The **GLVAC CKJ5-400/1.14** is a high-capacity AC vacuum contactor engineered for heavy-duty industrial applications requiring frequent making and breaking of electrical systems up to 1140V. Utilizing advanced vacuum interrupter technology, this model ensures safe switching by extinguishing electrical arcs within a hermetically sealed vacuum medium. Specifically designed for robust performance in demanding sectors such as mining, oil fields, and electrified railways, it offers a high current handling capacity of 400A combined with an exceptional mechanical life of one million cycles. Its stable isolation and low contact wear design make it a premier choice for mission-critical AC motor control and power distribution.
| Operating Voltage | 1140V (1.14kV) |
|---|---|
| Operating Current | 400A |
| Rated Making Capacity | 4000A (A/50 times) |
| Rated Breaking Capacity | 3200A (A/50 times) |
| Limited Breaking Capacity | 4500A (A/3 times) |
| Mechanical Life Time | 1,000,000 Cycles |
| Electrical Life Time | 60,000 Cycles |
| Control Power Voltage | 36V, 127V, 220V (Options) |
| Auxiliary Contact | 2 x NO + 1 x NC |
| Pick-up / Hold Power | 860W (Transient) / 28W (Hold) |
| Weight | 10.25 kg |
Download the official GLVAC CKJ5-400/1.14 datasheet for comprehensive technical documentation, including mounting blueprints, terminal layouts, and high-voltage performance data.