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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.

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

Product Data Sheet

Technical characteristics - EN

Technical characteristics - DE

Technical characteristics - IT

Technical characteristics - ES

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EQUIPMENT AND NOTES
NOTE: mounting on plate.
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