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EBS1W Air Circuit Breaker

General

EBS1W universal circuit breaker is suitable for distribution network with 50/60 Hz AC, 690V rated isolation voltage, 400V rated AC voltage and below, and 1000 ~ 6300A rated current.It is used to distribute electric energy and protect lines from overvoltage, undervoltage, short circuit, single-phase grounding and other faults, providing power supply reliability. It applied IEC60947-1 IEC60947-2 IEC60947-4-1.

Specifications

Series Frame A    EBS1W-2000 Frame B    EBS1W-3200 Frame C    EBS1W-4000 Frame D    EBS1W-6300
Standard   IEC60947-2 IEC60947-2 IEC60947-2 IEC60947-2
Rated current(In) A 400,630 2000,2500, 32,004,000 4000,5000,
8,001,000 2,903,200   6300
Intelligent controller M type  
H type  
Number of poles P 3,4 3,4 3 3,4
Rated current of N-pole 100%In 100%In 100%In 100%In
Ulitimate breaking capacity(Icu) 400V kA 80 100 100 120
690V kA 50 65 65 80
Rated service breaking capacity(Ics) 400V kA 50 80 80 100
690V kA 40 50 50 70
Rated short-time withstand current(Icw) 1S kA 50 65 65 100
Rated service voltage(Ui) V 690 690 690 690
Making time ms 30 30 30 30
Breaking time ms 60 60 60 60
Frequency Hz 50/60 50/60 50/60 50/60
Rated insulation voltage(Ui) V 1000 1000 1000 1000
Mechanical life With maintenance Times 10000 10000 10000 10000
Without maintenance Times 2500 2500 2000 2000
Electrical life(at rated current) Times 500 500 500 500
Ambient temperature Min./Max. C -5/40 -5/40 -5/40 -5/40
Altitude Max. m 2000 2000 2000 2000
Anti-pollution grade 3 3 3 3
 

Installation type

Fixed Horizontal
Vertical
Drawer Horizontal
Vertcal
 

Accessories

Under-Voltage release
Shunt release
Closing coil
Safety locks

Dimensions

EBASEE-EBS1W-Air-Circuit-Breaker.pdf
9 MB

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