Instruction manual

KRB-5377
28
Table 14 Ratings of auxiliary and position switches
Auxiliary switches *1 *2
For general feeder For microload *3
Position switches
Voltage (V)
Resistive load (A)
Inductive load (A)
*4
Resistive load (A)
Inductive load (A)
*5
Resistive load (A)
Inductive load (A)
*5
AC100 - 250 5 5 0.1 0.1 11 6
AC251 - 500 5 5 - - - -
DC8 - - - - 10 6
DC30 1 1 0.1 0.1 6 5
DC125 - - - - 0.6 0.6
DC250 - - - - 0.3 0.3
DC125 - 250 1 1 - - - -
*1 Using b-contact results in contact chatter of 20 ms or less when the ACB opens or closes.
*2 Do not apply different voltages to contacts of a switch.
*3 Min. applicable load: DC5V/1 mA
*4 AC cosø ≥ 0.3, DC L/R ≤ 0.01
*5 AC cosø ≥ 0.6, DC L/R ≤ 0.007
Table 15 Ratings of operation indication contacts
Rated contact current (A)
Individual indication
Long-time delay trip, short-time delay trip,
instantaneous trip, pretrip alarm, ground fault trip,
system alarm
Spring charging/tripping operation
Voltage (V)
Resistive load (A) Inductive load (A) *1 Resistive load (A) Inductive load (A) *1
AC250 0.5 0.2 3 3
DC30 2 0.7 3 2
DC125 0.5 0.2 0.5 0.5
DC250 0.27 0.04 0.1 0.1
*1 AC cosø ≥ 0.6, DC L/R ≤ 0.007
Table 16 Ratings of N-phase CT
Type of ACB Type of N-phase CT Ratings (A)
200/5A 400/5A 800/5A
AR208S, AR212S, AR216S
AR212H, AR216H, AR316H
CW80-40LS
1250/5A 1600/5A
1600/5A 2000/5A 2500/5A
AR220S, AR325S, AR332S, AR440S
AR220H, AR320H, AR325H, AR332H
AR440SB,AR420H,AR440H
EC160-40LS
3200/5A 4000/5A