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

Characteristics setting for the WS type

1
2
Note) The figure shows a model with an optional
G1 setting module, a display, and an MCR switch.
Table 23
No. Setting item Symbol
①
Rated current Ir
②
Uninterrupted current Iu
③
LTD time T
L
④
STD pick-up current Isd
⑤
STD time Tsd
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 WS relay, Pre-alarm current "OVER" setting is lu 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 Iu Ip
Isd Ip2 (P.29)
Ii Load current LED (60, 80, 100%, OVER)
Ig (P.28)
6
3
5
4
7
Characteristic setting range
0.5 to 1.0 (0.05 step) x In (CT rating)
0.8 to 1.0 x Ir (0.02 step), pick-up current: 1.15 x Iu
12-25-50-100-150s at Iu x 2
1.5-2-2.5-3-4-5-6-7-8-9-10 x Ir
0.5-0.4-0.3-0.2-0.1-0.06- 0.06-0.1-0.2-0.3-0.4-0.5s
(I 2 t ON)
16-12-10-8-6-4-2-2-4-6-8-10-12-16
12-10-8-6-4-2-2-4-6-8-10-12
(INST)
10-8-6-4-2-2-4-6-8-10
(INST)
Iu x 0.68 to 1.0 (0.04 step)-OVER
1/2 T at Iu x 2 (PAL contact output after passing 1/2 of T
L
⑦
Pre-alarm
current: Ip
②
Uninterrupted
current: Iu
④
STD pick-up
current: Isd
⑤
STD time: Tsd
I 2 t ON
(ramp)
I 2 t OFF
⑥
INST/MCR pick-up
Current (%)
1.05 x Iu ..... Pick up not performed
1.25 x Iu ..... Pick up performed
(I 2 t OFF)
at Isd x 1.5 when the time set at 0.06s.
x Ir
(INST) (MCR)
WS1
x Ir
(MCR)
WS2
x Ir
(MCR) WS3
)
L
③
LTD time: TL
⑧
Pre-alarm
time: Tp
With MCR
Max. breaking time
(In case of AE4000-SW~
current: Ii
6300-SW, it is 0.05s)
Factory
Accuracy
default value
— 1.0
1.0
±20% 150
±15% 10
±20%
It operates in the range
0.5 (I t ON)
2
between 0.04 and 0.08s
WS1...16 (INST)
±15% WS2...12 (INST)
WS3...10 (INST)
±10% OVER
±20% −
E-23