SWITCH-DISCONNECTOR - MSS 250 - 3P 250A 400V
Code:
GW97729
Range: 97 MSS Range
Rotary switch disconnectors
The MSS rotary control switch disconnectors guarantee robustness and reliability in the control and isolation of circuits up to 630 A.
The range consists of four different sizes depending on the current with high performance both in alternating current and in direct current.
The range consists of four different sizes depending on the current with high performance both in alternating current and in direct current.
Technical Info
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Description
Rotary switch disconnector
Code
MSS 250
No. of poles
3P
Rated current
250 A
ELECTRICAL CHARACTERISTICS
-
MECHANICAL CHARACTERISTICS
-
Standard
EN 60947-3
Mechanical life
10.000 cycles
AC Rated operational voltage (Ue)
400V
Maximum number of auxiliary contacts that can be installed
1
DC Rated operational voltage (Ue)
220 V
Minimum cable size
95 mm²
AC Maximum operational voltage (Ue max)
690 V
Maximum cable size (rigid/flexible)
150 / 70 mm²
DC Maximum operational voltage (Ue max)
500V
Maximum busbar width
32 mm
Rated insulation voltage (Ui)
800 V
Rated tightening torque
20 Nm
Rated impulse withstand voltage (Uimp)
8 kV
Pre-arrangment for lock in OFF position
Yes (ø8 mm max)
Rated short-time withstand current for 1s (Icw)
9 kA
Height
108 mm
Rated short-circuit current making capacity (Icm)
30 kA
Width (mm)
180
Conditional short-circuit current with fuse (Icc)
50 kA (gG 250A)
Depth
75 mm
Power dissipation per pole
5,8 W
Weight (kg)
1.6
AC RATED OPERATIONAL CURRENT (Ie)
-
DC RATED OPERATIONAL CURRENT (Ie)
-
AC-20A / AC-20B (690V AC)
250 A / 250 A
DC-20A / DC-20B (220V DC)
250 A / 250 A
AC-21A / AC-21B (400V AC)
250 A / 250 A
DC-20A / DC-20B (400V DC)
250 A / 250 A
AC-21A / AC-21B (500V AC)
250 A / 250 A
DC-20A / DC-20B (440V DC)
-
AC-21A / AC-21B (690V AC)
250 A / 250 A
DC-20A / DC-20B (500V DC)
250 A / 250 A
AC-22A / AC-22B (400V AC)
250 A / 250 A
DC-21A / DC-21B (220V DC)
250 A / 250 A
AC-22A / AC-22B (500V AC)
250 A / 250 A
DC-21A / DC-21B (400V DC)
200 A / 200 A (2 poles in series for “+” and 1 pole for “-“)
AC-22A / AC-22B (690V AC)
125 A / 160 A
DC-21A / DC-21B (440V DC)
-
AC-23A / AC-23B (400V AC)
250 A / 250 A
DC-21A / DC-21B (500V DC)
200 A / 200 A (2 poles in series for “+” and 1 pole for “-“)
AC-23A / AC-23B (500V AC)
250 A / 250 A
DC-22A / DC-22B (220V DC)
250 A / 250 A
AC-23A / AC-23B (690V AC)
100 A / 125 A
DC-22A / DC-22B (400V DC)
200 A / 200 A (2 poles in series for “+” and 1 pole for “-“)
-
-
DC-22A / DC-22B (440V DC)
-
-
-
DC-22A / DC-22B (500V DC)
-
-
-
DC-23A / DC-23B (220V DC)
200 A / 200 A
-
-
DC-23A / DC-23B (400V DC)
-
-
-
DC-23A / DC-23B (440V DC)
-
-
-
DC-23A / DC-23B (500V DC)
-
Ware Number
85365080
EQUIPMENT AND NOTES
NOTE: mounting on plate.
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