advanced LSIG electronic protection (Long-time, Short-time, Instantaneous, Ground fault) and an extra high breaking capacity of 100kA at 440VAC, ensuring reliable interruption of extreme fault currents. Compliant with IEC 60947-2, the AR440SB offers Ics = 100% Icu and Icw = 100% Icu, delivering superior mechanical and electrical performance for mission-critical installations.
Designed for industrial, commercial, and utility power distribution
Heavy-duty construction for long service life
Product Specifications
Product type
digital air circuit breaker
series
tempower2
poles
4 pole
mounting type
draw-out / fixed
rated frame current
4000 a
current setting range
1600 – 4000 a
protection type
lsig electronic
breaking capacity
100 ka @ 440vac
operating mechanism
stored energy, draw-out type
standard
iec 60947-2
ics rating
100% of icu
icw rating
100% of icu
trip memory
yes
digital features
real-time monitoring, trip diagnostics
application
main incomer and high-fault distribution networks
Product Details
advanced LSIG electronic protection (Long-time, Short-time, Instantaneous, Ground fault) and an extra high breaking capacity of 100kA at 440VAC, ensuring reliable interruption of extreme fault currents. Compliant with IEC 60947-2, the AR440SB offers Ics = 100% Icu and Icw = 100% Icu, delivering superior mechanical and electrical performance for mission-critical installations.