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Kraus & Naimer

Safety switch/ Load disconnector KG encased

MAIN SWITCH KG41 T103/S-A311 CL1
Article number: 
3134428
Suppl. article no: 
70030798





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Can be used as: load disconnect switches, circuit breakers, master switches, disconnect switches, maintenance switches and working switches.
The series in available in the following designs:
3-pole with one closing and one breaking auxiliary contact 25 A - 100 A
6-pole with one closing and one breaking auxiliary contact 25 A - 100 A
Enclosed design IP66/IP67 (CL)
Panel mounting (E)
Bottom mounting (VE)

Every switch contains a lockable knob, an extra yellow frame for the knob when used as a circuit breaker and a yellow label that indicates “circuit breaker". You simply replace the grey frame via a screw on the back of the knob. Frame heading “Circuit breaker" can be purchased separately.
Plate heading 3134456 fits 64 mm front and 3134457 fits 88 m front.

The switches satisfy SS-EN 60947-3.
  • Article number: 
    3134428
  • Suppl. article no: 
    70030798
  • Ean no: 
    9004257202140
  • Material class 
    QO221B
Technical data
  • Type: KG41 T103/S-A311 CL11V
  • Design: Sealed
  • Rated permanent current Iu: 40 A
  • Number of poles: 3
  • Max. rated operation voltage Ue AC: 690 V
  • Version as main switch: Yes
  • Version as maintenance-/service switch: Yes
  • Version as safety switch: Yes
  • Rated operation power at AC-23, 400 V: 15 kW
  • Number of auxiliary contacts as normally open contact: 1
  • Number of auxiliary contacts as normally closed contact: 1
  • Device construction: Complete device in housing
  • Type of electrical connection of main circuit: Screw connection
  • Interlockable: Yes
  • Suitable for front mounting 4-hole: No
  • Suitable for front mounting centre: No
  • Suitable for floor mounting: No
  • Degree of protection (IP), front side: IP65/IP67
  • Type of control element: Wing knob
  • Conditioned rated short-circuit current Iq: 15 kA
  • Width: 52.0 mm
  • Height: 45 mm
  • Depth: 56.5 mm