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.

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

Transfer ContactsTransfer Contacts

RusselectricRusselectric2000 ampere2000 ampererated movablerated movablefinger contactfinger contactAssembly MachinedAssembly Machinedfrom Extruded Copperfrom Extruded Copperand Silver Platedand Silver Plated

A Critical Component:A Critical Component:

Superior Mechanical Design, Superior Mechanical Design, Most Rugged Construction…Most Rugged Construction…

800 Ampere ATS Contact with Arc Chute 800 Ampere ATS Contact with Arc Chute AssemblyAssembly

Tungsten on every arcing tipTungsten on every arcing tip

Machined from solid copper Machined from solid copper barbar

……Then Silver PlatedThen Silver Plated

Contact Parts Precision Machined from 100% Extruded Copper Bar Stock.

Not Cast/Forged or Stamped.

1. Each and every segment gets a tungsten element brazedbrazed to it, by hand.

Tungsten protects the copper from high heat during arching and dramatically extends the life time of the part.

… … Hand Assembled…Hand Assembled…

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).

Over CenterOver Center

Spring MechanismSpring Mechanism Initial Point of ContactInitial Point of Contact

In an “over center,” (spring loaded design). The mechanisms In an “over center,” (spring loaded design). The mechanisms which drive the contacts utilize a spring assisted motor operated which drive the contacts utilize a spring assisted motor operated concept. This design provides for a “quick-break, quick-make” concept. This design provides for a “quick-break, quick-make” operation, with full arc interruption, under maximum voltage and operation, with full arc interruption, under maximum voltage and amperage. amperage.

Unlike other manufacturers, the contact speed and closing Unlike other manufacturers, the contact speed and closing pressure is not reliant on the speed of the motivator (i.e. Motor or pressure is not reliant on the speed of the motivator (i.e. Motor or Solenoid). With this design, life span, safety, reliability is Solenoid). With this design, life span, safety, reliability is dramatically increased and the unit may be safely transferred dramatically increased and the unit may be safely transferred manually, under load.manually, under load.

Transfer Switch ContactsTransfer Switch Contacts(Design Concept)(Design Concept)

Close-up of a Russelectric connecting assembly to Close-up of a Russelectric connecting assembly to connect the movable contacts to the actuator connect the movable contacts to the actuator shaft. With this design, nothing can become shaft. With this design, nothing can become misaligned, loose or misadjusted.misaligned, loose or misadjusted.

Machined phenolic Machined phenolic insulatedinsulatedseparator.separator.

Solid steel shaft, powder Solid steel shaft, powder coated.coated.

Hardened steel, Hardened steel, engineered, purpose engineered, purpose machined parts for machined parts for crucial reliability.crucial reliability.

Lets look closer at Lets look closer at the phenolic the phenolic separator.separator.

Phenolic separator.Phenolic separator.

Machined Machined PhenolicPhenolic

Machined Bullet Machined Bullet SplineSpline

Machined in-Machined in-househouse

Hydraulically Hydraulically pressedpressed

After After pressingpressing

Further Further machiningmachining

After After machining machining and sealant and sealant appliedapplied

Mounted to Actuator Mounted to Actuator ShaftShaft

4pole Actuator Shafts 4pole Actuator Shafts in fabrication (100-in fabrication (100-800amp)800amp)

3pole Actuator Shafts in 3pole Actuator Shafts in fabrication (1000-fabrication (1000-2500amp)2500amp)

Precision machined from Precision machined from solid steel, many welds. solid steel, many welds. Ground smooth.Ground smooth.

4pole Actuator Shaft 4pole Actuator Shaft completed (100-completed (100-800amp)800amp)

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

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

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

Russelectric switches are Russelectric switches are welded in areas where welded in areas where others use fasteners… others use fasteners… They are machined from They are machined from hardened steel where hardened steel where others use stamped others use stamped aluminum, cast white aluminum, cast white metal or even plastic, metal or even plastic, instead of machining from instead of machining from solid steel.solid steel.

Over CenterOver Center

Spring MechanismSpring Mechanism

Machining & Machining & WeldingWelding

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

Close up of Close up of Russelectric’sRusselectric’sunique “over center” unique “over center” mechanism and mechanism and mechanical linkages.mechanical linkages.

Russelectric Russelectric Bypass & Bypass &

Isolate handles Isolate handles going through going through the Welding the Welding

Dept.Dept.

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

• All Cabinetry is MIG Welded by Hand for Strength. Steel for Doors, Mounting, Side Sheets and Top and Bottom is a 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 Minimum of 12 Gauge

All Metal Fabrication Performed in House.All Metal Fabrication Performed in House.

AllAll welds on enclosures are MIG welded and ground smooth. welds on enclosures are MIG welded and ground smooth.

AllAll Russelectric Russelectric enclosures meet or enclosures meet or exceed NEMA exceed NEMA standards.standards.

There are no “spot” weldsin Russelectric’s

metalwork.

All corners and seams All corners and seams are hand welded and are hand welded and ground smooth.ground smooth.

Polyester color powder coating in-housePolyester color powder coating in-house

Russelectric Fabricates its Bus Bar from Solid Raw Copper Russelectric Fabricates its Bus Bar from Solid Raw Copper StockStock

Copper stock Copper stock

being cut to being cut to sizesize

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

ReviewReview

Plating after cutting, Plating after cutting, bending & punching bending & punching

insures 100%insures 100%plating integrity.plating integrity.

… … Uncompromising Design & Workmanship…Uncompromising Design & Workmanship…

Unmatched Unmatched Quality ofQuality ofBus WorkBus Work