Products

CKJ20-250A 400A 630A 800A2KV

CJK20 series of vacuum contactors main used for AC 50-60hz, main circuit rated voltage 1.6kv below the rated current from 630A-1000A power network systems for remote making and breaking and frequent starting and control of AC motors, transformers and capacitor banks and other occasions.

Advantages: good compatibility, stable and reliable performance, free maintenance and long service life, is old-fashioned contactor is the ideal substitute of products.

Main Tech-Parameter:

Model CKJ20-630/1140 CKJ20-800/1140
Main circuit rated voltage(V) 1140 1140
Main circuit rated current(A) 630 800
Main circuit making ability(A/10 Ops.) 6000 8000
Main circuit break-making ability(A/10 Ops.) 4800 6400
Maximum break ability(A/3 Ops.) 6000 7500
Electricity life AC3(Million times) 60
Electricity life AC4(Million times) 6
Mechanical life(Million times) 300
Rated operating frequency AC3(Ops./h) 600
Rated operating frequency AC4(Ops./h) 120
Short time operating frequency Ops./h(20S) 2000
Clearance between open contacts(mm) 2.5±0.3
Over travel(mm) ≥1

CKJ20 250A 400A 630A 800A2KV (5)