Characteristics setting for the WM type. Mitsubishi Electric AE2000-SWA, AE4000-SW, Low-Voltage Air Circuit Breakers series Type AE-SW, AE3200-SW, AE630-SW

Characteristics setting for the WM type

⑦ Pre-alarm current: Ip

② LTD pick-up

current: I

L

③ LTD time: T

L

⑧ Pre-alarm

time: Tp

④ STD pick-up

current: Isd

⑤ STD time: Tsd

1

2

6

3

5

4

With MCR

7 I 2 t ON

(ramp)

I 2 t OFF

⑥ INST/MCR pick-up

current: Ii

Max. breaking time

(In case of AE4000-SW~

6300-SW, it is 0.05s)

Note) The figure shows a model with an optional G1 setting module, a display, and an MCR switch.

Current (%)

Table 24

No.

①

②

③

④

Setting item

Rated current

LTD pick-up current

LTD time

STD pick-up current

Symbol

Ir

I

L

T

L

Isd

⑤

⑥

⑦

⑧

STD time

INST/MCR pick-up current

Pre-alarm current

Pre-alarm time

Tsd

Ii

Ip

Tp

Characteristic setting range Accuracy Factory default value

Set to the specified value at the factory Note 1)

1.0-1.05-1.1-1.15-1.2 x Ir

15-20-25-30-40-60s at I

L

x 1.2

1.5-2-2.5-3-3.5-4-4.5-5 x Ir

—

±5%

±20%

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) (I 2 t OFF) at Isd x 1.5

AE630-SW ~ AE1600-SW

AE2000-SW ~ AE3200-SW

AE4000-SW

16-12-10-8-6-4-2-2-4-6-8-10-12-16

(INST) (MCR)

WM1

AE2000-SWA, AE4000-SWA

AE5000-SW

12-10-8-6-4-2-2-4-6-8-10-12 x Ir

(INST) (MCR)

WM2

AE6300-SW

10-8-6-4-2-2-4-6-8-10 x Ir

(INST) (MCR)

WM3

I

L

× 0.68 to 1.0 (0.04 step) -OVER

1/2 T

L

at IL × 1.2 (PAL contact output after passing 1/2 of T

L

)

±15%

±20% Note 2)

It operates in the range between 0.04

and 0.08s when the time set at 0.06s.

±15% Note 2)

±5%

±20%

To be complied with ordering indication

1.15

20

5

0.5 (I 2 t ON)

WM1…16 (INST)

WM2…12 (INST)

WM3…10 (INST)

OVER

—

Remark (1) For WM relay only, when Pre-alarm current Ip is set a “OVER” the Ip value becomes equal to “I

L x 1.0”.

Remark (2) The table shows data obtained on the breakers provided with MCR (optional).

Systematic diagram of setting dial coordination

In (CT rating) Ir (Fixed) I

L

Ip

E-24

Ig (P.28)

Isd

Ii

Ip2 (P.29)

Load current LED (40, 60, 80, 100%)

Note 1) CT rating 250 A and 315 A can be set in 0.1 A steps, and

500 A or higher can be set in 1 A steps.

Note 2) When used without voltage applied to the control power supply (ETR power supply module) Tsd, Ii operation time may increase max. 20ms.