MSX
2
Technical Information
Version 2.0
For technical information contact the Technical Assistance Service or visit gewiss.com
TYPE
MSX 160c
MSX 250c
MSX 125
MSX 160 - MSX 250 MSXE 160 - MSXE 250
Standard
IEC EN 60947-2
IEC EN 60947-2
IEC EN 60947-2
IEC EN 60947-2
IEC EN 60947-2
Rated current (In)
(A)
25, 40, 63, 80, 100,
125, 160
160, 250
20, 32, 50, 63, 100, 125
125, 160, 250
40, 125, 160, 250
Utilization category
A
A
A
A
A
Number of poles
3.3+N
3.3+N
3.4
3.3+N,4
3.3+N,4
Rated frequency
(Hz)
50/60
50/60
50/60
50/60
50/60
Rated operating voltage (Ui)
(V)
525 AC - 250 DC
525 AC - 250 DC
690 AC - 250 DC
690 AC - 250 DC
690 AC
Rated impulse withstand voltage (Uimp)
(kV)
8
8
8
8
8
Overvoltage category
IV
IV
IV
IV
IV
Rated insulation voltage (Ui)
(V)
690
800
800
800
800
Rated breaking capacity (Icu)
Alternating current
220/240V
(kA)
25
35
25
35
50
85
65
85
65
85
400/415V
(kA)
16
25
16
25
36
65
36
65
36
65
440V
(kA)
10
15
10
15
25
50
25
50
25
50
525V
(kA)
6
7.5
6
7.5
22
25
25
25
25
25
690V
(kA)
-
-
-
-
6
6
7.5
7.5
7.5
7.5
Direct current
250V
(kA)
13
20
13
15
25
40
40
40
-
-
Service breaking capacity (Ics)
Alternating current
220/240V
(kA)
13
18
13
27
50
85
65
85
65
85
400/415V
(kA)
8
13
8
19
36/30
36/33
36
36
36
36
440V
(kA)
5
7.5
5
12
25
25
25
25
25
25
525V
(kA)
3
4
3
6
22
22
25
25
25
25
690V
(kA)
-
-
-
-
6
6
7.5
7.5
7.5
7.5
Direct current
250V
(kA)
7
10
7
12
19
40
40
40
-
-
Type of protection
Adjustable thermal
Fixed magnetic
Adjustable thermal
Fixed magnetic
Adjustable thermal
Adjustable magnetic
Adjustable thermal
Adjustable magnetic
Electronic LSI
Versions
Fixed
Fixed
Fixed
Plug-in
Fixed
Plug-in
Fixed
Plug-in
1
Mounting on DIN rail by means of the accessory
yes
yes
yes
yes
no
Mounting position
any
any
any
any
any
Upline/downline power supply
yes
yes
yes
yes
yes
Terminals
Front for cables (FW)
• (20A÷100A)
-
•
-
-
Front (FC)
• (125-160A)
•
•
•
•
Front extended (FB)
• (63÷160A)
•
•
•
•
Front extended spread terminals (FB)
• (63÷160A)
•
-
-
-
Rear (RC)
• (63÷160A)
•
•
•
•
Electrical life (415 V AC)
(No. cycles)
14,000 (≤125A)
10,000 (160 A)
6,000
30,000
20,000 (MSX 160)
10,000 (MSX 250)
10,000
Mechanical life
(No. cycles)
20,000
18,000
30,000
30,000
30,000
Can be equipped with motor operator
no
yes
yes
yes
yes
Interlock type
-
Lever / Cable
Lever / Cable
Lever / Cable
Lever / Cable
Operating temperature
(°C)
-5 +65
-5 +65
-5 +65
-5 +65
-5 +65
Reference temperature
(°C)
50
50
50
50
40
Storage temperature
(°C)
-20 +60
-20 +60
-20 +60
-20 +60
-20 +60
Relative humidity
45%÷85%
45%÷85%
45%÷85%
45%÷85%
45%÷85%
Dimensions
Width (3P / 4P)
(mm)
75 / 100
105 / 140
90 / 120
105 / 140
105 / 140
Height
(mm)
130
165
155
165
165
Depth
(mm)
68
68
68
68
103
Weight (3P / 4P)
(kg)
0.8 / 1
1.5 / 1.9
1.1 / 1.4
1.5 / 1.9
2.3 / 3.1
Key:
•supplied as standard
• optional
-not available
1
max 225A
2
max 536a
MSX moulded case circuit breaker
Technical data
