Modèle NON.
CKJ5
Short-Time Operating Frequency(20s)
1000times/H
Mechanical Life Time
1,000,000times
Clearance Between Open Contacts
2.7-2.9millimètre
Over Travel
0.9-1.1millimètre
Marque déposée
VACEM
Origine
Wenzhou, Chine
La description
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
un. Température ambiante : -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
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
un. Température ambiante : -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
| Article | Unit | CKJ-5-1000~1250/1.14 | |
| Main circuit rated voltage | kV | 1.14 | |
| Main circuit rated current | UNE | 1000 | 1250 |
| Main circuit making capacity | A/100times | 6000 | |
| Main circuit breaking capacity | A/100times | 4500 | |
| Limit breaking capacity | A/3times | 5000 | |
| Electrical life AC3 | times | 600,000 | |
| Electrical life AC4 | times | 60,000 | |
| Mechanical life time | times | 1,000,000 | |
| Rated operating frequency AC3 | times/h | 600 | |
| Rated operating frequency AC4 | times/h | 120 | |
| Short-time operating frequency(20s) | times/h | 1000 | |
| Clearance between open contacts | millimètre | 2.8±0.1 | |
| Over travel | millimètre | 1.0±0.1 | |
4.Product show
5.International fairs