Category
6-10kV MV Vacuum Contactor/Switch for Capacitor Case and Switchgear, VACZ5-160,250,400,630A/7.2(12)
1. General description
VACZ5 series AC mv 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 vacuum contactor complies with GB/T 14808, IEC 60470 and JB/T 7122 standard, the main performance indicators have reached the international level.
The Technical Specifications of this vacuum contactor define its electrical and mechanical parameters for AC motor control and capacitor switching applications in medium-voltage power systems. This mv vacuum contactor is suitable for power systems of AC three-phase 50Hz with rated current up to 630A and rated voltage of 12kV and 7.2kV, designed for remotely making and breaking circuits, frequently starting and controlling AC motors. The 6kv-10kv vacuum contactor can also be combined with fuses and protectors to replace vacuum circuit breakers in certain applications. This vacuum contactor complies with GB/T 14808, IEC 60470, and JB/T 7122 standards, with main performance indicators reaching international levels. The mv vacuum contactor is available in rated currents of 160A, 250A, 400A, and 630A for both 7.2kV and 12kV voltage classes. This 6kv-10kv vacuum contactor offers 4s thermal stability current matching the rated current values, making capacity of up to 6000A per 100 operations, and breaking capacity of up to 5040A per 25 operations. Each vacuum contactor is ideal for frequent switching operations in demanding industrial environments. Proper installation of this mv vacuum contactor ensures reliable performance in switchgear and capacitor bank applications.
2. Main technical parameter
Item | 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 | 1,000,000 | |||||||
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 | |||||||
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