CKJP Series Single-pole AC Vacuum Contactor. Vacuum contactor is an new power switch device developed since 60s, which has low voltage vacuum interrupter as the make-and-break component.
Its conductive contact is sealed in the vacuum shell which has vacuum as the insulation and arc-extinguishing medium. Due to electric arc not exposed, it has features of safety and reliability, low noise, frequently operating, little maintenance, as well as small size and strong breaking capacity. Therefore, this product has been used widely in each power system.
CKJP series single-pole AC vacuum contactor (short as contactor) is used in the power circuit of AC 50 Hz, rated voltage 220 V, rated current 125A, 250A, and 400A. It is used for controlling welding machine, resistance switching of slip ring type asynchronous motor rotor circuit, heater, and lighting, which also can be used for remote making and breaking circuit.
Normal using condition:
- Altitude: ≤2000m;
- Ambient temperature: +40℃≥ -25℃;
- Related humidity: monthly average maximum ≤90% (at monthly average minimum temperature 25℃);
- Slant angle between installation surface and vertical surface is not more than 15°; installing class is class Ⅲ
- Places without intense impact, vibration, or shock;
- In the medium without explosion danger, gas or dust which can erode metal and destroy insulation;
- Places away from rain an d snow.
- Rated operating current: 125A, 250A, 400A;
- Making and breaking capacity of main circuit: making 2000A, breaking 1500A;
- Limit breaking capacity: 3500A, 6000A;
- Electric life: more than 600000 times;
- Mechanical life: more than 1.5 million times;
The operating system of the contactor is divided into interrupted long term operating system and repeated operating system. The operating frequency of AC-1 and AC-5 load is 600 time/h, while operating frequency of short-time operating system (operating time is not more than 20) is 3000 time/h.
Note: Customized products are available. You can ask Data Sheet List for this product before order: This email address is being protected from spambots. You need JavaScript enabled to view it.or This email address is being protected from spambots. You need JavaScript enabled to view it.
