Long-Lasting Mv Vacuum Contactor for Mining Gear

Long-Lasting Mv Vacuum Contactor for Mining Gear image

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Basic Info.

Model NO.

CKJ5-1.14KV/250A

Main Circuit P.F. Withstand Voltage

1.14kv

Transport Package

Carton and Pallet

Trademark

Liyond

Origin

Wenzhou, China

Production Capacity

2000/Month

Product Description

Product Description:

This series of contactors, manufactured by Yueqing Liyond Electric Co., Ltd., utilizes vacuum switch tubes as arc extinguishing components. These contactors boast features such as arc flash prevention, long lifespan, noiseless operation, compact size, and high reliability. They are designed for use in AC power networks with a frequency of 50/60 Hz and a rated operating voltage of 1140 volts. These contactors are ideal for connecting and disconnecting circuits, forming electromagnetic starters when paired with suitable thermal relays or electronic protection devices, and integrating with related protection equipment. They are particularly well-suited for creating explosive electromagnetic starters and various power control panels. This product is highly recommended for industries like coal, petroleum, chemical, metallurgy, machinery, transportation, and power.

Technical parameters

Main circuit rated voltage	kV	1.14
Main circuit rated current	A	80	125	160	250	400	630
Main circuit making capacity	A/100times	800	1250	1600	2500	4000	6300
Main circuit breaking capacity	A/100times	1000	1000	1000	2000	3200	4800
Electrical life AC3	Ten-thousand times	60
Electrical life AC4	Ten-thousand times	6
Mechanical life time	Ten-thousand times	300
Rated operating frequency AC3	times/h	600
Rated operating frequency AC4	times/h	120
Short-time operatin	times/h	2000
Clearance between open contacts	mm	1.8±0.1			2.0±0.1
Over travel	mm	1.0±0.1			1.0±0.1		1.0±0.1
Contact circuit P/F. withstand voltage	kV	2
Closing time	ms	≤100
Opening time	ms	≤80

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