Professional Design Miniature circuit breaker-FTM9-100 for Belgium Importers


Technical data

Product illustration

Tripping characteristic

Exterior and dimensions

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Model: FTM9-100
Pole: 1P,2P,3P,4P
Rated current (A): 63,80,100
Rated frequency: 50
Rated voltage (V) 230,400
Breaking Capacity: 10
Rated impulse withstand voltage Uimp(KV): 4
Operating cycle times: /hour 120
Power on 4000
Power off 10000
Conventional non-tripping current t≤1h(In=63A) t≤2h(In>63A)
Conventionaltripping current: 1.45In t<1h(In=63A) t<2h(In>63A)
2.55In 1s<t<120s
Instantaneous tripping type: D
Instantaneous non-tripping current: t≤0.1s 10In
Instantaneous tripping current: t<0.1s 20In
Connection Wire ㎜²: Min/Max 16/50
Size(L×W×H) 1P 72×27×85
2P 77×54×85
3P 77×81×85
4P 77×108×85

FA-350B , Siemens Allis FA-350B Circuit Breaker 3000 amp Class A Reconditioned by our team in our “Super Shop”
350 MVA
3000 AMP

These are very rare circuit breakers with very little parts available. Our customer trusted our team to completely tear these down to the smallest part and rebuild back up. Their FA-350B circuit breakers have been extremely reliable since day one but it was time to do a rebuild. We are very fortunate to have a wonderful team and a great reputation here at Family owned and operated NAS. Our customer knows that once these are finished they will have the FA-350 circuit breakers back into service for years to come.

“They don’t build them like they used to” and our customer is very aware of that. First off, if they were to replace these circuit breakers it would cost them hundreds of thousands of dollars. Our North American Switchgear Class A Recondition cost saved them so much money and time. They know how reliable these circuit breakers are and did not even consider replacing them with new.

If you are looking to have your Siemens Allis FA-350B circuit breakers Class A reconditioned please consider our Family on your next request for quote.
800-909-3660 toll free 216-402-0507 24/7

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Siemens FA-350B
Siemens-Allis FA-350B
Siemens Allis FA-350B
Siemens FA-350
Siemens Allis FA-350

This video shows you how to locate and replace the fuse inside a fan. In some fans, the fuse is hidden inside one of the short fiberglass sleeves (gold color bundle in the picture) that cover the connections between the motor windings and the control wires. There is only one fuse but you will need to move cut the string and gently slide each sleeve until you find the small (grain of rice size) fuse. . What follows is informative feedback from a viewer with precise terminology for the circuit elements of interest.
Joshua Prince commented on a video on YouTube.
Shared publicly – 5:55 AM

Actually, clarification. The black square component you refer to at the start is not quite a fuse, as it wont trip off from over current. There really exists no fuse component in AC powered devices, but instead, are circuit breaker switches. Fuses are more common in DC devices. Not all devices, but some will have breakers, or also known as OVP switches (over voltage protection).

How can u tell if thermal switch??? From the way its placed. If you notice see how its tied against the coil directly?? Thats for a reason. Its a thermal safety relay/switch. It gets tripped off when the coil gets extreme hot, to prevent the coil catching on fire.. And usually the thermal switch has been set off, breaking the circuit and coils get no power. Direct contact, and heat transfers inductively. Now it has to be replaced with same rated replacement. Brand makes no differenc3. Just rating. And then fan bearings both front and rear bearings need lube, and if excess dust, cleaning. Which usually is why heated up firstly. Dust and worn dry bearings bottleneck the coils.

Once again to clarify its a thermal switch, not a fuse, or as i mentioned circuit breaker, which usually can be found on outdoor use AC current powered devices, such as air compressors, heat lamps, higher wattage lighting systems. So little black square component is an thermal switch. Usually rated around 115-120°f on 110-115v AC. Its the same in sense of an OVP Circuit breaker switch, where if the current exceeds the max rating allowed, it will trip it to the off position. In this case, if the coils on the stater gets too hot, or reaches max allowed.

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