Characteristics Setting Of Type Wm Relay - Mitsubishi Electric AE-SW Series Instruction Manual

Characteristics setting of type WM relay

1
2
Note: The figure includes the optional G1 setting
module, display and MCR.
Table 23
No. Setting item Mark
1 Current setting Ir
LTD pick-up current I
2
L
LTD time T
3
L
STD pick-up current Isd
4
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
Pre-alarm current Ip
7
Pre-alarm time Tp
8
The table shows data obtained on the breakers provided with MCR (optional). For breakers without MCR, the setting position for MCR is not provided.
When the WM relay is used, the pre-alarm current at the setting, OVER, is the same as that at 1.0.
Relation of setting dial
In (CT rating) Ir (Fixed)
Ig(Page 25)
6
3
5
4
7
Adjustable setting range
0.63 ~ 1.0 ✕ In (Adjust by factory : Fixed)
1.0-1.05-1.1-1.15-1.2 ✕ Ir
15-20-25-30-40-60s at I
1.5-2-2.5-3-3.5-4-4.5-5 ✕ 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)
I ✕ 0.68 ~ 1.0 (0.04step)-OVER
L
1/2 T at I ✕ 1.2 (after 1/2T , PAL contact output turns on.)
L L L
I Ip
L
Isd Ip2 (Page 26)
Ii Load current LED (40, 60, 80, 100)
7 Pre-alarm
current: Ip
2 LTD pick-up
current: I
L
4 STD pick-up
current: Isd
5 STD time: Tsd
I 2 t ON
2
I t OFF
6
Current (%)
✕ 1.2
L
(I 2 t OFF)
when the time set at 0.06s.
at Isd ✕ 1.5
✕ Ir
(INST) (MCR)
WM1
✕ Ir
(MCR)
WM2
✕ Ir
(MCR)
WM3
3 LTD time: T
L
8
Pre-alarm
time: Tp
With MCR
Max. breaking time
INST Pick-up
(In case of AE4000-SW~
current: Ii
6300-SW, it is 0.05s)
Factory default
Accuracy
value
Comply with
—
ordering sheet
±5% 1.15
±20% 20
±15% 5
±20%
It operates in the range
0.5 (I
between 0.04 and 0.08s
WM1···16 (INST)
±15%
WM2···12 (INST)
WM3···10 (INST)
±5% OVER
±20%
—
2 t ON)
E − 23