Vacuum Contactor
Pentagon Switchgear Private Limited Manufactures Single pole / Three pole VACUUM CONTACTOR of Ratings 7.2KV/12KV, 400A / 800A with Electrical latch and Mechanical Latch types. These Vacuum contactors are manufactured using strict quality checks. Vacuum contactors can be supplied as fixed type or Trolley type. These contactors can be used for versatile applications such as high voltage motors, transformers, capacitors for improving power factor, electric furnace etc…
Features
Our Vacuum Contactors have the following special properties,
- High breaking capacity
- Long service life
- Low maintenance
- Compact design
- Safe & reliable
- Can be well operated even in worst environment condition and frequent operation
- Mechanical interlock for forward and reverse operation
- Single Phase Protection Shall be achieved
- Easy to install
- Suitable for High switching Frequency
Technical specification
| APPLICABLE STANDARDS | IEC 470 (1974) / IS 9046 (1978) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Type | PSGVC-3.6 | PSGVC-7.2 | |||||||||
| Rated Insulation Voltage | KV | 3.6 | 7.2 | ||||||||
| Rated Operational Voltage | KV | 3.3 | 6.6 | ||||||||
| Rated Operational Current | Amps | 400 | 400 | ||||||||
| Rated Frequency | Hz | 50/60 | |||||||||
| Interrupting Current Duty 0 - 2 min – CO | Amps | 6300 | 6300 | ||||||||
| Making Current | Amps | 4000 | |||||||||
| Breaking Current | Amps | 3200 | |||||||||
| Short Time Current | Amps (RMS) | 4400Amps for 12secs 8000Amps for 1sec. |
|||||||||
| Rated short duration Power frequency withstand voltage | KV | 10 | 20 | ||||||||
| Rated Lighting Impulse Withstand Voltage | KV | 40 | 60 | ||||||||
| Switching Frequency | Times/Hr | 1200 | |||||||||
| Endurance | Mechanical Life | operations | 1 million | ||||||||
| Electrical Life | Operations | 0.25 Million | |||||||||
| Closing Speed | m/sec | 0.4 – 0.6 | |||||||||
| Opening Speed | m/sec | 0.6 – 0.8 | |||||||||
| Closing Time | ms | 105 – 150 | 105 – 150 | ||||||||
| Opening Time | ms | 25 – 40 | 25 – 40 | ||||||||
| Rated Control Voltage | Volts | 110 / 220 AC / DC | |||||||||
| Minimum Pickup Voltage | 85 % or less of rated control voltage | ||||||||||
| Maximum Trip Voltage | 40% or less of rated control voltage | ||||||||||
| Contacts arrangement | 4NO – 4NC | ||||||||||
| Maximum applicable Load Capacity | Motor | KW | 1500 | 3000 | |||||||
| Transformer | KVA | 2500 | 5000 | ||||||||
| Capacitor (with reactor) | kVAR | 2000 | 2000 | ||||||||
