Name: Vacuum Electromagnetic Starter and ac vacuum contactor for mine
Brand: bafang
Availability: InStock

Product Details

Vacuum Electromagnetic Starter and ac vacuum contactor for mine

Detail description

This series vacuum contactor adopts advanced and reliable permanent magnet operator, After closing by the permanent magnet to maintain, without power supply long-term charged, realize without pressure operation, high reliability, has excellent open circuit function,

Used for AC 50-60Hz rated voltage 250a ,main circuit rated voltage 1.14kv below power network systems for remote making and breaking and frequent starting and control of AC motors, transformers and capacitor banks and other occasions.

Main Tech-Parameter

CKJ5 Series vacuum contactor 80A -800A
Detail Tech parameter	250/1140	400/1140	80/1140	125/1140	160/1140	630/1140	800/1140
Main circuit rated voltage (V)	1140	1140	1140	1140	1140	1140	1140
Main circuit rated current (A)	250	400	80	125	160	630	630
Combiner closing capacity (A/100times)	2500	4000	800	1250	1600	6000	6000
Main circuit break-make ability (A/10times)	2000	3200	640	100	1280	5000	5000
Maximum break ability (A/3times)	4000	4500	1600	2500	3200	6000	6000
Electricity life AC3(times)	60 0000	60 0000	60 0000	60 0000	60 0000	60 0000	60 0000
Electricity life AC4 (times)	10 0000	10 0000	6 0000	6 0000	6 0000	10 0000	10 0000
Mechanical life (times)	100 0000	100 0000	100 0000	100 0000	100 0000	100 0000	100 0000
Rated operate frequency AC3 (times/h)	300	300	600	600	600	300	300
Rated operate frequency AC4 (times/h)	120	120	300	300	300	120	120
Clearance betweenopen contacts (mm)	2±0.2	2±0.2	1.8±0.2	1.8±0.2	1.8±0.2	2.5±0.2	2.5±0.2
Over travel (mm)	1±0.2	1±0.2	0.6±0.2	0.6±0.2	0.6±0.2	1±0.2	1±0.2
Secondary control voltage (v)	AC&DC:36v 110v 127v 220v 380v 440v can be customized