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Siemens Interlock Kits

These Interlock kits are designed specifically to work with Siemens electrical panels. Each kit functions like a manual transfer switch, allowing you to safely and easily connect your portable generator to your home’s electrical panel. These kits are not only economical, but are easier to install than traditional transfer switches; as a result, professional installation costs are minimized.

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Siemens / ITE / Murray Kit K-1010 Siemens / ITE / Murray Kit K-1011 (125 Amp & Below) Siemens / ITE / Murray Kit K-1210
This Kit performs like a manual transfer switch for electrical panels; requires:

  • Vertical (up-down) throws
  • Four-pole breakers
  • Centered over both breaker columns
  • Distance from columns: 1¼"
Space between breaker columns: ½"; two panel spaces required for this kit.
Kit Installation Instructions
This Interlock Kit mounts to Siemens, ITE, and Murray electrical panels and requires:

  • Vertical (up-down) throws
  • Two-pole breakers
  • Centered over both breaker columns
  • Distance from columns: 1¼" (above)
Space between breaker columns: ½"; two panel spaces required for this kit.

Kit Installation Instructions
This Kit performs like a manual transfer switch for electrical panels; requires:

  • Horizontal (left-right) throw
  • One-handle breaker
  • Centered over right breaker column
Space between breaker columns: ½"; three panel spaces required for this kit.

Kit Installation Instructions
Siemens / ITE / Murray Kit K-1215 Siemens / ITE / Murray / Square D / Cutler Hammer Kit K-1315 - Meter/Main Combo Siemens / ITE / Murray Kit K-1410
This Interlock Kit mounts to Siemens panels and requires the following:

  • Horizontal (left-right) throw
  • One-handle breaker
  • Centered over left breaker column
  • Distance from columns: 0"
Space between breaker columns: ½"; three panel spaces required for this kit.

Kit Installation Instructions
This Kit performs like a manual transfer switch for Siemens, ITE, Murray, Cutler Hammer, and Square D electrical panels; requires:

  • Horizontal (left-right) throw
  • Four-pole breakers
  • Sits in middle of breaker column
  • Distance from columns: 0"
Two panel spaces required for this kit.

Kit Installation Instructions
This Interlock Kit mounts to Siemens, ITE, and Murray electrical panels and requires:

  • Horizontal (left-right) throw
  • One-handle breaker
  • Centered over left breaker column
  • Distance from columns: 0"
Space between breaker columns: ½"; two panel spaces required for this kit.

Kit Installation Instructions
Siemens / ITE / Murray Kit K-1510 (100 Amp Main) Siemens / ITE / Murray Kit K-4010 Siemens / GE / Square D / Cutler Hammer / Westinghouse / Thomas & Betts / Challenger / Crouse-Hinds Feed Through Panel Kit K-9010 - 125 Amp & Down
This Kit performs like a manual transfer switch for electrical panels; requires:

  • Horizontal (left-right) throw
  • Two-pole breakers
  • Centered over both breaker columns
  • Distance from columns: 1¼" (above)

Space between breaker columns: ½"; two panel spaces required for this kit.


Kit Installation Instructions
This Interlock Kit mounts to Siemens, ITE, and Murray electrical panels and requires:

  • Horizontal (left-right) throw
  • One-handle breaker
  • Offset 7/8" left of center of both breaker columns
  • Distance from columns: 1¼" (above)
Space between breaker columns: ½"; two panel spaces required for this kit.
This Kit mounts to Siemens, GE, Square D, Cutler Hammer, Thomas & Betts, Challenger, Crouse-Hinds, and Westinghouse electrical panels; requires:

  • Horizontal (left-right) throw
  • Two two-pole breakers
  • Works in all four corners
Main: two-pole; generator: two-pole. Fits any feed-through panel with two double-pole 1" breakers.

Kit Installation Instructions
Siemens / ITE / Murray Kit K-4110
This Interlock Kit mounts to Siemens, ITE, and Murray electrical panels and requires:

  • Vertical (up-down) throws
  • Two-pole breakers
  • Centered over both breaker columns
Space between breaker columns: ½"; two panel spaces required for this kit.