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DGL-125¡«630A Series Load Isolation Switch
Service environment
¡ôDGL load-isolation switch can operate under the following conditions;
¡ôAltitude not more than 2000m;
¡ôThe range of ambient temperature is from 5¡æ to 40¡æ;
¡ôRelative humidity not more than 95%;
¡ôThe environment without any explosive medium;
¡ôThe environment without any rain or snow attacking.
¡ôNote: If the product is expected to be used in the environment where temperature is over +40¡æ or below -5¡æ¡«-45¡æ, users shall tell it to the manufacturer.

Type Designation
AC 50Hz, rated voltage 660V, DC rated voltage 440V, rated current 1600A. It is used for making and breaking circuit infrequently.
Table
One NO and one NC
11
NO+NC
Two NO and Two NC
22
2NO+2NC

Example for lectotype: Rated current 630A, include neutral pole transferring loadisolation switch, DGL Z-630A/4J for operating outside of cabinet
DGL Loadisolation switch can be divided into 18 specs from 125A to 4000A, it is the basic type of module design, it has three poles and four poles (three poles + switch neutral pole), applied to make and break circuit or electric isolate, over 1000A is only for electric isolation.
Symbol window on front face indicates the contact on-off state.
Operation mode
Direct operation: The handle is installed in the middle of switch directly.
Operate outside of cabinet: The handle is installed outside of distribution cabinet.
It can be assembled two groups auxiliary contacts.
Electrical Properties and Mechanical Properties

Conventional heating current lth A
125A
160A
200A
250A
315A
400A
500A
630A
1000A
1250A
1600A
2000A
2500A
3150A
4000A
Rated insulation voltage Ui(V)
750
750
750
750
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
Dieiectric stength V
5000
5000
5000
5000
8000
8000
8000
8000
10000
10000
10000
10000
10000
10000
10000
Rated impaction withstand voltage Uimp KV(Installation sort IV)
8
8
8
8
12
12
12
12
12
12
12
12
12
12
12

Rated working current le(A)

400V  AC21B

      AC22B

      AC23B

125

125

125
160

160

160
200

200

200
250

250

250

315

315

315
400

400

340
500

500

425

630

630

500
1000

1000

800
1250

1250

1000
1600

1600

1250
2000

2000

1250
2500

2500

1250
3150

2500

1250
4000

2500

1250
750V  AC21B

      AC22B

      AC23B
125

125

80
160

160

80

160

160

100
200

160

125
315

315

125

400

315

125
400

315

125
500

315

125
1000

800

400
1000

800

400
1600

800

500
2000

2000

1000
2500

2000

1000
3150

2000

1000
4000

2000

1000

220V  DC21

      DC22

      DC23 
125

125

125
160

160

125
200

200

160
250

250

200
315

315
400

400
500

400
630

500

440V  DC21

      DC22

      DC23 
100

100

100
125

125

125
160

160

160
200

200

200
315

315
400

400
400

400
500

500

Motor power P(KW)

400V

750V
63

75
80

75
100

90
132

110
160

185
220

185
280

185
315

185
560

475
560

475
560

475
710

750
710

750
710

750
710

750

Overload capacity

Rated short-time withstand current lcw(KA Rms)0.1S/1.0S
20/10
20/10
30/12
30/12
45/20
45/20
50/25
50/25
90/50
90/50
90/50
90/50
90/50
90/50
90/50
Making and break capacity
Rated making capacity lcn(A Rms)AC23B 400V
1250
1250
2000
2000
3150
4000
4000
4000
10000
10000
10000
10000
10000
10000
10000
Rated breaking capacity lcm(A Rms)AC23B 400V
1000
1000
1600
1600
2500
3200
3200
3200
8000
8000
8000
8000
8000
8000
8000
Rated short-ciruit making capacity lcm(KA peak value)
12
12
17
17
30
30
40
40
70
70
70
70
70
70
70
Mechanical life(rotation operation time)
10000
10000
10000
10000
5500
5500
5500
5500
4000
4000
3000
2500
2500
2500
2500

Electrical life(ratation operation time)

Rated voltage Ue=660V Rated current le
COS¡Ó£½0.95 AC21B
COS¡Ó£½0.65 AC22B
COS¡Ó£½0.35 AC23B


1500
1000
500

1500
1000
500

1500
1000
500

1500
1000
500

750
500
250

750
500
250

750
500
250

750
500
250

600
400
200

600
400
200

450
300
150

400
200
100

400
200
100

350
200
100

350
200
100

Operation moment (Nm)
6.5
6.5
10
10
14.5
14.5
14.5
14.5
27
27
27
60
60
60
110

Weight(kg)   3 poles

                        4 poles

1

1.5
1

1.5
2

2.5
2

2.5
3.5

4
3.5

4
4

4.5
4

4.5
10.5

13
10.5

13
16

20
31

40
31

40
42

49
90

102

Outline and Installation Size
Type Specification
Dimension of Bottom Board
DGL-125¡«630A
I
M
Z
W
Q
125A
55
5.5
85
190
218
160A
55
5.5
85
190
218
200A
55
5.5
85
190
218
250A
55
5.5
85
190
218
315A
60
6.5
130
240
270
400A
60
6.5
130
240
270
500A
60
6.5
130
240
270
630A
60
6.5
130
240
270
 
Type Specification
External Dimension and Installation Dimension
DGL-125¡«630A
A
B
C
D
D1
E
¦ÕL
J
J1
K
N
P
R
S
T
U
¦ÕX
Y
F
H
125A/3
140
135
125
27
92
73
5.5
120
120
65
85
36
20
25
3.5
115
9
25
59
10
125A/4
170
135
125
27
92
73
5.5
150
150
65
85
36
20
25
3.5
115
9
25
59
10
160A/3
140
135
125
27
92
73
5.5
120
120
65
85
36
20
25
3.5
115
9
25
59
10
160A/4
170
135
125
27
92
73
5.5
150
150
65
85
36
20
25
3.5
115
9
25
59
10
200A/3
180
170
138
35
98
86
5.5
160
160
90
115
50
25
30
3.5
140
11
25
76
15
200A/4
230
170
138
35
98
86
5.5
210
210
90
115
50
25
30
3.5
140
11
25
76
15
250A/3
180
170
138
35
98
86
5.5
160
160
90
115
50
25
30
3.5
140
11
25
76
15
250A/4
230
170
138
35
98
86
5.5
210
210
90
115
50
25
30
3.5
140
11
25
76
15
315A/3
230
240
165
50
135
110
7
210
210
140
145
65
32
40
5
206
11
37
94
20
315A/4
290
240
165
50
135
110
7
275
275
140
145
65
32
40
5
206
11
37
94
20
400A/3
230
240
165
50
135
110
7
210
210
140
145
65
32
40
5
206
11
37
94
20
400A/4
290
240
165
50
135
110
7
275
275
140
145
65
32
40
5
206
11
37
94
20
500A/3
230
260
165
50
135
110
7
210
210
140
145
65
40
50
6
220
13
37
94
20
500A/4
290
260
165
50
135
110
7
275
275
140
145
65
40
50
6
220
13
37
94
20
630A/3
230
260
165
50
135
110
7
210
210
140
145
65
40
50
6
220
13
37
94
20
630A/4
290
260
165
50
135
110
7
275
275
140
145
65
40
50
6
220
13
37
94
20