Type

The adjustable type

Frame Inm

Breaking capacity ICU/ICS(kA)

YCM7            RT                                 160                                                     M                                          Z

MCCB

RT: Therm-mag T/A: Therm

160, 250, 630, 800

Remark:

160 Frame upgrade from 125

250 Frame upgrade from 225

630 Frame upgrade from 400

M

50/35 50/35 50/35

P: Motor-driven
Z: Rotory handle
W: Direct
①: Motor-driven operation DC1, DC3

Poles

Tripping mode and inner accessory

Rated current(A)                                              Application

3                   300                                                                       160                                                                     2

2: 2P

3: 3P

4: 4P

First figure means tripping unit way 2: Only with magnetic release

3: Thermal release+,magnetic release body

Remark:

The last two figures means accessory code (see accessories list)

160       50-63, 63-80, 80-100,

100-125, 125-160

250       100-125, 125-160,

160-200, 200-250

400       200-250, 250-320, 320-400

630       400-500, 500-630

800       500-630, 630-800

1. Power distribution

2. Motor-protection

Option for 4P MCCB

Accessory voltage

Motor-driven operation voltage

Connection

Connection plate

A

Q1

D

Q

2

A: N pole without

UVT

Shunt

DC1                  DC3

Q: Front

1: W/O

protection,

N poleis always ON B: N pole without

Q1: AC220V

F1: AC220V

D1: AC220V      D5: AC220V

H: Rear

2: W

Q2: AC240V

F2: AC380V

D2: AC230V      D6: AC110V

C: Plug-in

Q3: AC380V

F3: DC110V

D3: AC380V      D7: DC220V

protection,

Q4: AC415V

F4: DC24V

D4: AC400V      D8: DC110V

N pole makes with the

J1: AC125V

D9: AC110~240V

other three poles

J2: AC250V

J3: DC125

J4: DC24V

Remark:

D10: DC100~220V

DC1, DC3 motor-driven operation

voltage see extenal accessories table.

Model

YCM7T/A-160 YCM7RT-160

YCM7T/A-250 YCM7RT-250

YCM7T/A-400/630 YCM7RT-400/630

YCM7T/A-800 YCM7RT-800

Breaking capacity

S

S

S,M

M

No. of poles

3

4

3

4

3,4

3,4

Code

Accessory name

208, 308

Alarm contact

210, 310

Shunt release

220, 320

Auxiliary contact

230, 330

Under-voltage release

240, 340

Shunt auxiliary contact

260, 360

Two groups auxiliary contacts

270, 370

Auxiliary contact UVT

218, 318

Shunt alarm contact

228, 328

Auxiliary alarm contact

238, 338

UVT alarm contact

248, 348

Shunt auxiliary alarm contact

268, 368

Two groups aux alarm contact

278, 378

Aux contact UVT alarm contact

280, 380

Two groups aux contact and shunt

Technical Data

Type

Frame(A)

Number of poles

Products

Rate current adjustable range(A)

Rated voltage Ue(V)

Rated insulation voltage Ui(V)

YCM7T/A-160S YCM7RT-160S

160

3,4

50-63,63-80,80-100,

100-125,125-160 AC400V

AC800V

25/18

3000

7000

●

●

Thermo-magnetic

YCM7T/A-250S YCM7RT-250S

250

3,4

100-125,125-160,

160-200,200-250, AC400V

AC800V

25/18

3000

7000

●

●

Thermo-magnetic

YCM7T/A-400S YCM7RT-400S

400

3,4

200-250,250-320,

320-400 AC400V AC800V

35/25

2000

4000

●

●

Thermo-magnetic

Short-circuit breaking capacity Icu/1cs(kA)

Operation life (cycle)

Motor-driven operation External rotary handle

Automatic tripping device

AC400V

ON  OFF