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

Characteristics setting of type WB relay

1
Note: The figure include MCR function.
Table 24
No. Setting item Mark
Current setting Ir
1
AE630-SW~AE1600-SW
AE2000-SW~AE3200-SW, AE4000-SW
INST/MCR AE2000-SWA, AE4000-SWA
Ii
6
pick-up current AE5000-SW
AE6300-SW
Pre-alarm current Ip
7
8 Pre-alarm time Tp
The table shows data obtained on the breakers provided with MCR (optional). For breakers without MCR, the setting position for MCR is not provided.
Relation of setting dial
Ir
In (CT rating) Ii
Ip
Ip2 (Page 26)
Load current LED (60, 80, 100, OVER)
Ig (Page 25)
E − 24
7
8
6
7
Adjustable setting range
0.5 ~ 1.0 (0.05step) ✕ 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 ✕ 0.68 ~ 1.0 (0.04step)-OVER
75s at Ir ✕ 2 (after 75s, PAL contact output turns on.)
Pre-alarm
current: Ip
Pre-alarm
time: Tp
6 INST pick-up
current: Ii
Current (%)
✕ Ir
(MCR)
WB1
✕ Ir
(MCR)
WB2
✕ Ir
(MCR)
WB3
Max. setting of
let-through current
Max. setting of
external OCR
Up to Icw
Up to Icw
Max. breaking time
(In case of AE4000-SW~
6300-SW, it is 0.05s)
Factory default
Accuracy
value
— 1.0
WB1···16 (INST)
±15% WB2···12 (INST)
WB3···10 (INST)
±10% OVER
±20% —