1.14KV Vacuum Contactor
Home Products Vacuum Contactor1.14KV Vacuum Contactor
1.14kV vacuum contactors are superior for medium-voltage, high-current, and harsh environments due to their vacuum interruption technology, long lifespan, and high reliability. If your application involves mining, heavy industry, or high-power motor control, 1.14kV is the better choice. For lower-voltage (690V) and lower-power applications, a standard AC contactor may suffice.
63A Vacuum Contactor
GVC5-63A/1140V Vacuum Contactor
160A Vacuum Contactor (80A 125A 160A)
GVC5-80A/1140V, GVC5-125A/1140V, GVC5-160A/1140V
250A Vacuum Contactor
GVC5-250A/1140V
400A Vacuum Contactor GVC5-400A/1140V
GVC5-400A/1140V
630A Vacuum Contactor
GVC313-630A/1140V
GVC3-800/1000/1250A 3 pole vacuum contactors
GVC3-800A/1140V, GVC3-1000A/1140V, GVC3-1250A/1140V
GVC7-1600A 3 pole vacuum contactors
GVC7-1600A/1140V
2000A 2600A 3200A Vacuum Contactor
GVC611-2000A/1.5KV, GVC611-2600A/1.5KV, GVC611-3200A/1.5KV
GVC7-1600A 2 pole vacuum contactor
GVC7-1600A/1140V.
EVS-200 vacuum contactors
EVS-200A/1.2KV MINE CONTACTOR
1.14kV Vacuum Contactor vs. 690V Ac Contactor
|
Factor |
1.14kV Vacuum Contactor |
690V AC Contactor |
Advantage of 1.14kV |
|---|---|---|---|
|
Voltage Level |
1.14kV (1140V) |
690V |
Higher voltage handling for medium-voltage systems. |
|
Current Capacity |
Typically 63A–3200A |
Typically up to 1000A |
Better for high-power loads. |
|
Arc Extinction |
Vacuum interrupter (no air/gas arc) |
Air/electromagnetic arc quenching |
No maintenance, longer lifespan. |
|
Switching Frequency |
High-frequency operation (millions of cycles) |
Lower mechanical endurance |
Better for frequent start/stop applications. |
|
Size & Efficiency |
Compact for medium-voltage use |
Bulkier for same current rating |
Space-saving in high-power setups. |
|
Safety & Reliability |
No fire risk (vacuum sealed) |
Possible arcing in air-based contactors |
Safer in explosive environments (e.g., mines). |
|
Lifespan |
500,000–1M operations |
~100,000–300,000 operations |
Lower replacement cost long-term. |
When to Use 1.14kV vs. 690V?
✔ Choose 1.14kV if:
-
Your system operates at 1.14kV (common in mining, heavy industry).
-
You need higher current handling (e.g., 1000A+).
-
You require maintenance-free, long-life switching.
-
Your application is in harsh environments (dust, humidity, explosive atmospheres).
✔ Choose 690V if:
-
Your system voltage is 690V or below.
-
Your current requirements are below 1000A.
-
Cost is a major factor (690V contactors are generally cheaper).
