ENGLISH
E-25
Characteristics setting for the WB type
1
6
7
Note) The figure shows a model with an optional
Table 25
No.
①
⑥
⑦
⑧
Symbol
Ir
Ii
Ip
Tp
Characteristic setting range
0.5 to 1.0 (0.05 step) x In (CT rating)
Ir x 0.68 to 1.0 (0.04 step)-OVER
75 s at Ir x 2 (PAL contact output after passing 75 s)
Accuracy
—
±15%
±10%
±20%
Factory
default value
1.0
WB1
…
16 (INST)
WB2
…
12 (INST)
WB3
…
10 (INST)
OVER
−
Setting item
Rated current
INST/MCR
pick-up current
Pre-alarm current
Pre-alarm time
(INST) (MCR)
(INST) (MCR)
(INST) (MCR)
WB3
WB2
WB1
Remark (1) For WB relay, when Pre-alarm current Ip is set at “OVER”, the Ip value is “I
r x 1.15”.
Remark (2) The table shows data obtained on the breakers provided with MCR (optional).
Systematic diagram of setting dial coordination
In (CT rating)
Ir
Ii
Ip
Load current LED (60, 80, 100%, OVER)
AE2000-SWA, AE4000-SWA
AE5000-SW
AE6300-SW
16-12-10-8-6-4-2-2-4-6-8-10-12-16
x Ir
x Ir
x Ir
12-10-8-6-4-2-2-4-6-8-10-12
10-8-6-4-2-2-4-6-8-10
AE630-SW ~ AE1600-SW
AE2000-SW ~ AE3200-SW, AE4000-SW
Up to Icw
Up to Icw
⑦
Pre-alarm
current: Ip
⑧
Pre-alarm
time: Tp
Current (%)
Max. energizing time
Max. setting value
of external OCR
Max. shutoff time period
(0.05 s for AE4000-SW
to 6300-SW)
⑥
INST/MCR
pick-up current: Ii
Operating time (s)