1.The generator lock is made of aluminum alloy with anodized surface, which is corrosion resistant and highly rigid. As a result, this generator main circuit breaker interlock switch has better insulation and thermal insulation. 2.Compatible Models：The generator breaker interlock kit compatible with Siemens/ Murray 150 or 200 amp panels. Spacing between main and branch circuit breakers is 7/8 to 1/4 inch. You will need to make sure the model number and spacing are correct before purchasing. 3.Installation Tips：For your safety, this safety manual locking transfer switch is recommended by a licensed professional. Amateurs should never open the distribution box. All related equipment should be installed and maintained by qualified personnel. 4.Applicable Sc.
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