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Blog posts tagged with 'FPE'

News from NPE's Product Improvement Center: FPE DST-2 Open/Close Indicator Assembly


OEM #: 118948/2


Today, we are spotlighting the Federal Pacific DST-2 Medium Voltage Open/Close Indicator Assembly, also known as the "smiley face indicator" for obvious reasons. This fragile, plastic indicator often cracks or shatters through the normal opening and closing of the breaker, increasing downtime and maintenance costs.

Our replacement part is handmade in our custom plastics lab with modern materials and it is fiber reinforced







This part is often sold with our DST-2 Close/Trip Knob which features a solid plastic knob rather than the hollow one that is originally supplied with the breaker




The two above products are considered to be "one and done" solutions, increasing reliablilty and decreasing downtime and maintenance costs.

These parts can ordered online or through your normal purchasing channels. They are available from stock in limited quantities or with short lead times on larger orders.

Just another example of how NPE supplies "The right part, at the right price, right now!"

Part number used to reference original OEM's for identification purposes only. They are not manufactured, endorsed or warrantied by OEM.

Old FPE and Westinghouse Parts Compatibility

One of the more interesting aspects of our market is the history of the equipment and how it has changed over the years. While most of those changes were technological, some revolved around the people behind the scenes. One in particular that comes to mind, was a group of design engineers that had left the Westinghouse Corporation and went to Federal Pacific Equipment. While the story has certainly has been passed from mouth to mouth over the years, it does have some evidence to back it up. As told to me it goes like this:


Back in the era of the Westinghouse DB 25 single position circuit breaker, a group of design engineers left the old bar W and went over to FPE. With their designs fresh in their heads, they used much of it to design the old FPE DMB circuit breaker product line. The similarities between the two are obvious. Westinghouse manufactured the DB 25 and the DB 50, etc. FPE’s new product line was called the DMB 25 and the DMB 50, etc. Both of these manufacturers used similar technology and materials for their parts, for example, pole base insulators and arc chutes but the similarities continued to the point that some of the parts are physically interchangeable! In particular, parts like secondary disconnects, control relays, shunt trips and a few others.





    Westinghouse vs. FPE Shunt Trip                                                         Westinghouse vs. FPE Secondary


               If you happen to have this FPE switchgear in your facility and you are having a difficult time locating the parts to maintain it, give us a call at 800-647-0815 or send us an email to  and we will show you parts that are much more common to the market (and less expensive) and how they can be used to keep your equipment up and running for many more years of reliable service.


As we say at NPE- that’s what we’re here for!