General descriptionThis series of vacuum contactors is designed to
cater to power networks with an AC frequency of 50Hz. The main
circuit rated voltage is 1140v, and the rated current can go up to
630A. It is ideal for making, breaking, frequently starting, and
controlling AC motors. Additionally, it can be used to form a
magnetic starter with a variety of protection devices, such as the
JDB electronic integrated protector, JR9 type over current
protection device, and resistance-capacitance absorber. This vacuum
contactor is particularly suitable for forming an anti-explosion
magnetic starter.The contactor conforms to IEC 60947-4-1, GB/T
14048.4, and JB/TN 7122 standards. Its main performance indicators
have reached the international level, making it a reliable and
efficient choice for various applications. This product is
available in two operation mechanism types: coil operation
mechanism type and permanent magnet operation mechanism type. The
coil operation mechanism type is the most commonly used, but
customers can choose the suitable type according to their specific
application needs. Main technical
parameter ItemUnit63A80A125A160A250A400A630AMain circuit rated
voltagekV1.14Main circuit rated currentA6380125160250400630Main
circuit making capacityA/100times63080012501600250040006300Main
circuit breaking capacityA/100times50464010001280200032005040Main
circuit P.F. withstand voltagekV10Electrical life AC3Ten-thousand
times60Electrical life AC4Ten-thousand times6Mechanical life
timeTen-thousand times100 Rated operating frequency
AC3times/h600Rated operating frequency AC4times/h120Short-time
operating frequency(20s)times/h2000Clearance between open
contactsmm1.5±0.11.8±0.12.0±0.12.2±0.1Over
travelmm0.8±0.11.0±0.11.0±0.11.0±0.1Contact circuit P/F.
withstand voltagekV2Closing timems≤100Opening timems≤80
Packaging For Vacuum Circuit
Breaker, pls click: https://china-vacem.en.made-in-china.com/product-group/roqEnxmCTUYh/Vacuum-Circuit-Breaker-catalog-1.htmlInternational
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