Characteristics Setting For The Wb Type - Mitsubishi Electric AE-SW Series Instruction Manual

Characteristics setting for the WB type

1
Note) The figure shows a model with an optional
MCR switch.
Table 25
No. Setting item Symbol
①
Rated current Ir
AE630-SW ~ AE1600-SW
AE2000-SW ~ AE3200-SW, AE4000-SW
INST/MCR AE2000-SWA, AE4000-SWA
⑥
Ii
pick-up current AE5000-SW
AE6300-SW
⑦
Pre-alarm current Ip
⑧
Pre-alarm time Tp
Remark (1) For WB relay, when Pre-alarm current Ip is set at "OVER", the Ip value is "I
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)
Ig (P.28)
⑦
⑧
6
7
Characteristic setting range
0.5 to 1.0 (0.05 step) x In (CT rating)
16-12-10-8-6-4-2-2-4-6-8-10-12-16
(INST)
12-10-8-6-4-2-2-4-6-8-10-12
(INST)
10-8-6-4-2-2-4-6-8-10
(INST)
Ir x 0.68 to 1.0 (0.04 step)-OVER
75 s at Ir x 2 (PAL contact output after passing 75 s)
Pre-alarm
current: Ip
Pre-alarm
time: Tp
⑥
INST/MCR
pick-up current: Ii
Current (%)
x Ir
(MCR)
WB1
x Ir
(MCR)
WB2
x Ir
(MCR) WB3
x 1.15".
r
Max. energizing time
Max. setting value
of external OCR
Up to Icw
Up to Icw
Max. shutoff time period
(0.05 s for AE4000-SW
to 6300-SW)
Factory
Accuracy
default value
— 1.0
WB1 ... 16 (INST)
WB2 ... 12 (INST)
±15%
WB3 ... 10 (INST)
±10% OVER
±20% −
E-25