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All Russelectric 4 pole Open Transition ATSs have a fully rated -break before make- switched neutral, identical in every way to the main power poles and.

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Presentation on theme: "All Russelectric 4 pole Open Transition ATSs have a fully rated -break before make- switched neutral, identical in every way to the main power poles and."— Presentation transcript:

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2 All Russelectric 4 pole Open Transition ATSs have a fully rated -break before make- switched neutral, identical in every way to the main power poles and integrally designed into the switching mechanism.

3 Transfer Contacts Russelectric 2000 ampere rated movable finger contact Assembly Machined from Extruded Copper and Silver Plated A Critical Component:

4 Superior Mechanical Design, Most Rugged Construction… 800 Ampere ATS Contact with Arc Chute Assembly 800 Ampere ATS Contact with Arc Chute Assembly Tungsten on every arcing tip Machined from solid copper bar …Then Silver Plated

5 Contact Parts Precision Machined from 100% Extruded Copper Bar Stock. Not Cast/Forged or Stamped.

6 brazed 1. Each and every segment gets a tungsten element brazed to it, by hand. Tungsten protects the copper from high heat during arching and dramatically extends the life time of the part.

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9 … Hand Assembled…

10 After machining and brazing all contact segments –movable and stationary- are silver plated before assembly. Russelectric 100a stationary & movable contact. (Golf ball shown for size reference).

11 Over Center Spring Mechanism Initial Point of Contact In an over center, (spring loaded design). The mechanisms which drive the contacts utilize a spring assisted motor operated concept. This design provides for a quick-break, quick-make operation, with full arc interruption, under maximum voltage and amperage. Unlike other manufacturers, the contact speed and closing pressure is not reliant on the speed of the motivator (i.e. Motor or Solenoid). With this design, life span, safety, reliability is dramatically increased and the unit may be safely transferred manually, under load. Transfer Switch Contacts (Design Concept)

12 Close-up of a Russelectric connecting assembly to connect the movable contacts to the actuator shaft. With this design, nothing can become misaligned, loose or misadjusted. Machined phenolic insulated separator. Solid steel shaft, powder coated. Hardened steel, engineered, purpose machined parts for crucial reliability. Lets look closer at the phenolic separator.

13 Phenolic separator.

14 Machined Phenolic Machined Bullet Spline Machined in-house

15 Hydraulically pressed

16 After pressing

17 Further machining

18 After machining and sealant applied

19 Mounted to Actuator Shaft

20 4pole Actuator Shafts in fabrication ( amp)

21 3pole Actuator Shafts in fabrication ( amp) Precision machined from solid steel, many welds. Ground smooth.

22 4pole Actuator Shaft completed ( amp)

23 Actuator Shaft (Normal Source) & Contacts Assembled (Insulating Barriers omitted for clarity)

24 Russelectric 4pole Normal Source contact assembly with arc chutes added (Fiberglass Insulating barriers still omitted).

25 Russelectric 4pole Normal Source contact assembly with arc chutes added &Fiberglass Insulating barriers added.

26 Russelectric switches are welded in areas where others use fasteners… They are machined from hardened steel where others use stamped aluminum, cast white metal or even plastic, instead of machining from solid steel. Over Center Spring Mechanism Machining & Welding

27 Russelectric bypass section shown with cover removed. All rod and cams machined, all tension points welded, aircraft ball joints are used to prevent binding.

28 Close up of Russelectrics unique over center mechanism and mechanical linkages.

29 Russelectric Bypass & Isolate handles going through the Welding Dept.

30 Russelectric Enclosures, Cubicles, Cabinets and Metalwork...

31 All Cabinetry is MIG Welded by Hand for Strength. Steel for Doors, Mounting, Side Sheets and Top and Bottom is a Minimum of 12 Gauge All Cabinetry is MIG Welded by Hand for Strength. Steel for Doors, Mounting, Side Sheets and Top and Bottom is a Minimum of 12 Gauge All Metal Fabrication Performed in House. All welds on enclosures are MIG welded and ground smooth.

32 All Russelectric enclosures meet or exceed NEMA standards. All Russelectric enclosures meet or exceed NEMA standards. There are no spot welds in Russelectrics metalwork. All corners and seams are hand welded and ground smooth. All corners and seams are hand welded and ground smooth.

33 Polyester color powder coating in-house

34 Russelectric Fabricates its Bus Bar from Solid Raw Copper Stock Copper stock being cut to size

35 After Cutting, Punching & Bending, Bus is Silver Plated in-house.

36 Review

37 Plating after cutting, bending & punching insures 100% insures 100% plating integrity.

38 … Uncompromising Design & Workmanship…

39 Unmatched Quality of Bus Work


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