Cabinet No. Circuit Breaker Category
Trip Threshold Trip Time Setting
l1=0.4–1.0*ln
Threshold step: 0.01*ln
t1=3–144S
Time Step: 3S (3*l1)
lr1=1.0*ln=3200A
t1=96s (3*lr1)
l2=0.6–10*ln
Threshold step: 0.1*ln
t2=0.05–0.8S
Time Step: 0.01S
l3=1.5–15*ln
Threshold step: 0.1*ln
Instantaneous Ir3=15xln=48000A
l4=0.2–10*ln
Threshold step: 0.02*ln
t4=0.1–1.0S
Time Step: 0.05S
Ir4=0.4xln=1280A
l1=0.4–1.0*ln
Threshold step: 0.01*ln
t1=3–144S
Time Step: 3S (3*l1)
Ir1=1.0xln=2500A
t1=69s (3*lr1)
l2=0.6–10*ln
Threshold step: 0.1*ln
t2=0.05–0.8S
Time Step: 0.01S
l3=1.5–15*ln
Threshold step: 0.1*ln
Instantaneous Ir3=15xln=37500A
l1=0.4–1.0*ln
Threshold step: 0.01*ln
t1=3–144S
Time Step: 3S (3*l1)
Ir1=1.0xln=3200A
t1=18s (3*lr1)
l2=0.6–10*ln
Threshold step: 0.1*ln
t2=0.05–0.8S
Time Step: 0.01S
Ir2=5.4xln=17280A
t2=0.24s
l3=1.5–15*ln
Threshold step: 0.1*ln
Instantaneous Ir3=15xln=48000A
l1=0.4–1.0*ln
Threshold step: 0.01*ln
t1=3–144S
Time Step: 3S (3*l1)
Ir1=1.0xln=3200A
t1=18s (3*lr1)
l2=0.6–10*ln
Threshold step: 0.1*ln
t2=0.05–0.8S
Time Step: 0.01S
Ir2=5.4xln=17280A
t2=0.24s
l3=1.5–15*ln
Threshold step: 0.1*ln
Instantaneous Ir3=15xln=48000A
l1=0.4–1.0*ln
Threshold step: 0.01*ln
t1=3–144S
Time Step: 3S (3*l1)
Ir1=1.0xln=3200A
t1=6s (3*lr1)
l2=0.6–10*ln
Threshold step: 0.1*ln
t2=0.05–0.8S
Time Step: 0.01S
Ir2=3.9xln=12480A
t2=0.14s
l3=1.5–15*ln
Threshold step: 0.1*ln
Instantaneous Ir3=15xln=48000A
l1=0.4–1.0*ln
Threshold step: 0.01*ln
t1=3–144S
Time Step: 3S (3*l1)
Ir1=1.0xln=3200A
t1=3s (3*lr1)
l2=0.6–10*ln
Threshold step: 0.1*ln
t2=0.05–0.8S
Time Step: 0.01S
l3=1.5–15*ln
Threshold step: 0.1*ln
Instantaneous Ir3=15xln=48000A
Overload Protection: L (Touch screen setting)
Time-delayed overcurrent protection: S (Touch screen setting)
Instantaneous overcurrent protection: I (Touch screen setting)
Earth fault protection: G (Touch screen setting)
Overload Protection: L (Touch screen setting)
Time-delayed overcurrent protection: S (Touch screen setting)
Instantaneous overcurrent protection: I (Touch screen setting)
Overload Protection: L (Touch screen setting)
Time-delayed overcurrent protection: S (Touch screen setting)
Instantaneous overcurrent protection: I (Touch screen setting)
Overload Protection: L (Touch screen setting)
Time-delayed overcurrent protection: S (Touch screen setting)
Instantaneous overcurrent protection: I (Touch screen setting)
Overload Protection: L (Touch screen setting)
Time-delayed overcurrent protection: S (Touch screen setting)
Instantaneous overcurrent protection: I (Touch screen setting)
Overload Protection: L (Touch screen setting)
Time-delayed overcurrent protection: S (Touch screen setting)
Instantaneous overcurrent protection: I (Touch screen setting)