- #SIEMENS GENERATOR INTERLOCK KITS INSTALL#
- #SIEMENS GENERATOR INTERLOCK KITS GENERATOR#
- #SIEMENS GENERATOR INTERLOCK KITS PORTABLE#
- #SIEMENS GENERATOR INTERLOCK KITS CODE#
#SIEMENS GENERATOR INTERLOCK KITS GENERATOR#
Like a transfer switch, an interlock kit lets the generator energize the panel and all of its circuits (up to the load capacity of the generator) not just corded appliances.A short cord connects the generator to the house inlet, usually through a twistlock plug and socket. The generator backfeed circuit breaker is connected to a generator inlet installed (preferably) on the outside of the structure. Conversely, when the generator backfeed circuit breaker is turned on, the main circuit breaker is blocked and will remain off. When the main breaker is turned on, the plate or pivot arm blocks the generator backfeed circuit breaker and allows the main breaker to remain on.
#SIEMENS GENERATOR INTERLOCK KITS INSTALL#
Įarly generator interlock kits consisted of two sliding steel or plastic (depending on the brand) plates held together by three bolts and installed on the front cover of the home's breaker panel, however, some models made by Eaton (formerly Cutler-Hammer) and Siemens for panels manufactured by them install on the adjacent circuit breakers themselves and consist of a sliding arm for breakers installed back-to-back or a pivoting arm for breakers that are installed side-by-side or one above the other, these arrangements remain on the breakers even if the panel cover is removed as opposed to the mechanisms installed on the panel covers. Backfeeding the external mains is unsafe and illegal, because it can potentially electrocute lineworkers, start fires, and overload or damage the generator. The generator feeds the home by backfeeding the panel, but the panel cannot backfeed the external mains. In generator mode, the backfeed breaker is on, accepting power from the generator into the panel, and the main breaker is off, isolating the external mains. Backfeeding the generator should never be done, because it serves no purpose and risks damaging the generator. The external mains feeds the panel, but the panel cannot backfeed the generator. Under normal conditions, the main breaker is on, accepting power from the external mains into the panel, and the backfeed breaker is off, isolating the generator. The interlocked load breaker is repurposed as the "backfeed" breaker, and a generator is connected to it (wired directly or through a power inlet). The kit achieves the same function by adding an external interlock onto an existing breaker panel that allows the main breaker to be turned on or one designated load breaker to be turned on, but not both at the same time. It is a less-expensive alternative to purchasing and installing a dedicated transfer switch.
#SIEMENS GENERATOR INTERLOCK KITS PORTABLE#
( January 2013)Ī generator interlock kit (or just interlock kit) is a device designed to allow safe powering of a home by a portable generator during a power outage.
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#SIEMENS GENERATOR INTERLOCK KITS CODE#
It does meet the requirements of Article 702 of the National Electrical Code ANSI/NFPA 70.This article is an orphan, as no other articles link to it.
You will also need: A generator with a 240 volt outlet A double breaker located at the top of the left side breaker column of your electrical panel box An inlet box and wiring connected to that double breaker Using this interlock will allow you to power your existing house wiring with your generator (within its wattage limits), including 220v circuits such as a well pump. Or the main breaker to be turned on if the generator breaker is off. This interlock will only allow the generator breaker to be switched on if the main breaker is off. M-2 Generator Interlock Kit this kit fits brands: Murray, Siemens, Crouse Hinds type of circuit breaker panel: hump main breaker with horizontal throw, on is to the left, at the top of the right side breaker column panel spaces used: 2 at the top of the left side breaker column National Electrical Code requires a system in place that prevents an emergency generator from feeding back into the utility line. Item: 172249145591 Hump Breaker Generator Interlock M-2 - Fits Murray Siemens Crouse Hinds Panels.
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