Characteristic Setting Of Optional Setting Module - Mitsubishi Electric AE-SW Series Instruction Manual

Characteristic setting of optional setting module

< Characteristics setting of G1 module >
1
¡When the 3pole breaker is used on a 3phase-4wires system, the
neutral CT (NCT) is required for ground fault protection. As for the
NCT installation, refer to instruction manual (included in the product).
✽
¡In the case of low-rating of AE630-SW, G1 module can not be
mounted.
✽ AE630-SW low rating type: 500A, 315A and 250A
Table 25-1
No. Setting item Mark
Ground fault
Ig
1
pick-up current
3.0-1.5-0.8-0.5-0.3-0.15- 0.1 - 0.1-0.15-0.3-0.5-0.8-1.5-3.0 s
Ground fault
(TRIP)
Tg
2
time
< Characteristic setting of E1 module >
By combining the ETR with Earth leakage protection(ER) and
External ZCT, earth leakage protection is possible. Control
supply is necessary for this function.
ZCT for load circuit
ZCT types ACB types, poles
AE630-SW ~ AE1600-SW 3P
ZCT163
AE630-SW ~ AE1600-SW 4P
ZCT323
AE2000-SW ~ AE3200-SW 3P
ZCT324 AE2000-SW ~ AE3200-SW 4P
As for outline dimensions, refer to AE-SW catalogue,
and make your choice in reference to the BUSBAR size.
ZCT with primary conductors
ZCT types ACB types, poles
AE630-SW ~ AE1600-SW 3P
ZTA1200A
ZTA2000A AE1250-SW ~ AE1600-SW, AE2000-SWA 3P
ZCT for ground wire of transformer types
ZCT types
ZT15B ZT30B ZT40B
¡Be sure to combine with ZCT of our products.
¡As for the ZCT installation, reter to instruction manual (included in
the product).
Table 25-2
No. Setting item Mark
ER pick-up
IΔn
q
current
3-1.5-0.8-0.5-0.3-0.15- 0.1s - 0.1-0.15-0.3-0.5-0.8-1.5-3 s
ER time Te (TRIP)
w
2
Adjustable setting range
0.1 to 1.0✕In (0.1 steps)
(ALARM)
(at 1.5 × Ig)
ZT60B ZT80B ZT100B
Adjustable setting range
1A-2A-3A-5A-10A
(ALARM)
(at 1.5 × IΔn)
Accuracy Setting for shipment
±20% 1.0
Note: If the ground fault current setting Ig is 0.1, it is neces-
sary to control the power supply. (Ground fault pro-
±20% 3s(TRIP)
tection does not operate correctly without power
supply.)
1A
Accuracy Setting for shipment
0%
10A
–30%
±20% 3s(TRIP)
1 Pick-up current: Ig
0.1 1.0
3.0±20%
2 Operating time: Tg
0.15±20%
0.1
(0.04 to 0.1s)
Ground fault current (% of CT rating In)
1
1 Pick-up current: IΔn
10A
3.0s±20%
2 Operation time: Te
0.15s±20%
0.1s
(0.04 ~ 0.1s)
Earth leakage current (A)
2
E − 25